RKI Instruments M2 Rig Monitor - Manual (Page 51)

M2 Rig Monitor Operator’s Manual 46
Appendix B: Function Code 16 Registers
The M2 Rig Monitor supports Function Code 16 that allows writing to the Rig Monitor.
There are 21 registers in this Function Code. The register assignments detailed below were
implemented in M2 Rig Monitor firmware version 5.0. Please see revision B of the M2
manual if you have an M2 Rig Monitor with a firmware version previous to 5.0.
WARNING: Do not attempt to use registers according to the instructions below with
units that have firmware versions previous to 5.0. For the Modbus register
assignments of M2 Rig Monitors with firmware previous to 5.0, see
revision B of the M2 Operator’s Manual. The firmware version is shown
on the Information Screen described on page 17.
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