Page 2 - Warnings, Cautions and Notes; Specific Warnings, Cautions and Notes; that apply to particular activities are; WARNING; dangerous rotating mechanical parts. Non-compliance with; Warnings; or failure; NOTES; missing or damaged labels.
Warnings, Cautions and Notes Issue 10/06 MICROMASTER 420 2 Operating Instructions (Compact) Warnings, Cautions and Notes The following Warnings, Cautions and Notes are provided for your safety and as a means of preventing damage to the product or components in the machines connected. Specific Warnin...
Page 3 - Contents; Establishing communications MICROMASTER 420
Issue 10/06 Contents MICROMASTER 420 Operating Instructions (Compact) 3 Contents 1 Installation ............................................................................................................... 4 1.1 Clearance distances for mounting ........................................................
Page 4 - Installation; Clearance distances for mounting; Side of cabinet enclosure; dimensions; Frame; Bolts Nm
1 Installation Issue 10/06 MICROMASTER 420 4 Operating Instructions (Compact) 1 Installation 1.1 Clearance distances for mounting The inverters can be mounted adjacent to each other. If they are mounted on top of each other, however, a clearance of 100 mm has to be observed. Side of cabinet enclosur...
Page 5 - Electrical Installation; Electrical; Specifications
Issue 10/06 2 Electrical Installation MICROMASTER 420 Operating Instructions (Compact) 5 2 Electrical Installation 2.1 Technical Specifications 1 AC 200 V – 240 V 2AB Order No. 6SE6420- 2UC 11- 2AA1 12- 5AA1 13- 7AA1 15- 5AA1 17- 5AA1 21- 1BA1 21- 5BA1 22- 2BA1 23- 0CA1 Frame Size A B C kW 0.12 0.25...
Page 6 - Terminals; terminals; Terminal Designation Function
2 Electrical Installation Issue 10/06 MICROMASTER 420 6 Operating Instructions (Compact) 2.2 Power Terminals You can gain access to the mains and motor terminals by removing the front covers. SDP (BOP/AOP) release and remove Push the terminal cover down Fig. 2-1 Removing Front Covers L2/N L3 L1/L U ...
Page 7 - diagram; Inverter block diagram
Issue 10/06 2 Electrical Installation MICROMASTER 420 Operating Instructions (Compact) 7 2.4 Block diagram PE 1/3 AC 200 - 240 V 3 AC 380 - 480 V SI PE L/L1, N/L2 L/L1, N/L2, L3 L1, L2, L3 = 3 ~ PE U,V,W M A/D +10 V 0 V 0 - 20 mA max. 500 Ω CPU RS485 D/A ~ = ADC+ ADC- DIN1 DIN2 DIN3 DAC+ DAC- P+ N- ...
Page 8 - Factory setting; Factory; Further factory setting:; Setpoint source; Motor cooling; Input/Output Terminals
3 Factory setting Issue 10/06 MICROMASTER 420 8 Operating Instructions (Compact) 3 Factory setting The MICROMASTER 420 frequency inverter is set in the factory so that it can be operated without any additional parameterization. To do this, the motor parameters set in the factory (P0304, P0305, P0307...
Page 9 - Communications; communications; STARTER; AOP; analog to STARTER and MM420.; AOP at the BOP link
Issue 10/06 4 Communications MICROMASTER 420 Operating Instructions (Compact) 9 4 Communications 4.1 Establishing communications MICROMASTER 420 ⇔ STARTER The following optional components are additionally required in order to establish communications between STARTER and MICROMASTER 420: ¾ PC <-&...
Page 10 - AOP as control unit
4 Communications Issue 10/06 MICROMASTER 420 10 Operating Instructions (Compact) AOP as control unit Parameter / Terminal AOP on BOP link AOP on COM link Command source / P0700 4 5 P1000 1 P1035 2032.13 (2032.D) 2036.13 (2036.D) P1036 2032.14 (2032.E) 2036.14 (2036.E) Frequency setpoint (MOP) Output...
Page 11 - Buttons and their Functions; Function Effects
Issue 10/06 5 BOP / AOP (Option) MICROMASTER 420 Operating Instructions (Compact) 11 5 BOP / AOP (Option) 5.1 Buttons and their Functions Panel/ Button Function Effects Indicates Status The LCD displays the settings currently used by the converter. Start converter Pressing the button starts the conv...
Page 13 - Commissioning; commissioning; Allows access into most frequently used parameters
Issue 10/06 6 Commissioning MICROMASTER 420 Operating Instructions (Compact) 13 6 Commissioning 6.1 Quick commissioning The frequency inverter is adapted to the motor using the quick commissioning function and important technological parameters are set. The quick commissioning shouldn't be carried-o...
Page 15 - Commissioning the application
Issue 10/06 6 Commissioning MICROMASTER 420 Operating Instructions (Compact) 15 P1300 =... Control mode (enters the required control mode) 0 V/f with linear characteristic 1 V/f with FCC 2 V/f with parabolic characteristic 3 V/f with programmable characteristic P3900 = 1 End of quick commissioning (...
Page 16 - Selection of command source; Function of digital input 1
6 Commissioning Issue 10/06 MICROMASTER 420 16 Operating Instructions (Compact) 6.2.2 Selection of command source P0700 =... Selection of command source Selects digital command source. 0 Factory fault setting 1 BOP (keypad) 2 Terminal 4 USS on BOP link 5 USS on COM link 6 CB on COM link P0700 = 2 Se...
Page 17 - Invert digital output; of; Selection of frequency setpoint
Issue 10/06 6 Commissioning MICROMASTER 420 Operating Instructions (Compact) 17 6.2.4 Digital output (DOUT) P0731 =... BI: Function of digital output 1* Defines source of digital output 1. P0748 = 0 Invert digital output Defines high and low states of relay for a given function. Common Settings: 52....
Page 18 - Value y1 of ADC scaling
6 Commissioning Issue 10/06 MICROMASTER 420 18 Operating Instructions (Compact) 6.2.6 Analog input (ADC) P0757 =... Value x1 of ADC scaling P0758 =... Value y1 of ADC scaling This parameter represents the value of x1 as a % of P2000 (reference frequency). P0759 =... Value x2 of ADC scaling P0760 =.....
Page 19 - Defines function of the 0 - 20 mA analog output.
Issue 10/06 6 Commissioning MICROMASTER 420 Operating Instructions (Compact) 19 6.2.7 Analog output (DAC) P0771 =... CI: DAC Defines function of the 0 - 20 mA analog output. P0773 =... Smooth time DAC Defines smoothing time [ms] for analog output signal. This parameter enables smoothing for DAC usin...
Page 22 - frequencies; Reference frequency; control; Control mode; V/f with parabolic characteristic; Continuous boost; Acceleration boost
6 Commissioning Issue 10/06 MICROMASTER 420 22 Operating Instructions (Compact) 6.2.12 Reference/limit frequencies P1080 =... Min. frequency (entered in Hz) Sets minimum motor frequency [Hz] at which motor will run irrespective of frequency setpoint. If the setpoint falls below the value of P1080, t...
Page 23 - Starting boost; Slip compensation
Issue 10/06 6 Commissioning MICROMASTER 420 Operating Instructions (Compact) 23 P1312 =... Starting boost (entered in %) Voltage boost when starting (after an ON command) when using the linear or square-law V/f characteristic as a % relative to P0305 (rated motor current) or P0350 (stator resistance...
Page 24 - protection
6 Commissioning Issue 10/06 MICROMASTER 420 24 Operating Instructions (Compact) 6.2.14 Inverter/motor protection P0290 =... Inverter overload reaction Selects reaction of inverter to an internal over-temperature. 0 Reduce output frequency 1 Trip (F0004) 2 Reduce pulse frequency and output frequency ...
Page 25 - Functions; start; Flying start; restart; Automatic restart
Issue 10/06 6 Commissioning MICROMASTER 420 Operating Instructions (Compact) 25 6.2.15 Inverter-specific Functions 6.2.15.1 Flying start P1200 =... Flying start Starts inverter onto a spinning motor by rapidly changing the output frequency of the inverter until the actual motor speed has been found....
Page 26 - brake; Motor holding brake disabled; braking; controller
6 Commissioning Issue 10/06 MICROMASTER 420 26 Operating Instructions (Compact) 6.2.15.3 Holding brake P1215 =... Holding brake enable Enables/disables holding brake function (MHB). 0 Motor holding brake disabled 1 Motor holding brake enabled NOTE The following must apply when controlling the brake ...
Page 27 - Defines setpoint source for PID setpoint input.
Issue 10/06 6 Commissioning MICROMASTER 420 Operating Instructions (Compact) 27 6.2.15.7 PID controller P2200 =... BI: Enable PID controller PID mode Allows user to enable/disable the PID controller. Setting to 1 enables the PID controller. Setting 1 automatically disables normal ramp times set in P...
Page 28 - Typical applications for series commissioning include:; Parameter reset of factory setting; Commissioning parameter; setting; Factory reset; disabled
6 Commissioning Issue 10/06 MICROMASTER 420 28 Operating Instructions (Compact) 6.3 Series commissioning An existing parameter set can be transferred to a MICROMASTER 420 frequency inverter using STARTER or DriveMonitor (refer to Section 4.1 "Establishing communications MICROMASTER 420 ⇔ STARTER...
Page 29 - Displays and messages; LED status display; Fault messages and Alarm messages
Issue 10/06 7 Displays and messages MICROMASTER 420 Operating Instructions (Compact) 29 7 Displays and messages 7.1 LED status display LEDs for indicating the drive state OFF ON approx. 0.3 s, flashing approx. 1 s, twinkling Mains not present Fault inverter temperature Ready to run Warning current l...
Page 30 - Regional Contacts; America; Online Service & Support
MICROMASTER 420 Operating Instructions (Compact) Siemens AG Bereich Automation and Drives (A&D) Geschäftsgebiet Standard Drives (SD) Postfach 3269, D-91050 Erlangen Federal Republic of Germany © Siemens AG, 2004, 2006 Subject to change without prior notice Siemens Aktiengesellschaft Issue 10/06 ...
