Page 2 - Table of Contents
Table of Contents Table of Contents i MN850 Section 1General Information 1-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Introduction 1-1 . . . . . . . . . . . . . . . . . . . . . . . . . ...
Page 3 - Appendix E
ii Table of Contents MN850 Section 4Parameter Index 4-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Menu Descriptions 4-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...
Page 5 - -2 General Information; Safety Notice; PRECAUTIONS
1-2 General Information MN850 Safety Notice This equipment contains voltages that may be as high as 600 volts! Electrical shock cancause serious or fatal injury. Only qualified personnel should attempt the start-upprocedure or troubleshoot this equipment. This equipment may be connected to other mac...
Page 6 - C air per minute for each ampere of motor FLA rating.; Table 2-1 Air Flow Clearance Requirements; Soft–Start; full load current by 2% per
Section 2Installation Installation 2-1 MN850 Receiving, Inspection and Storage When you receive your control, there are several things you should do immediately. 1. Observe the condition of the shipping container and report any damageimmediately to the commercial carrier that delivered your control....
Page 8 - Optional Remote Keypad Installation; Mounting Instruction:
Section 1General Information Installation 2-3 MN850 Optional Remote Keypad Installation The keypad may be remotely mounted using optional Baldor keypad extension cable. Keypad assembly (white - DC00005A-01; gray - DC00005A-02) comescomplete with the screws and gasket required to mount it to an enclo...
Page 9 - ambient temperatures greater than 40
2-4 Installation MN850 AC Main Circuit Power Disconnect A power disconnect should be installed between the input power service and the controlfor a fail safe method to disconnect power. Protective Devices Recommended fuse sizes are based on the following:175% of maximum continuous current for time d...
Page 10 - Table 2-2 Connection Descriptions; Terminal; Relay K1
Installation 2-5 MN850 UL Required Fuses for Short Circuit Rating UL requires R/C fuses, special purpose fuses (JFHR2) or semiconductor fuses rated700VAC be used to obtain the short circuit current ratings required by UL. Fuse Manufacturer Fuse Model Number Bussman (300 KA A.I.C.) Catalog Number Fer...
Page 11 - Figure 2-1 Power and Motor Circuit Connections; Programmable; Baldor; Table 2-3 Control Supply; Chassis Size; Motor Overload and Thermal Protection
2-6 Installation MN850 Figure 2-1 Power and Motor Circuit Connections Programmable Input L1 L2 L3 Alternate * Fuse Connection Note 1 L1 L2 L3 L1 L2 L3 * CircuitBreaker Earth * Optional components not provided with control. Note 4, 8 Baldor Digital Soft–Start Note 1 Notes: 1. See “Protective Devices”...
Page 12 - In–Delta Connections; Figure 2-2 In–Delta Soft–Start Connections; Fuse; In–Delta connections for correct motor rotation; Figure 2-3 Fan Connections
Installation 2-7 MN850 In–Delta Connections For Delta connected motors, the Soft–Start can be connected inside the delta windings.This connection method is shown in Figure 2-2. Figure 2-2 In–Delta Soft–Start Connections L1 L2 L3 Alternate * Fuse Connection Note 1 L1 L2 L3 L1 L2 L3 * CircuitBreaker E...
Page 13 - All; Table 2-5 NEC Wire Size and Protection Devices; Note: All wire sizes are based on 75
2-8 Installation MN850 Wire Size and Protection Devices Table 2-4 Control Wire Sizes and Tightening Torques Control Wire Gauge * Terminal Torque Control Size Terminal AWG mm 2 Lb–in Nm L1, L2, L3, T1, T2, T3 (M8 Stud for Ring connector) 106 12 1 Earth (Ground) Terminal (M8 Stud for Ring connector) 1...
Page 14 - Figure 2-4 Three Wire Control Connection; * External hardware not provided with control.; Figure 2-5 Two Wire Control Connection; * External hardware not provided with control.; Or
Installation 2-9 MN850 Three Wire Control Figure 2-4 Three Wire Control Connection Baldor Digital Soft–Start See Recommended Tightening Torques in Table 2-4. 14 11 12 K1 242122 K2 S1 S0 115 / 230VAC X1 X2 Start Stop IC * External hardware not provided with control. R1 Fuse Neutral R1 IC OL OT IC= In...
Page 15 - To AC Input
2-10 Installation MN850 NEMA 12/4 Installation When a NEMA12, NEMA4, NEMA4x OR IP65 enclosure is used, a separate Top of RampBypass (or shunt) contactor must be connected in parallel with the soft–start control. Thiswill allow a solid connection of the motor to the AC power lines and eliminate the h...
