Watson-Marlow MM420 User Manual
Page 184
5 MICROMASTER 420 specifications
Issue 10/06
MICROMASTER 420 Operating Instructions
184
6SE6400-5AA00-0BP0
Table 5-1
MICROMASTER Performance Ratings
Feature Specification
Mains operating voltage
and
Power ranges
1 AC 200 V to 240 V
± 10 %
0,12 kW – 3,0 kW
(0,16 hp – 4,0 hp)
3 AC 200 V to 240 V
± 10 %
0,12 kW – 5,5 kW
(0,16 hp – 7,5 hp)
3 AC 380 V to 480 V
± 10 %
0,37 kW – 11,0 kW (0,50 hp – 15,0 hp)
Input frequency
47 Hz to 63 Hz
Output frequency
0 Hz to 650 Hz
Power factor
≥ 0,7
Inverter efficiency
96 % to 97 %
Overload capability
50 % overload capability for 60 s within 5 min period referred to the rated output
current
Inrush current
Less than nominal input current
Power-ON-OFF cycle time
Every 30 s
Control method
Linear V/f Control; Linear V/f with Flux Current Control (FCC),
Quadratic V/f Control; Multi-point V/f control
Pulse frequency
2 kHz to 16 kHz (2 kHz steps)
Fixed frequencies
7, programmable
Skip frequencies
4, programmable
Setpoint resolution
0.01 Hz Digital, 0.01 Hz Serial, 10 bit Analogue
(motor potentiometer 0.1 Hz [0.1% (in PID mode)])
Digital inputs
3, programmable (isolated), switchable active high / active low (PNP/NPN)
Analogue input
1, (0 to 10 V) used for frequency setpoint or PI feedback signal, scalable or
usable as 4
th
digital input
Relay output
1, programmable 30 V DC / 5 A (resistive), 250 V AC / 2 A (inductive)
Analogue output
1, programmable (0 mA to 20 mA)
Serial interface
RS-485, Option RS-232
Electromagnetic compatibility
Optional EMC filters to EN55011 Class A or B,
also Internal Class A filters available
Braking
DC braking, compound braking
Protection level
IP20
Temperature range
-10
°C to +50 °C (14 °F to 122 °F)
Storage temperature
-40
°C to +70 °C (-40 °F to 158 °F)
Humidity
< 95 % RH – non-condensing
Operational altitudes
up to 1000 m above sea level without derating
Protection features
Undervoltage , Overvoltage, Overload, Ground Faults, Short circuit, Stall
Prevention, Motor Blocking Protection, Motor Overtemperature, Inverter
Overtemperature, Parameter Interlock
Standards
UL, cUL, CE, C-tick
CE Marked
Conformity with EC Low Voltage Directive 73/23/EEC
and Electromagnetic Compatibility Directive 89/336/EEC