Specifications

4P357732-1 – 2014.04 Page 44 of 58
button On
Lock
1: Disable
On/off lock
(Note: There is no related input register with actual value)
Additional information concerning the lock function.
Situation 1: A DIII unit that lost communication to Modbus Interface DIII (due to wire communication
problem or power outage of Modbus InterfaceDIII):
Consequence: After some minutes, the lock will automatically be de-acivated by the DIII unit.
Modbus Interface DIII required actions to return to the previous state:
In case Modbus Interface DIII also had a power outage:
After the power is restored and the DIII unit is discovered then re-activation (holding
register set) of lock functions is required.
In case Modbus Interface DIII lost communication with DIII unit:
After re-discovery, de-activation (holding register reset) and re-activation (holding
register set) of lock functions is required.
Situation 2: A power outage of a DIII unit only
Consequence: After the power is restored, the lock is automatically activated again.
Modbus Interface DIII required actions: none
Situation 3: A power outage of a DIII unit and Modbus Interface DIII at the same time:
Consequence: After the power is restored, the lock is de-acivated.
Modbus Interface DIII required actions to return to the previous state:
After the power is restored and the DIII unit is discovered, re-activation (holding register
set) of lock functions is required.