Page 16 - Reversing Contactor; Figure 2-7 Motor Reversing Connection
Installation 2-11 MN850 Reversing Contactor For this mode, the Stop Time must be set to zero. Also, allow a minimum of 350 milliseconds between the Forward and Reverse commands. Figure 2-7 Motor Reversing Connection L1 L2 L3 Baldor Digital Soft–Start See Recommended Tightening Torques in Table 2-4. ...
Page 17 - Installation; Shock Mounting; Use copper wire rated for at least 75
2-12 Installation MN850 Installation 1. Remove cover. (See cover removal described previously in this section.) 2. Mount the panel or enclosure to the mounting surface. The panel or enclosuremust be securely fastened to the mounting surface. Refer to the mountingdimensions in Section 6 of this manua...
Page 18 - Overview; Pre–Start Checklist
Section 3Operation Operation 3-1 MN850 Overview The start–up procedure will help get your system up and running quickly and will allowmotor and control operation to be verified. This procedure assumes that the Control andMotor are correctly installed (see Section 2 for procedures) and that you have ...
Page 19 - Start–Up Procedure; Applications; Action; Logo display for 2 seconds.; Keypad Operation; Mode
3-2 Operation MN850 Start–Up Procedure This procedure assumes that this is the first time the control and motor have beenstarted. The normal start–up procedure would be as follows: 1. Apply X1, X2 Control Voltage power (115VAC). 2. Apply three phase power. The display should show “ Stopped & Rea...
Page 20 - Operating Modes; represents blinking cursor.; represents blinking cursor.
Operation 3-3 MN850 Operating Modes System Status Mode Description Display Comments During normal operation, the display shows the statusof operation. OPTIMIZECURRENT 183 A Shows that Optimized operationis selected and the load current is183 amperes. Menu Mode At the power up display, press ENTER on...
Page 21 - ENTER; Level 0
3-4 Operation MN850 Menu Structure Figure 3-2 Menu Structure Diagram Stopped and ready ENTER ENTER ENTER ENTER # # # Inputs Password Password Permanent store Outputs Trips Parameters Auto features Basic Basic Advanced Permanent store Advanced Applications Auto features Default (keypad)Small PumpLarg...
Page 22 - Menu Navigation Examples; Menu Navigation
Operation 3-5 MN850 Menu Navigation Examples Menu Navigation This example shows how to go to the Inputs menu and map an input parameter. Action Description Display Comments Apply Control Voltage(115VAC) Keypad Display shows thisopening message. Baldor Soft Start Logo display for 2 seconds. If no fau...
Page 24 - Figure 3-3 Motor Starting Key Terms
Operation 3-7 MN850 Motor Starting Definitions Term Definition Starting Selectable in Basic Menu as either Keypad or Remote starting method. Voltage Pedestal Initial voltage applied to motor after the 3 cycle power–up ramp. Programmed as parameter 11 or as Start Pedestal in Basic Menu. Kick Pedestal...
Page 27 - Figure 3-4 Motor Stopping Key Terms; Begins the Stop operation
3-10 Operation MN850 Motor Stopping Definitions Term Definition Stop Pedestal Voltage Stop Pedestal Voltage is the percentage of line voltage applied to the motor after a stopcommand. Programmed as parameter 16 or as Stop Pedestal in Basic Menu. Stop Time Time in seconds after a stop command to ramp...
Page 28 - Menu Descriptions; Basic Menu
Section 4Parameter Index Parameter Index 4-1 MN850 Menu Descriptions Basic Menu Block Title Parameter Description Basic Starting Keypad – Allows motor starting and stopping by pressing Start/Stop key on keypad. Remote – Allows motor starting and stopping by applying or removing 115VAC at terminals S...
Page 29 - Applications Menu; Continued
4-2 Parameter Index MN850 Applications Menu Continued Small Pump NameStart Pedestal %Start TimeCurrent Limit Level 10 5 3.5 %S*FLC Optimise Rate Auto End Start Soft Stop Smoothing Auto 3MC Low Voltage SoftStop Auto Bypass Auto Pedestal Auto Stop Auto Jog Auto End Stop Stop Pedestal %Stop Time 1030 %...
Page 30 - Advanced Menu; Block Title
Parameter Index 4-3 MN850 Advanced Menu Block Title Parameter Description Advanced Current Rated Current – (View Only) this value is the continuous current rating of the control. Low Current – If on, activates low current trip protection. Useful to detect a low current condition (broken belt, coupli...
