ProMA Series
User Manual
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2.5
Wiring Description
2.5.1
Power Connection
Recommended power supply
Rating of 12V and 3A
To share the device’s power with other devices, use a power supply with higher current ratings.
2.5.2
Lock Relay Connection
The system supports both Normally Opened Lock and Normally Closed Lock. The NO Lock (normally
opened when powered) is connected with ‘NO1’ and ‘COM1’ terminals, and the NC Lock (normally closed
when powered) is connected with ‘NC1’ and ‘COM1’ terminals. The power can be shared with the lock or
can be used separately for the lock, as shown in the example with NC Lock below:
