M5xx Monitoring Channels' Assignment

N.B. For firmware revisions 0.3.01.00 and later only.

Structure byte 11

Read/Write

Any one of the M5xx's channels can be set up to monitor one of several input measurements.
One value from the table below can be entered in the structure's byte 11 to assign the relay, or read from it.

Value Parameter
1       Volts (V)
2       Current (A)
3       Frequency (Hz)
4       Power (W)
5       Reactive Power (VAr)
6       Apparent Power (VA)
7       Reverse Power (-W)
8       Reverse Reactive Power (-VAr)
9       Phase/Line voltage difference (Vbal)
10     IMPORT Watt Demand (Wd)
11     EXPORT Watt Demand (-Wd)
12     VA Demand (Vad)
13     A Demand (Ad)

For M553 dc models
Value Parameter
1       Volts (V)
2       Current (A)
3       Power (W)
4       Reverse Power (-W)
5       Import Amp Demand (Ad)
6       Export Amp Demand (-Ad)
7       Import Watt Demand (Wd)
8       Export Watt Demand (-Wd)

There is error checking, and values outside the above range result in an ref="ExceptionCodes.htm" >ILLEGAL DATA error code
being returned.

Write Code Example
Read Code Example