Page 34 - Mapping to an Output Relay; Most status values are stored in memory as status words.; Parameter
Parameter Index 4-7 MN850 Mapping to an Output Relay Most status values are stored in memory as status words. The following is a list of these status words: Parameter Description (128) 10000000 (64) 01000000 (32) 00100000 (16) 00010000 (8) 00001000 (4) 00000100 (2) 00000010 (1) 00000001 8 Status 1 S...
Page 35 - Parameter Descriptions; Title
4-8 Parameter Index MN850 Parameter Descriptions Version 5MC (4/2/01) Title P# Parameter Description Parameter P0 Dummy Parameter Map unused bits, parameters etc. P1 Station Number Unused P2 Country Determines the language used by the display. 44=English. P3 Software Type Manufacturers product code ...
Page 42 - Power Off Checks; Check all connections for tightness and signs of overheating.; Table 5-1 Fault Trip Messages; Trips
Section 5Troubleshooting Troubleshooting 5-1 MN850 Safety Notice Be sure to read and understand all notices, warning and caution statements in Section 1of this manual. If you have any questions about the safe operation of this equipment,please contact your Baldor representative before you proceed. P...
Page 43 - Table 5-2 Troubleshooting Guide; INDICATION; Unit fails to start; LED’s on control card are OFF and no error messages displayed:; delay are correct for the application.
5-2 Troubleshooting MN850 Table 5-2 Troubleshooting Guide INDICATION CORRECTIVE ACTION Unit fails to start LED’s on control card are OFF and no error messages displayed: 1. Verify that 115VAC is present at X1 and X2 terminals.2. Verify that 9VAC is present at terminal J2 (see Section 2 cover removal...
Page 44 - Verify that AC input power and motor power wires are not reversed.
Troubleshooting 5-3 MN850 Table 5-2 Troubleshooting Guide Continued INDICATION CORRECTIVE ACTION Initial motor kickthen bad start Verify that AC input power and motor power wires are not reversed. (The motor will give an initial kick then start very roughly.) Current is notdisplayed 1. Verify the cu...
Page 45 - Cross power and control wires at right angles (90
5-4 Troubleshooting MN850 Electrical Noise Considerations All electronic devices are vulnerable to significant electronic interference signals(commonly called “Electrical Noise”). At the lowest level, noise can cause intermittentoperating errors or faults. From a circuit standpoint, 5 or 10 millivol...
Page 46 - Identification; Three Phase Digital Soft–Start
Section 6Specifications and Product Data Specifications and Product Data 6-1 MN850 Identification Three Phase Digital Soft–Start Input Voltage7- 208, 230, 460VAC8- 230, 460, 575VAC 7 016 Ampere Rating 009- 9 Amp016- 16 Amp023- 23 Amp030- 30 Amp044- 44 Amp059- 59 Amp072- 72 Amp085- 85 Amp105- 105 Amp...
Page 47 - Input Ratings; Input Voltage Range; Storage Conditions
6-2 Specifications and Product Data MN850 Input Ratings Input Voltage Range MD7–XXX = 208/230/460 VAC +10% to –15% MD8–XXX = 230/460/575 VAC +10% to –15% Phase Three Phase Input Frequency 60/50 HZ ± 5% Overload Rating Continuous 115% of FLA; 350% for 30 seconds. Duty Cycle Continuous Peak Inverse Vo...
Page 48 - Specifications and Product Data 6-3
Specifications and Product Data 6-3 MN850 Standard Duty: Agitator, Compressor, Centrifuge, Fan, Blower, Chiller, Escalator, Pump, Bandsaw, Low Inertia Fan, Small Pump. Medium Duty: Mill, Conveyor, Drilling Press, Reciprocating Compressor, Elevator, Screw Feeder, Grinder, Hammer Press, Mixer, Large P...
Page 49 - -4 Specifications and Product Data; Mounting Dimensions; Size 1; Ground
6-4 Specifications and Product Data MN850 Mounting Dimensions Size 1 1.41 (36) Ground Ground 5.9 (150) 14.93 (379) 16.31 (414) 7.68 (195) Model # Weight lb (kg) –9 16.1(7.3) –16 16.1(7.3) –23 16.1(7.3) –30 16.1(7.3) –44 16.1(7.3) –59 18.3(8.3) –72 18.3(8.3) –85 18.3(8.3) –105 18.3(8.3) –146 18.3(8.3...
