Page 3 - Table of Contents
Table of Contents Table of Contents i MN792 Section 1Quick Start 1-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Minimum Connection Requirements 1-1 . . . . . . . . . . . ....
Page 7 - Minimum Connection Requirements; Refer to Section 4 for cover removal procedure.; Power and Motor Connections; Figure 1-1 Power Connections; Phase; Reference and Jumpers for Keypad Operation; Figure 1-2 Reference and Jumper Connections; Parameter Settings (for Keypad Operation)
Section 1Quick Start Quick Start 1-1 MN792 The basic steps for connection and setup are provided in this section. Detailed descriptions of each step andparameter settings are provided later in this manual. Be sure to comply with all applicable codes when installingthis control. The Series 29 DC cont...
Page 8 - Reference and Jumpers for Remote Operation; Figure 1-3 Reference and Jumper Connections; Speed Feedback
1-2 Quick Start MN792 Reference and Jumpers for Remote Operation For remote operation, the speed reference and other connections are made at the terminal strip connector. Notall of these connections are shown in Figure 1-3. Figure 1-3 Reference and Jumper Connections Minimum jumper connections:A1 to...
Page 11 - General Information 2-1; Copyright Baldor; Overview
Section 2General Information General Information 2-1 MN792 Copyright Baldor 2002. All rights reserved. This manual is copyrighted and all rights are reserved. This document may not, in whole or in part, be copied orreproduced in any form without the prior written consent of Baldor.Baldor makes no ...
Page 12 - -2 General Information; Product Notice; PRECAUTIONS: Classifications of cautionary statements.
2-2 General Information MN792 Product Notice Intended use:These drives are intended for use in stationary ground based applications in industrial power installationsaccording to the standards EN60204 and VDE0160. They are designed for machine applications that requirevariable speed controlled three ...
Page 13 - General Information 2-3; Continued on next page.
General Information 2-3 MN792 PRECAUTIONS: WARNING: Do not touch any circuit board, power device or electrical connection before youfirst ensure that power has been disconnected and there is no high voltagepresent from this equipment or other equipment to which it is connected.Electrical shock can c...
Page 14 - -4 General Information; RMS Symmetrical Amperes
2-4 General Information MN792 Caution: To prevent equipment damage, be certain that the input power has correctly sized protectivedevices installed as well as a power disconnect. Caution: Avoid locating the control immediately above or beside heat generating equipment, ordirectly below water or stea...
Page 15 - Current Control; Figure 3-1 Speed Control; Control and Communications
Section 3Getting Started Getting Started 3-1 MN792 Control Overview Control Loops In very simple terms, control of the DC motor is maintained by Control Loops. An inner Current Loop and anouter Speed Loop are used. These control loops are shown in the Block Diagram of Appendix C. From thekeypad, you...
Page 16 - Local and Remote Modes; Figure 3-2 Local and Remote Modes
3-2 Getting Started MN792 Local and Remote Modes Determine what operating mode is best for your application. Four modes are possible, see Figure 3-2. Figure 3-2 Local and Remote Modes Analog & Digital Inputs and Outputs Remote:Terminal Strip Setting Remote:Serial Setting Remote:COMMS Setting Loc...
Page 17 - Figure 3-4 Digital Outputs; Table B-1 Parameters Listed by Tag Number; Continued; Select the next parameter and repeat step 3.
Getting Started 3-3 MN792 Source / Destination Tags The control is very flexible because of the programming capability. The software block diagram of the control isshown in Appendix C. Each logic block has inputs and outputs. These I/O points are called “Tags” becausethey have a tag number associate...
Page 18 - Setpoint Sum 1; Menu Levels; Action
3-4 Getting Started MN792 Programming Block A very important step to installing this control is to determine the configuration that will best implement your application. Each input and output of each block has an assigned tag number. Tags are connected in softwaremuch like jumper wires are used in h...
Page 21 - Operating Temperature derating. 0; Maximum ambient is 55; Table 4-1 Watts Loss Ratings; Output
Section 4Receiving and Installation Receiving & Installation 4-1 MN792 Receiving & Inspection Baldor Controls are thoroughly tested at the factory and carefully packaged for shipment. When you receiveyour control, there are several things you should do immediately. 1. Observe the condition o...
Page 23 - Cover Removal; Figure 4-3 Hinged Assembly; Hinge; Mechanical Installation; External Vent Kit
Receiving & Installation 4-3 MN792 Cover Removal Continued 3. The control and base are hinged and are opened as shown in Figure 4-3. Figure 4-3 Hinged Assembly Raise the control toexpose the base The knock–out panel is part of the baseassembly to allow connections to be made.Use the correct size...
Page 24 - Optional Remote Keypad Installation; (Enclosure rating of IP54 when correctly mounted). The keypad may be; Figure 4-4 Remote Keypad Installation; Mounting Instruction:; Accurately center punch the mounting holes.; Figure 4-5 Template; Bottom
4-4 Receiving & Installation MN792 Optional Remote Keypad Installation (Enclosure rating of IP54 when correctly mounted). The keypad may be remotely mounted using optional Baldor keypad extension cable.Tools Required: • Center punch, file and screwdrivers (Phillips and straight) and crescent wre...
Page 25 - Electrical Installation; System Grounding; Control; Volts; Power Disconnect; based on the use of copper conductor wire rated at 75
Receiving & Installation 4-5 MN792 Electrical Installation All interconnection wires between the control, AC power source, motor, host control and any operator interface stations should be in metal conduits. Use listed closed loop connectors that are of appropriate size forwire gauge being used....
