CET Electric Technology
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Table 4-8 Setpoint Triggers
Only when DOx Mode is set to Remote Control/Setpoint would setting the Setpoint Trigger to DOx
Closed valid. In addition,
Only when the PMC-53A’s Basic Function option is “3” (4xDI+3xRelay Output) or “A”
(4xDI+2xSS Pulse Output) would setting the Setpoint Trigger to DO1 Closed or DO2 Closed
have meaning.
Only when the Expansion Module B is equipped with the “2xDI + 2xDO (Relay Output)” or
“2xDI + 2xSS Pulse Output” options would setting the Setpoint Trigger to DO3 Closed or DO4
Closed have meaning.
4.5 Logging
4.5.1 Max./Min. Log
The PMC-53A records the Max. Log and Min. Log of This Month (Since Last Reset) and Last Month
(Before Last Reset) with timestamp for 45 parameters. Each log includes the relevant parameter value
and its timestamp. The recorded data is stored in non-volatile memory and will not suffer any loss in
the event of a power failure. The PMC-53A’s Max./Min. Log records the following parameters:
* Available in Firmware V1.00.06 or later
Table 4-9 Max./Min. Log
The same Self-Read Time for the Peak Demand Log is used to specify the time and day of the month
for the Max./Min. Self-Read operation. Please refer to Section 4.2.4 for a complete description of the
Self-Read Time and its operation. The Max./Min. Log of This Month can be reset manually from the
Front Panel or via communications.
4.5.2 Peak Demand Log
The PMC-53A records the Peak Demand of This Month (Since Last Reset) and Last Month (Before Last
Reset) with timestamp for Ia, Ib, Ic, kW Total, kvar Total and kVA Total as well as kW Total, kvar Total and
kVA Total for TOU Tariffs 1 to 8. The Peak Demand of This Month (Since Last Reset) can be accessed from
the Front Panel as well as communications while the Peak Demand of Last Month (Before Last Reset)
can only be retrieved through communications. Please refer to Section 4.2.4 for a complete description
of the Self-Read Time and its operation.
Peak Demand Logs of This Month (Since Last Reset) and Last Month (Before Last Reset)