Type Description Functionality Comments
IN4 Active low Alarms reset
Motor start and stop
Switch between main and auxili-
ary control modes
Programmable as Normally Open
or Normally Closed.
Relay outputs NO1 Normally Open STATUS relay
NO1, COM1: closed contact
with motor running.
NC1, COM1: closed contact
with motor stopped.
Potential-free contacts
Max 250 VAC, 2 A
Max 30 VDC, 2 A
COM
1
Common
NC1 Normally Closed
Relay outputs NO2 Normally Open ALARM relay
NO2, COM2: closed contact
without alarm.
NC2, COM2: closed contact
with alarm or without power
supply.
Potential-free contacts
Max 250 VAC, 2 A
Max 30 VDC, 2 A
COM
2
Common
NC2 Normally Closed
RS485 serial port S1+ Positive Communication
COMBO
-
S1- Negative -
G Serial GND The serial GND is isolated from the
signal GND
RS485 serial port S2+ Positive Communication
MODBUS RTU
-
S2- Negative -
G Serial GND The serial GND is isolated from the
signal GND
8. Commissioning
8.1. Preliminary checks
Before supplying power to the device, carry out the following electrical and mechanical checks:
• Check that the device complies with the motor control according to its data plate.
• Verify proper grounding of the device, of the load, and of the entire system.
• Check the correct connection of the power supply cable and the motor cable, paying particular attention to any
connection reversal.
• Check the correct connection of the power and signal cables, paying particular attention to any polarity.
• Check that the connection terminals of the power and signal cables are correctly tightened.
• Check the implementation of electromagnetic compatibility (EMC) regulations and the correct connection of cable
shields.
• Check that the protective devices are present and correctly installed.
• Check that the mechanical installation is correct, sturdy and complies with environmental and cooling require-
ments.
• Check that the seals are intact and correctly positioned in their seats.
• Check that the cable glands and screws are properly tightened.
• Check that the device is completely closed and that live parts are not accessible.
8.2. Powering
DANGER
Before supplying power to the device, make sure you have read, understood and implemented all the
safety, mechanical, and electrical installation instructions.
At the end, it shall be possible to:
• power up the device.
• verify the correct switching on and the absence of alarm messages.
• perform programming.
MIDA
28
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