Page 26 - Isolation Transformer Sizing; KVA; IDC; Table 4-2 Isolation Transformer KVA Selection; HP; Note: All wire sizes based on 75; Table 4-4 Protection Devices
4-6 Receiving & Installation MN792 Electrical Installation Continued Isolation Transformer Sizing Use the information in Table 4-2 to select the KVA rating of the transformer based on the HP rating of thecontrol. The secondary voltage will be the input voltage to the control and the impedance sh...
Page 27 - Figure 4-7 Size 1–5 Power Terminal Locations; Power Connections; Motor Ground; Earth from; Table 4-5 Power Connector Signals; Terminal
Receiving & Installation 4-7 MN792 Electrical Installation Continued Figure 4-7 Size 1–5 Power Terminal Locations Power Connections Motor Ground Earth from AC Main Supply Size 1 and 2 Size 3 A+ A– L1 L2 L3 Size 4 L1 L2 L3 A+ A- Field Connections Logic Supply, Contactor & Thermistor Connectio...
Page 28 - Figure 4-8 3 Phase Power Connections; Earth; Baldor Control; Figure 4-9 Size 1 & 2 Internal Logic Transformer Jumper Locations; Size 1 control; Logic Power
4-8 Receiving & Installation MN792 Electrical Installation Continued Power Connections Single phase operation of this control is not possible. Power connections are shown in Figure 4-8. (The location of these terminals is shown in Figure 4-9). Figure 4-8 3 Phase Power Connections L1 L2 L3 L1 L2 ...
Page 29 - Motor Connections; Figure 4-10 Motor Connections; Shunt Wound; Figure 4-11 External Field Connections; Reference EMC wiring in Appendix A for CE compliance.
Receiving & Installation 4-9 MN792 Electrical Installation Continued Motor Connections Motor connections are shown in Figure 4-10. (The location of these terminals is shown in Figure 4-9). Note: If your motor requires more than 85% of the line voltage as its DC input voltage, a step up transform...
Page 30 - External Field Terminal and Jumper Locations – Size 2; Figure 4-12 External Field Sensor Plug Jumper Settings; Terminal Board; Figure 4-13 External Field Connections; Power Board; Connect the red phase lead to connector “F19” located below D1.
4-10 Receiving & Installation MN792 Electrical Installation Continued External Field Terminal and Jumper Locations – Size 2 The position of the jumper selects the board to use either an internal or external motor field. Figure 4-12 External Field Sensor Plug Jumper Settings Jumper selecting exte...
Page 31 - External Field Terminal and Jumper Locations – Size 4 and 5; Figure 4-14 External Field Connections; y e llo; Figure 4-15 Optional M–Contactor Connections; M Enable
Receiving & Installation 4-11 MN792 Electrical Installation Continued External Field Terminal and Jumper Locations – Size 4 and 5 Relocating the Red and Yellow phase wires (as shown in Figure 4-14) allows terminals FL1 and FL2 to be usedas the external field AC supply connections. External fuse ...
Page 32 - Figure 4-16 M Contactor Operation Sequence; Run Time; Brake Set Time; Blower Motor Starter Optional; Size 1 and 2 controls only.; Installation
4-12 Receiving & Installation MN792 Electrical Installation Continued Figure 4-16 M Contactor Operation Sequence Turn-ON Run Time Turn-OFF M Contact Enable 20 msec. Motor Flux “Drive ON” Output Mech. Brake Release(If user installed) Speed/TorqueCommand 50 msec. Brake Set Time Blower Motor Starte...
Page 33 - Thermal Protection; Figure 4-17 Motor Temperature Relay; Note: Add appropriately rated protective; Encoder Installation; Table 4-6 Encoder Connection Descriptions; Description; Figure 4-18 Differential Encoder Connections
Receiving & Installation 4-13 MN792 Electrical Installation Continued Thermal Protection Terminals TB3 TH1 and TH2 are available for connection to a normally closed thermostat or overload relay in all operating modes as shown in Figure 4-17. The thermostat or overload relay should be a dry conta...
Page 34 - Tachometer Installation; Table 4-7 Tachometer Connection Descriptions; Figure 4-19 Tachometer Connections; Align the 10 pin connector to the 10 pin connector of the; Figure 4-20 Switch Settings; As shown, switches are set for 188VDC for a DC tach:
4-14 Receiving & Installation MN792 Electrical Installation Continued Tachometer Installation The tachometer expansion board can be used to connect either an AC Tach or a DC Tach to the control (only one may be used). Shielded wire must be used for tachometer connection. Table 4-7 defines thetac...
Page 35 - Control I/O Signal Connections; Analog Inputs; V common reference point for all analog signals.; Figure 4-21 Analog Inputs
Receiving & Installation 4-15 MN792 Control I/O Signal Connections All connections made to terminal blocks A, B and C must be isolated signal voltages. If in doubt a connection,contact Baldor. Only shielded, twisted pair cables should be use. Minimum wire size is 18AWG (0.75mm 2 ). All cables sh...
Page 36 - Analog Outputs; Figure 4-22 Analog Outputs; Digital Inputs; Coast Stop. When opened disables the drive output.
4-16 Receiving & Installation MN792 Control I/O Signal Connections Continued Analog Outputs Connector Terminal Signal Description A7, A8, A9 Three analog outputs are available, AnOut1 – AnOut3. A1 is the 0V common reference point. Figure 4-22 Analog Outputs See Recommended Tightening Torques in ...
