M2A Transmitter Operator’s Manual 79
Appendix C: Function Code 16 Registers
The M2A supports Function Code 16 that allows writing to the M2A. There are 21 registers in this Function
Code.
Register 1
Register 1 is the alarm 1 set point.
Value must be an integer. Any decimals are omitted.
Register 2
Register 2 is the alarm 1 trigger.
0=Decreasing
1=Increasing
Register 3
Register 3 is the alarm 1 relay state.
0=Normally De-Energized
1=Normally Energized
Register 4
Register 4 is the alarm 1 relay reset.
0=Latching
1=Self-Resetting
Register 5
Register 5 is the alarm 1 ON delay.
Integer value is in seconds.
Register 6
Register 6 is the alarm 1 OFF delay.
Integer value is in seconds.
Register 7
Register 7 is the alarm 2 set point.
Value must be an integer. Any decimals are omitted.
The decimal point location is the same as specified in Register 1 of Function Code 03.
Register 8
Register 8 is the alarm 2 trigger.
0=Decreasing
1=Increasing
Register 9
Register 9 is the alarm 2 relay state.
0=Normally De-Energized
1=Normally Energized
Register 10
Register 10 is the alarm 2 relay reset.
0=Latching
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