Watson-Marlow Varmeca 30 - Manual (Page 8)

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INSTALLATION AND MAINTENANCE
VARMECA 30
Variable speed motor or geared motor
GENERAL INFORMATION
LEROY-SOMER 3776 en - 07.2007 / h
Pilot control VARMECA 30
Speed reference
- Analogue reference (0 V or 4 mA) = Minimum speed
(10 V or 20 mA) = Maximum speed
- 0 to 10 V with integrated potentiometer (B31/32 – B33/34 option)
- 0 to 10 V with remote potentiometer
- 4 to 20 mA with external reference
- Reference with internal potentiometer
- Digital references
- Fieldbus
Speed regulation
- Speed regulation with encoder feedback option for VMA 33 or 34 only
- Regulation of a reference with integrated PI loop
Run/Stop
- With power supply
- With remote volt-free contact
- With fieldbus
- With local run/stop control
Forward/Reverse
- With internal connection on the terminal block
- With remote volt-free contact
- With fieldbus
- With local run/stop control
Stop mode
- On ramps (using volt-free contact or integrated control)
- Freewheel
- With electromechanical brake
Ramps - Ramps adjustable from 0 to 600s
Fieldbus - PROFIBUS DP, INTERBUS S, DEVICENET, CAN OPEN, MODBUS RTU, LS NET
Protection VARMECA 30
Power
- Undervoltage (see notice 3847)
- Overvoltage (see notice 3847)
- Overloads (see notice 3847)
.thermal, drive and motor
.protection against locked rotor
- Short-circuit
.motor windings
- Overspeed (see notice 3847)
Control - Short-circuit on 0-10 V/24 V inputs or outputs
Drive reset
- By switching off the VARMECA 30 or by opening/closing the connection between the 24V
and ENA (VMA 31/32) terminals or SDI 1 and SDI 2 (VMA 33/34) terminals