Page 37 - Digital Outputs; Connector; Figure 4-24 Optional Digital Output Relay Connection
Receiving & Installation 4-17 MN792 Control I/O Signal Connections Continued Figure 4-23 Run/Stop Connections See Recommended Tightening Torques in Section 9. B8 Program Stop B9 Coast Stop C4 Control C3 Enable C5 Reverse Start C9 +24VDC RE Emergency Stop Relay (Optional) (Shown in energized - Ru...
Page 38 - Table 4-8 Cable Connections; P3 Connector; RXD
4-18 Receiving & Installation MN792 RS232 Connections The keypad connector shown in Figure 4-25 is used for RS232 communications. Workbench D is the block programming software for Windows PCs. It has a graphical user interface and drawing tools to allow youto create block programming diagrams qu...
Page 39 - Pre–Operation Checks; Size 4 and 5 Only – Power Board Calibration; Power up in Local Mode with Armature Feedback
Section 5Switch Setting and Start-Up Power Board SW2 SW1 HI LO HI LO IF CAL IA CAL Switch Setting & Start-Up 5-1 MN792 Pre–Operation Checks When the installation is complete, several things should be verified before power is applied. 1. Be sure AC power is off at the main disconnect or circuit b...
Page 42 - Verify that the OK and STOP LEDs are On, also either the FWD or REV LED.
5-4 Switch Setting & Start-Up MN792 Power up in Local Mode with Armature Feedback Continued The control is now ready to run from the keypad using armature feedback. 1. The logic power is still applied, the keypad display is normal, the motor is connected but the load isremoved. 2. Apply 3 phase ...
Page 43 - Power up in Remote Mode with Feedback
Switch Setting & Start-Up 5-5 MN792 Power up in Remote Mode with Feedback This procedure assumes that the terminal strip (connectors A, B C) are wired according to the instructions provided in Section 4 and the feedback device is properly installed. (The start upmode is defined by Parameter [517...
Page 48 - Apply power (logic power then 3 phase power) and repeat step 29.
5-10 Switch Setting & Start-Up MN792 e. Is the FLD CTRL Mode parameter set to Voltage Control or Current Control?If set to Voltage Control, check the value of the FLD. Volts Ratio parameter. Set this to 65% toobtain 300V fields from 460V lines.If set to Current Control, check the field current c...
Page 50 - Autotune; Set the AUTOTUNE parameter to OFF.
5-12 Switch Setting & Start-Up MN792 Power up in Remote Mode with Feedback Continued 8. Reset the MAIN CURR. LIMIT to 100% to correspond to 100% full load current (FLC). Note: The controller cannot achieve 200% current unless the CUR LIMIT/SCALER parameter is increased to 200% (from its factory ...
Page 51 - Speed Loop Adjustment; Incorrect Speed Response; Starting and Stopping Methods
Switch Setting & Start-Up 5-13 MN792 Speed Loop Adjustment You will need to adjust the Speed Loop for your application although in most cases the factory settings are acceptable. The optimum Speed Loop performance is achieved by adjusting the PROP. Gain and INT. Time CONST. parameters. 1. Produc...
Page 55 - Upload/Download Procedure
Switch Setting & Start-Up 5-17 MN792 Upload/Download Procedure (UDP) UploadThis procedure will transfer the parameters from a file at the host computer to the non–volatile memory of theControl. This information is written directly to EEPROM, so all the drive’s settings are overwritten. Theproced...
Page 56 - DUMP Procedure; Verify the Control is properly connected to the PC.; Example only
5-18 Switch Setting & Start-Up MN792 DUMP Procedure This procedure will transfer the control’s settings in a text format that is clear and easy to read. 1. Verify the Control is properly connected to the PC. 2. Use a standard communications software package installed at the PC. Set the COM port ...
Page 60 - Parameter Descriptions; Block Title; Calibration
6-4 Programming MN792 Parameter Descriptions Analog Inputs Five analog input blocks are used to scale and clamp the inputs for terminals A2 through A6. Analog input 1 is the 0–20mA or 4–20mA input. Analog input 2 is the main speed loop input (withoutAccel/Decel ramps). Analog input 3 is Speed setpoi...
Page 61 - Used as a ramped
Programming 6-5 MN792 Analog Inputs Continued Input Description Analog input 1 Terminal (A2) Used as a unipolar 0–20mA ramped speed command channel. Output [246] is connected to Setpoint Sum 1,Input 1. To use 4–20mA requires setting the Min value to 25%, the Max Value to 125% and the Setpoint Sum1,I...
Page 62 - 0V signal that represents armature current.
6-6 Programming MN792 Analog Outputs Three Analog Outputs are available, A7, A8 and A9. A7 and A8 can be configured and the source of an analog output signal can be read from any parameter. It is important to remember that other parameters do not“send” signals to the output terminal. An output termi...
Page 63 - Analog Outputs Continued
Programming 6-7 MN792 Analog Outputs Continued Example 1 – Read the field current feedback using Analog Output 1.The tag number for the field current feedback parameter is 300. 1. Set CONFIGURE I/O::CONFIGURE ENABLE to Enable. 2. Set ANALOG OUTPUTS::ANOUT 1 (A7):: SOURCE TAG to 300. 3. Set ANALOG OU...
Page 65 - Remote Sequence Tag 536, Mnemonic “ow”, Factory setting = 0x0000; Bit Number
Programming 6-9 MN792 AUX I/O ContinuedFunctional Description The external device sends its signal directly to the required tag (PNO). In the case of auxiliary digital inputs AUXStart, AUX Jog and AUX Enable, the overall input will be the result of the “AND” gating of the normal terminalsignal with ...
Page 67 - Block Diagram; description of that block described in this section.
