Yokogawa JUXTA M Series Digital Limit Alarms MVTK Manuel d'utilisateur Page 43

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<Toc> <Ind> <4. Ladder Communication >
4-3
IM 77J04J11-01E 1st Edition : 2006.08.25-00
4.2.2 Reading Parameters
Shown below are the configurations of commands and responses when parameters in the
M Series are read by the PLC. (The maximum number of data items to be read is 64.)
Command/Response
Data of parameter number (n)
Data of parameter number (a) Data of parameter number (b)
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)
0000 Number of
read data
(n)
21111
1422111
CR
(0D)
LF
(0A)
00+/-0 ddddn
Number of Bytes 1 1 2
Number of BCD Digits 2 2 4
Response element Address
number
(ADR)
Parameter
number
CPU
number
01
211
14111
00+/-0 dddd1
211
14111
00+/-0 dddd2
Example:
Reading the input value (D0003) of the M Series with address number 01.
[Command]
01010003000000010D0A
The input value 500 (BCD code) is returned with respect to the above command (50.0 is
expressed as 500).
[Response]
01010003000005000D0A
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