RKI Instruments M2 for 12 VDC - Manual (Page 42)

37 M2 Transmitter Operator’s Manual, 12 V DC Operation
Register 39
Register 39 is the auto-zero disable.
0=AutoZero Enabled
1=AutoZero Disabled
Register 40
Register 40 is the remote configuration register access level.
0=None
1=Alarm Reset
Function Code 16: Write Registers
There are 21 registers in Function Code 16 that can be used to write to the M2. This
manual only describes Register 16 because it can be used to reset an alarm condition. For a
complete description of Function Code 16, request Appendix C from RKI Instruments,
Inc.
Register 16
Register 16 performs the same function as the ENTER button on the M2. It is useful for
remotely silencing alarms. With the M2 in an alarm condition, bit [0] can be used to silence
it.
Table 12: Register 16, Button Function
NOTE: Register 40 in Function Code 03, the remote configuration register, must be set
to 1 in order for Register 16 to work.
Bit Value & Field
[0] ENTER (also used for “Alarm Reset”)
0=Not Pressed
1=Pressed