Programming 6-11 MN792 Block Diagram The Block Diagram parameters make the connections of input and output tags for the blocks identified on the block diagrams of Appendix C. These connections are only executed when the destinations are connected to anon–zero tag. If a function is not required, set ...
Page 68 - Calibration – Functional Diagram; RPM
6-12 Programming MN792 Calibration This block contains parameters specific to the motor.Note: Control operation is suspended and all Keypad LEDs will flash while the Configure Enable = Enabled. 1 SETUP PARAMETERS 2 CALIBRATION Configure Enable NOM Motor Volts Armature Current Field Current Armature ...
Page 69 - Calibration Continued; Seconds
Programming 6-13 MN792 Calibration Continued Parameter Descriptions ContinuedEncoder RPMMax motor speed when using encoder feedback. Range: 0 to 6000 RPM Encoder LinesSets the lines per revolution value of the encoder being used. Range: 10 to 5000 Analog TACH CALTrim adjustment of the motor speed to...
Page 70 - Configure Drive
6-14 Programming MN792 Configure Drive This menu contains many of the parameters required for configuring the drive. The Configure Drive menu is only available at the keypad.Note: Control operation is suspended and all Keypad LEDs will flash while the Configure Enable = Enabled. 1 CONFIGURE DRIVE Co...
Page 71 - Current Loop
Programming 6-15 MN792 Current Loop Allows parameters to be customized for the conventional current loop (torque loop) of the control. 1 SETUP PARAMETERS 2 CALIBRATION Configure Enable NOM Motor Volts Armature Current Field Current Armature V CAL IR Compensation Encoder RPM Encoder Lines Analog TACH...
Page 72 - Current Loop Continued
6-16 Programming MN792 Current Loop Continued Parameter DescriptionsAt Current Limit (Read in Diagnostics Parameters)True indicates that current demand equals or exceeds maximum current limit. Range: 0 : False 1 : True IA Demand (Read in Diagnostics Parameters)(IaDmd Unfiltered) Range: xxx.xx % (h) ...
Page 73 - Functional Description
Programming 6-17 MN792 Current Profile When speed control is obtained by field weakening, the ability of the motor to commutate armature current isreduced at low field currents. Also some motors exhibit commutation limitations at higher speeds even withrated field current. 1 SETUP PARAMETERS 2 CURRE...
Page 74 - xxxxx RPM
6-18 Programming MN792 Diagnostics This function block is used to monitor the status of the drive, internal variables, and its inputs and outputs. 1 DIAGNOSTICS Speed Demand Speed Feedback Speed Error Speed Loop Output Current Demand Current Feedback Current FBK AMPS IaFBK Unfiltered IaDemand Unfilt...
Page 75 - Diagnostics Continued
Programming 6-19 MN792 Diagnostics Continued Parameter DescriptionsInverse Time Output (shown in Current Loop block)Inverse time clamp output level. Range: xxx.xx % At Current Limit (shown in Current Loop block)Current demand is being restrained by the overall current limit. Range: 0 : False 1 : Tru...
Page 77 - Enable
Programming 6-21 MN792 Digital Inputs Allows control of the digital operating parameters of the software. The digital input can be configured to point toa destination location and to set that destination true or false depending upon programmable values. 1 SYSTEM 2 CONFIGURE I/O 3 DIGITAL INPUTS 4 DI...
Page 79 - Digital Inputs Continued; Example 3 – Use Digital Input 1 to set Speed Loop PROP Gain; Speed Loop
Programming 6-23 MN792 Digital Inputs Continued Digital input 1 now sends a 0 when the input signal is true and 1 when it is false. ANALOG I/P 5 - + A5 A6 Analog IN 4 From Speed Loop [66] [48] NEG I Clamp Analog IN 4 [90] Bipolar Clamps Digital IN 1 [301] POS I Clamp Analog IN 5 -1 PI [65] Armature ...
Page 82 - Field Control; Field Weak VARS; Field Control Mode Two modes are avaiable
6-26 Programming MN792 Field Control This function block contains all the parameters for the field operating mode. It is viewed at the keypad in threesubmenus. In the Field Control menu, you select the field operating mode: open loop voltage control or closedloop current control.In certain DC motor ...
Page 83 - Field Control Continued; Field Voltage VARS
Programming 6-27 MN792 Field Control Continued Parameter DescriptionsMAX VOLTSThe voltage level at which field weakening begins. It is also known as “Spillover Bias”. The factorysetting value is 100% of the nominal value as set by the armature voltage calibration value. Forstart–up this value can be...
Page 84 - It is viewed at the keypad in three menus.; Inhibit Alarms
6-28 Programming MN792 Alarms This function block provides a view into the present and past trip conditions, and allows some trips to bedisabled. It is viewed at the keypad in three menus. 1 SETUP PARAMETERS 2 INHIBIT ALARMS) Field Fail 5703 RCV Error Stall Trip Trip Reset Speed FBK Alarm Encoder Al...
Page 86 - ” in milliseconds is calculated as follows:; Log; Where
6-30 Programming MN792 Menus Allows selection of either the full menu structure, or a reduced menu structure. It also selects the language forthe keypad display. 1 MENUS Full Menus Language Menus [37] Full Menus [547] Speed FDBK Filter Enabled 0.000 English [304] Language 1 SETUP PARAMETERS 4 SPEED ...
Page 87 - OP Station; (Keypad) Local operation parameters are set using three menus.; Password
Programming 6-31 MN792 OP Station (Keypad) Local operation parameters are set using three menus. 1 SETUP PARAMETERS 2 OP-STATION 3 SETUP Set Point JOG Setpoint Local Key Enable 1 SETUP PARAMETERS 2 OP-STATION 3 START UP VALUES Setpoint JOG Setpoint Forward Program Local 1 SETUP PARAMETERS 2 OP-STATI...
Page 88 - PID
6-32 Programming MN792 PID This is a general purpose PID block which can be used for many closed loop control applications. PID feedbackcan be loadcell tension, dancer position or any other transducer feedback such as pressure, flow etc. 1 SETUP PARAMETERS 2 SPECIAL BLOCKS 3 PID PROP Gain INT Time C...
Page 89 - PID Continued; Critically Damped Response
Programming 6-33 MN792 PID Continued Parameter DescriptionsFILTER T.C.To attenuate high–frequency noise, a first order filter is added in conjunction with the differentiator.The ratio k of the Derivative Time Constant (Td) over the Filter Time Constant (Tf) (typically 4 or 5)determines the high–freq...
Page 91 - Ramps; RAMPS
Programming 6-35 MN792 Ramps This function block provides the facility to control the rate at which the control will respond to a changingsetpoint. 1 SETUP PARAMETERS 2 RAMPS Ramp ACCEL Time Ramp DECEL Time Constant ACCEL Ramp Hold % S-Ramp Ramping Thresh Auto Reset External Reset Reset Value MIN Sp...
Page 92 - Ramps Continued; Acceleration / Deceleration Rates
6-36 Programming MN792 Ramps Continued Parameter DescriptionsReset Value This value is loaded into the output when Ramp Reset is true, or at power–up. To catch a spinningload smoothly (‘bumpless transfer’), connect Speed Feedback [62] (source) to Reset Value [422](destination). Range: –300.00 to 300...
Page 93 - Minimum Speed; The ramp input is set to X% at time
Programming 6-37 MN792 Ramps Continued t Minimum Speed Drive Enabled 100% 0% Ramp Input X% t 0 Ramp Input t 100% 0% X% t 0 Ramp Output Y% This figure shows the effect of setting MIN. Speedabove 0.00%. When the drive is enabled, the rampoutput cannot decrease below the MIN. Speed value.Note the ramp ...
Page 95 - Speed Feedback Select
Programming 6-39 MN792 Speed Loop Speed loop selects the speed feedback source and tunes the speed loop PI to produce a current demand. Theparameters are set in several menus, some parameters can be set in multiple menus. Speed FBK Selectdetermines the source of the speed feedback signal. The defaul...
Page 97 - Speed Loop Continued; Advanced; This function block is shown in Speed Loop; Adaption; Adjusts speed loop gain scheduling.
Programming 6-41 MN792 Speed Loop Continued Advanced This function block is shown in Speed Loop Adaption Adjusts speed loop gain scheduling. Zero SPD Quench Similar to Standstill logic (i.e. keeps the contactor in but motor current drops to zero) exceptthe speed loop stays enabled and will cause the...
Page 98 - If the drive is below the zero speed
6-42 Programming MN792 Standstill Standstill logic is used to inhibit rotation during Zero Speed demand. If the drive is below the zero speed threshold [12] and Standstill Logic [11] is enabled, the speed and current loops are quenched to prevent shaftoscillation around zero speed. Standstill Logic ...
Page 99 - Stop Rates
Programming 6-43 MN792 Stop Rates Sets the stop method parameters for the control. A normal stop occurs when the Run signal is removed fromterminal C3. It ramps the speed demand to zero at a rate set by Stop Time. Series 29 Non–regenerative driveswill stop no faster than the coast stop rate. Series ...
Page 101 - Stop Rates Continued
Programming 6-45 MN792 Stop Rates Continued Time Out During a Normal StopWhen a normal stop takes longer than the Stop Limit time, the control disables and the contactor isde–energized. 0 100 Speed Setpoint % 0 100 Speed Demand % 0 100 Speed Feedback % 0 Drive Enable 0 Run LED andContactor LED 2 Sto...
Page 104 - System Port P3; P3 Setup; P3 BAUD RATE; Four options are available:
6-48 Programming MN792 System Port P3 The System Port (P3) is a non–isolated RS232 serial communications port. The port is used off–line (while the drive is stopped) for transferring and saving drive configuration files using a personal computer (PC) running aserial communications program, or online...
Page 106 - System Port P3 Continued; RECEIVING
6-50 Programming MN792 System Port P3 Continued UDP Download (UDP XFER From P3)A UDP download transfers the actual parameter and configuration settings from the control to a host computer.This file fully transfers all settings stored in EEPROM in a binary format and can be used as a back up file if ...
Page 107 - The 5703 peer–to–peer communication option is not available.
Programming 6-51 MN792 5703 Support The 5703 peer–to–peer communication option is not available. 1 SYSTEM 2 CONFIGURE I/O 3 CONFIGURE 5703 Source Tag Destination Tag 5703 Scaled Input [189] [134] Source Tag [131] SETPT Ratio [132] SETPT Sign 89 0.0000 Positive 0.00% Raw Input [187] 1 SERIAL LINKS 2 ...
Page 108 - that doesn’t fully support the drive.
6-52 Programming MN792 TEC Option The Technology Option function block sets the inputs and outputs of the communications board options ifinstalled. If a communications board is installed, refer to its manual for additional information. 1 SERIAL LINKS 2 TEC OPTION TEC Option Type TEC Option IN1 TEC O...