Page 50 - Specifications and Product Data 6-5; Size 2
Specifications and Product Data 6-5 MN850 Mounting Dimensions Continued Size 2 13.38 (340) 20.47 (520) Ground 10.43 (265) Model # Weight lb (kg) –174 34.6(15.7) –202 34.6(15.7) –242 48.5(22) –300 48.5(22) –370 48.5(22) 0.23 (M6) Slot2 Places 0.23 (M6) Hole2 Places 9.84 (250) 19.68 (500)
Page 51 - -6 Specifications and Product Data; Size 3
6-6 Specifications and Product Data MN850 Mounting Dimensions Continued Size 3 15.75 (400) 26.58 (675) 24.01 (610) 22.64 (575) 9.84 (250) 9.84 (250) Model # Weight lb (kg) –500 143.3(65) –600 143.3(65) –750 158.8(72) –900 158.8(72) 3.44 (87.5) 1.38(35) 0.39 (M10) Slot3 Places 0.39 (M10) Hole3 Places
Page 52 - Specifications and Product Data 6-7
Specifications and Product Data 6-7 MN850 Mounting Dimensions Continued Size 4 4.53(115) 25 (635) 24.45 (621) 5.95(151) 7.88(200) 7.88(200) 3.94(100) 4.13(105) 7.59 (193) 7.59 (193) m10 1.97(50) 10.87 (276) 12.68 (322) 6.58(167) T1, T2, T3 L1, L2, L3 Air Flow Model # Weight lb (kg) –1100 158.8 (72) ...
Page 53 - -8 Specifications and Product Data
Page 55 - Control
A-2 Appendix MN850 Using CE approved components will not guarantee a CE compliant system! 1. The components used in the drive, installation methods used, materialsselected for interconnection of components are important. 2. The installation methods, interconnection materials, shielding, filtering an...
Page 58 - Read Only Parameter Values
Appendix BParameter Values Applications B-1 MN850 Version 5MC (4/2/01) Read Only Parameter Values Title P# Parameter Adjustable Range Factory User Setting Parameter P0 Dummy Parameter 0–255 0 P1 Station Number 1–99 1 P2 Country 1–255 44 (England) P3 Software Type Factory Set Read Only P4 Software Ve...
Page 63 - Description
C-2 Appendix MN850 575VAC PartsPART No. Description SSD1PSCR059 1 Phase SCR pair for 44, 59 A SSD1PSCR8030 1 Phase SCR pair for 9, 16, 23, 30 A SSD1PSCR8059 1 Phase SCR pair for 44, 59 A SSD1PSCR8146 1 Phase SCR pair for 72, 85, 105, 146 A SSD1SCR8202 1 Phase SCR pair for 174, 202 A SSD3PC8242 1 Pha...
Page 64 - Voltage Surge Protection D-1; Grounding
Appendix DVoltage Surge Protection Voltage Surge Protection D-1 MN850 Grounding Proper grounding is extremely important. The symptoms produced by impropergrounding are obvious. Sometimes filters and other expensive devices are added toreduce the effects of problems caused by poor grounding. There ca...
Page 65 - D-2 Voltage Surge Protection; Figure D-2 WYE Configurations
D-2 Voltage Surge Protection MN850 Figure D-2 WYE Configurations Ungrounded L1 L1L2L3 L2 L3 T1 T2 T3 Control Enclosure Symbol Grounded orHigh Resistance Ground L1 L1 L2 L3 L2 L3 T1 T2 T3 Control Enclosure Symbol Do not ground MOV. Cut off green wire and insulate (cap off) with wire nut. MOV MOV
Page 66 - Voltage Surge Protection D-3; Figure D-3 Delta Configurations; Table D-1 Baldor MOV Specifications
Voltage Surge Protection D-3 MN850 Figure D-3 Delta Configurations Ungrounded L1 L1 L2L3 L2 L3 T1 T2 T3 Control Enclosure Symbol Corner or Center–Tap Grounded L1 L1L2L3 L2 L3 T1 T2 T3 Control Enclosure Symbol Do not ground MOV. Cut off green wire and insulate (cap off) with wire nut. Do not ground M...
Page 67 - D-4 Voltage Surge Protection
Page 69 - Remote Keypad Mounting Template; diameter hole; Note: Template may be distorted due to reproduction.
Section 1General Information E-2 Appendix MN850 Remote Keypad Mounting Template Four PlacesTapped mounting holes, use #29 drill and 8-32 tap(Clearance mounting holes, use #19 or 0.166 ″ drill) 4.00 2.500 1.250 1.340 4.810 5.500 1- 11 / 16 ″ diameter hole Use 1.25 ″ conduit knockout (B) (A) (A) (A) (...
Page 70 - BALDOR ELECTRIC COMPANY
Baldor Electric Company MN850 Printed in USA 5/03 C&J1500 BALDOR ELECTRIC COMPANY P.O. Box 2400 Ft. Smith, AR 72902–2400 (479) 646–4711 Fax (479) 648–5792 www.baldor.com 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...
