Instruction Manual

4-4
<Toc> <Ind> <4. Ladder Communication >
IM 77J04J11-01E 1st Edition : 2006.08.25-00
4.2.3 Writing Parameters
Shown below are the configurations of commands and responses when the parameters
are written into the M Series from the PLC.
● Command/Response
Number of Bytes 1 1 221111
Number of BCD Digits 2 2 1 4422111
Command element Address
number
(ADR)
Parameter
number
CPU
number
01
CR
(0D)
LF
(0A)
01+/-0 dddd
Number of Bytes 1 1 221111
Number of BCD Digits 2 2 1 4422111
Response element Address
number
(ADR)
Parameter
number
CPU
number
01
CR
(0D)
LF
(0A)
01+/-0 dddd
● Example:
Writing 200 into the alarm-1 setpoint (D0101) of the M Series with address number 01.
[Command]
01010101001002000D0A
The alarm-1 setpoint 200 (BCD code) is returned with respect to the above command (20.0
is expressed as 200).
[Response]
01010101001002000D0A