Page 109 - Keypad Operation 7-1; Keypad; Indicator Lights; Programming Keys
Section 7Keypad Operation Keypad Operation 7-1 MN792 Keypad The keypad allows full use of the Control’s features. The keypad provides “Local” motor control, statusmonitoring, and complete access for application programming. The display, LEDs and keys are shown in Figure7-1. The Keypad Display displa...
Page 110 - Keypad LED Status; Off; Table 7-1 Control Status
7-2 Keypad Operation MN792 Keypad LED Status Seven LEDs indicate the status of the Control. Each LED (Figure 7-1) can operate in three different ways: Off , Blink , and On . Table 7-1 Control Status OK Run Stop Control StatusRe–ConfigurationTrippedStoppedStoppingRunning with Zero ReferenceRunningAut...
Page 111 - Keypad Operation 7-3; Local Menu; and; PROG Key
Keypad Operation 7-3 MN792 Local Menu L R key (Figure 7-2) Pressing the L/R key from anywhere in the Menu System activates the Local menu. The Local menu providessetpoint information for local operation. Pressing and holding the M key in the Local menu will display additionalFeedback information. A ...
Page 113 - Keypad Operation 7-5; Figure 7-3 The Menu Map
Keypad Operation 7-5 MN792 Figure 7-3 The Menu Map 1 2 3 4 Diagnostics Setup Parameters Password Alarm Status Menus Menu Levels Serial Links System Configure Drive Parameter Save Full & Reduced Views Full View Only Ramps AUX I/O OP Station Raise / Lower Jog / Slack Special Blocks Setup Local Ram...
Page 114 - Menu Shortcuts and Special Key Combinations; Quick Tag Information; second to; Figure 7-4 Menu Map; Restore Factory Settings; Figure 7-5 2 Button Reset
7-6 Keypad Operation MN792 Menu Shortcuts and Special Key Combinations Quick Tag Information In any menu system, when a parameter is displayed hold down the “M” key for approximately 1 / 2 second to display the tag number for that parameter. In section 3, the example was given as shown in Figure 7-4...
Page 115 - Keypad Operation 7-7; button reset; Figure 7-6 3 Button Reset; Hold down these three keys:
Keypad Operation 7-7 MN792 3 button reset (Changing the Power Base). This is only necessary if you are installing a new control board on an existing power base. Power–up the drive holding three keys as described in Figure 7-6.It is important that the control be configured for the correct power ratin...
Page 116 - Operation Examples
7-8 Keypad Operation MN792 Operation Examples Select a Menu View Level Two view levels are available: Full view or Reduced view. These were illustrated in Figure 7-3. Full view shows all menu choices. Reduced view only shows a portion of the menu items. Action Description Display Comments Apply Powe...
Page 117 - Keypad Operation 7-9; Password Protection
Keypad Operation 7-9 MN792 Password Protection A password prevents unauthorized parameter modification by making all parameters “read–only”. If you attempt to modify a password protected parameter, it will cause “PASSWORD ??” to be displayed. Thepassword protection is activated or deactivated using ...
Page 118 - -10 Keypad Operation; Deactivate a Password
7-10 Keypad Operation MN792 Deactivate a Password When password protection is activated, you can no longer edit the CHANGE PASSWORD parameter until you deactivate the password protection (the value is displayed as “ **** ”). First, enter the current password (e.g. 0x0002) in the ENTER PASSWORD param...
Page 119 - Keypad Operation 7-11; Save Settings
Keypad Operation 7-11 MN792 Save Settings When parameter values have been changed they are not permanent until they are saved. If you turn power offthen turn power on, the previous settings (stored in memory) will be used. To make your new parametersettings the power up settings, they must be saved ...
Page 120 - -12 Keypad Operation
Page 121 - Problem
Section 8Troubleshooting Troubleshooting 8-1 MN792 Overview When a trip occurs, the Control’s power stage is immediately disabled (tripped) causing the motor and load tocoast to a stop. The trip remains until action is taken to reset the fault, even if the original cause of the trip is nolonger pres...
Page 122 - Alarm Messages; Last Alarm
8-2 Troubleshooting MN792 Alarm Messages When a trip occurs an alarm message is displayed at the keypad and information about the trip is stored in theAlarm Status menu. The alarm message and the Last Alarm parameter are displayed. The Health Store andHealth Word parameters display information as he...
Page 123 - Power Board LED Trip Information (Frame 4 and 5)
Troubleshooting 8-3 MN792 Table 8-3 Trip LAST ALARM only 14 Autotune error F 0 0 1 14 Autotune aborted F 0 0 2 14 External trip F 0 0 5 14 Remote trip F 0 0 6 14 CONFIG Enabled F 2 0 0 14 No OP–Station F 4 0 0 14 PCB Version F F 0 5 14 Product code F F 0 6 When more than one trip is to be represente...
Page 124 - Manage Trips from the Keypad; Trip Messages; Trip Message and Description
8-4 Troubleshooting MN792 Manage Trips from the Keypad Trip Messages Most of the alarms have a delay timer so that the control only trips if the condition persists for the whole of thedelay period. If the control trips, the display immediately shows a message indicating the reason for the trip.These...
Page 125 - Symbolic Alarm Messages
Troubleshooting 8-5 MN792 Table 8-4 Continued Trip Message and Description Possible Cause 3–Phase Failed3–phase supply failure Total failure of supply, or missing phase of 3–phase supply (detected under mostcircumstances) – check main AC supply to the control, check high–speed thyristorprotection fu...
