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Q. What is the auxiliary input contact (CMD)
on the input module of the UDM meters?
The function CMD input is defined during the
programming of the meter and can be set as follows : - Hold function:
when closing the contact, the display value is frozen. - Key-pad disabling:
when closing the contact, it is not possible to enter the programming
mode, to reset the peak and valley values, to modify the setpoints.
- Reset of latch alarms: the contact is used to reset the latch alarm
without the need to reset them using the key-pad.
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