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INM 725B Rev 21
13 .4 .12 Write Single Register – Function 6 – Response
Register Address
The address of the register that has been written.
Data
This represents the data that has been written to the register.
Typical Example of Message Format
To write the input abnormal on channel 1 on node 1 the user would use the following
message format
RTU
ADDRESS
FUNCTION
REGISTER ADDRESS
No. of REGISTERS
ERROR CHECK
01
06
00 00
00 01
48 0A
ASCII
:
ADDRESS
FUNCTION
REGISTER
ADDRESS
No. of
Registers
ERROR
CHECK
CR
LF
3A
30 31
30 36
30 30 30 30
30 30 30 31
46 38
0D
0A
To write the acknowledge group 1 pushbutton of node 1 the user would use the following
message format
RTU
ADDRESS
FUNCTION
REGISTER ADDRESS
No. of REGISTERS
ERROR CHECK
01
06
01 01
00 01
18 36
ASCII
:
ADDRESS
FUNCTION
REGISTER
ADDRESS
No. of
Registers
ERROR
CHECK
CR
LF
3A
30 31
30 36
30 31 30 31
30 30 30 31
46 36
0D
0A
NOTE
On systems supplied before 1st Jan 2012 the input status is OR’d with the actual contact
state. If the input is serial only please ensure the contact type is set to Normally Open
and no customer wiring is made to the customer terminals located on the rear of the
associated cell.
With serial inputs 0 = Input Normal and 1 = Input Abnormal