Page 126 - Self Test Alarms; Self Test Alarm and Meaning; Setting Trip Conditions
8-6 Troubleshooting MN792 Self Test Alarms Self Test Alarm and Meaning Possible Reason for Alarm (EEPROM) CHECKSUM FAIL Parameters not saved, or are corrupted. (The alarm appears at power–up or at the end of “Upload” UDP Transfer) Corrupted UDP file loaded – press the E key and perform a PARAMETER S...
Page 127 - Test Points; Maintenance
Troubleshooting 8-7 MN792 Test Points The following test points are located on the control board and can be accessed through the Technology Optionhousing. When used with a meter, they will provide valuable information in the event of a fault. Contact Baldorfor more information. Technology Box Option...
Page 129 - Identification; Digital DC Control; Output Amps
Section 9Specifications & Product Data Specifications & Product Data 9-1 MN792 Identification Baldor ControlSeries 29 Digital DC230/460VAC, 3 PhaseInput Voltage BC29D7A XXXX –CXX Logic Power (Single Phase)CO7 Internal Logic TransformerCO1 Requires 115VAC Logic PowerCO2 Requires 230VAC Logic ...
Page 130 - Control Specifications:
9-2 Specifications & Product Data MN792 Specifications: Continued Keypad Display: Display: Backlit LCD Alphanumeric 2 Lines x 16 Characters Keys: 10 key membrane with tactile response Display Function: Running Setting Trip Motor RPM, Output current, Voltage (selectable)Parameter values for setti...
Page 132 - Dimensions
9-4 Specifications & Product Data MN792 Dimensions M Size 1, 2, 3, 4 M Size 5 For safe operation, allow a clearance distance between each control and on all sides of each control. Dimensions Size Amp Rating A A1 B B1 C 1 15–35 14.8 (375) 14.2 (360) 7.9 (200) 5.5 (140) 8.7 (220) 2 40–165 21.5 (54...
Page 133 - EMC Filters; EMC Filter Assemblies – 15A through 180A; EMC Filter
Specifications & Product Data 9-5 MN792 Dimensions Continued EMC Filters EMC Filter Assemblies – 15A through 180A C A B B1 C1 PE CO467844U015 C A B B1 C1 PE CO467844U040CO467844U070CO467844U110CO467844U165 984.0 944.0 80.0 370.0 300.0 47.0 PE L1 L2 L3 Line GND L1' L2' L3' Load Alternate Side Mou...
Page 135 - CE Declaration of Conformity; Electronic equipment for use in electrical power installations; EMC – Conformity and CE – Marking
Appendix ACE Guidelines CE Guidelines A-1 MN792 CE Declaration of Conformity Baldor indicates that the products are only components and not ready for immediate or instant use within themeaning of “Safety law of appliance”, “EMC Law” or “Machine directive”.The final mode of operation is defined only ...
Page 136 - EMC Wiring Technique
A-2 CE Guidelines MN792 Using CE approved components will not guarantee a CE compliant system! 1. The components used in the drive, installation methods used, materials selected for interconnectionof components are important. 2. The installation methods, interconnection materials, shielding, filteri...
Page 138 - Simulated Encoder Output Cable Grounding; Encoder Cable Grounding
A-4 CE Guidelines MN792 Cable Screens Grounding Cable (Twisted Pair Conductors) Conductive Clamp – Must contact bare cable shield and be secured to metal backplane. Input Signal Cable Grounding Cable Control Simulated Encoder Output Cable Grounding Cable Control ToController Encoder Cable Grounding ...
Page 149 - Parameter Table B-11; Table B-2 Parameters Listed by Name
Parameter Table B-11 MN792 Table B-2 Parameters Listed by Name Continued Tag R/W Name Keypad Menu WB Block Range Factory Setting MN Notes 15 RW CUR.LIMIT/SCALER CONFIGURE DRIVE Current Loop 0.00 to 200.00 % 90.00% af 594 RW CURR Decay Rate SETUP PARAMETERS::ST OP RATES Stop Rates 0 to 200.00 0.00 29...
Page 151 - Parameter Table B-13
Parameter Table B-13 MN792 Table B-2 Parameters Listed by Name Continued Tag R/W Name Keypad Menu WB Block Range Factory Setting MN Notes 411 RW Input 2 SETUP PARAMETERS::SPECIAL BLOCKS::PID PID -300.00 to 300.00 % 0.00% lf 423 RW Input 2 SETUP PARAMETERS::SETPOINT SUM 1 Setpoint Sum 1 -200.00 to 20...
Page 153 - Parameter Table B-15
Parameter Table B-15 MN792 Table B-2 Parameters Listed by Name Continued Tag R/W Name Keypad Menu WB Block Range Factory Setting MN Notes 493 RO Output SYSTEM::CONFIGURE I/O::ANALOG INĆ PUTS::ANIN 2 (A3) Analog Input 2 xxx.xx % 0.00% np Output, 2 188 RW Over Speed Level SETUP PARAMETERS::CALIBRATION...
Page 155 - Parameter Table B-17
Parameter Table B-17 MN792 Table B-2 Parameters Listed by Name Continued Tag R/W Name Keypad Menu WB Block Range Factory Setting MN Notes 269 RW SPD BRK1 (LOW) SETUP PARAMETERS::SPEED LOOP::ADĆ VANCED::ADAPTION Advanced 0.00 to 100.00 % 1.00% hh 31 RW SPD BRK2 (HIGH) SETUP PARAMETERS::CURRENT PROFIL...
Page 157 - Parameter Table B-19; Parameter Values
Parameter Table B-19 MN792 Parameter Values Continued R/W: RO = Read Only, RW = Read / Write Table B-3 Parameters Listed by Keypad Menu Tag R/W Name Keypad Menu WB Block Range Factory Setting MN Notes 116 RO Health Store ALARM STATUS Alarms 0x0000 to 0xFFFF 0x0000 d8 Output 115 RO Health Word ALARM ...
Page 158 - Table B-3 Parameters Listed by Keypad Menu
B-20 Parameter Table MN792 Table B-3 Parameters Listed by Keypad Menu Continued Tag R/W Name Keypad Menu WB Block Range Factory Setting MN Notes 42 RO At Current Limit DIAGNOSTICS Current Loop 0 : False 1 : True False b6 Output 79 RO At Standstill DIAGNOSTICS Standstill 0 : False 1 : True True c7 Ou...
Page 159 - Parameter Table B-21
Parameter Table B-21 MN792 Table B-3 Parameters Listed by Keypad Menu Continued Tag R/W Name Keypad Menu WB Block Range Factory Setting MN Notes 59 RO UNFIL.ENCODER DIAGNOSTICS Calibration xxxxx RPM 0 RPM bn Output 64 RO UNFIL.SPD.ERROR DIAGNOSTICS Speed Loop xxx.xx % 0.00% bs Output 62 RO UNFIL.SPD...
Page 161 - Parameter Table B-23
Parameter Table B-23 MN792 Table B-3 Parameters Listed by Keypad Menu Continued Tag R/W Name Keypad Menu WB Block Range Factory Setting MN Notes 178 RW MAX VOLTS SETUP PARAMETERS::FIELD CONĆ TROL::FLD.CURRENT VARS::FLD.WEAK VARS Field Control 0.00 to 100.00 % 100.00% ey 179 RW MIN FLD.CURRENT SETUP ...
Page 163 - Parameter Table B-25
Parameter Table B-25 MN792 Table B-3 Parameters Listed by Keypad Menu Continued Tag R/W Name Keypad Menu WB Block Range Factory Setting MN Notes 306 RW Source Tag SETUP PARAMETERS::STANDSTILL Standstill 0 to 549 89 ii 2, 3, 4 11 RW Standstill Logic SETUP PARAMETERS::STANDSTILL Standstill 0 : Disable...
Page 165 - Parameter Table B-27
Parameter Table B-27 MN792 Table B-3 Parameters Listed by Keypad Menu Continued Tag R/W Name Keypad Menu WB Block Range Factory Setting MN Notes 470 RW Destination Tag SYSTEM::CONFIGURE I/O::INTERNAL LINKS::LINK 10 Link 10 0 to 549 0 n2 2, 3 469 RW Source Tag SYSTEM::CONFIGURE I/O::INTERNAL LINKS::L...
Page 167 - Parameter Table B-29; Table B-4 Parameters Listed by WB Block
Parameter Table B-29 MN792 Table B-4 Parameters Listed by WB Block Continued Tag R/W Name Keypad Menu WB Block Range Factory Setting MN Notes 542 RO Remote Trip ALARM STATUS Alarms 0 : False 1 : True FALSE p2 Output, 1 112 RO Stall Trip ALARM STATUS Alarms 0 : OK 1 : Failed OK d4 Output 122 RO Healt...
Page 169 - Parameter Table B-31
Parameter Table B-31 MN792 Table B-4 Parameters Listed by WB Block Continued Tag R/W Name Keypad Menu WB Block Range Factory Setting MN Notes 119 RW I DMD. ISOLATE SETUP PARAMETERS::CURRENT LOOP Current Loop 0 : Disabled 1 : Enabled Disabled db 17 RW INT. GAIN SETUP PARAMETERS::CURRENT LOOP Current ...
Page 171 - Parameter Table B-33
Parameter Table B-33 MN792 Table B-4 Parameters Listed by WB Block Continued Tag R/W Name Keypad Menu WB Block Range Factory Setting MN Notes 225 RW Crawl Speed SETUP PARAMETERS::JOG/SLACK Jog/Slack -100.00 to 100.00 % 10.00% g9 218 RW Jog Speed 1 SETUP PARAMETERS::JOG/SLACK Jog/Slack -100.00 to 100...
Page 173 - Parameter Table B-35
Parameter Table B-35 MN792 Table B-4 Parameters Listed by WB Block Continued Tag R/W Name Keypad Menu WB Block Range Factory Setting MN Notes 100 RW Input 1 SETUP PARAMETERS::SETPOINT SUM 1 Setpoint Sum 1 -200.00 to 200.00 % 0.00% cs 423 RW Input 2 SETUP PARAMETERS::SETPOINT SUM 1 Setpoint Sum 1 -20...
Page 175 - Baldor Series 29D Digital DC Drive
Appendix CBlock Diagram Block Diagram C-1 MN792 SPT Sum 1 DEST [294] SPT Sum [86] Analog Input 1 Destination Tag [246] [230] Calibration [231] MAX Value [232] MIN Value ANIN 1 (A2) [50] Analog Input 2 Output [493] [233] Calibration [234] MAX Value [235] MIN Value ANIN 2 (A3) [51] Analog Input 3 Dest...
Page 177 - BALDOR ELECTRIC COMPANY; Baldor Electric Company
BALDOR ELECTRIC COMPANY P.O. Box 2400 Ft. Smith, AR 72902–2400 (479) 646–4711 Fax (479) 648–5792 www.baldor.com Baldor Electric Company MN792 Printed in USA 9/03 C&J1000 CHTEL: +41 52 647 4700FAX: +41 52 659 2394 DTEL: +49 89 90 50 80FAX: +49 89 90 50 8491 UKTEL: +44 1454 850000FAX: +44 1454 8...
Page 178 - Series