Yokogawa Data Acquisition with PID Control CX2000 - Manual (Page 121)

5-11
IM 04L31A01-17E
5
Ladder Communication Protocol
(0032)
(0034)
(0033)
00061N Number of transmitted
characters = 10
STN = 01, CPU = 01
Read data of CX2000 communication input channels 1 to 4
(0035)
(0036)
(0037)
(0038)
(0039)
(0040)
(0041)
100201
X00302
X00301
X00301
I00401
D00201 MOV 10
D00202 MOV
MOV
MOV
MOV
MOV
$101
$5001
$0
$4
$DOA
D00203
D00204
D00205
D00206
6 3 301 WRITE D00201
1 READ 3
Y00334 SET
I00201 RST
Measurement input
register number
Read
Number of registers = 4
Terminator
Write to transmission
buffer
Transmission command
relay
Reset command
transmission FLAG
RESET transmission
command relay
Y00334 RST
(0042)
00080N
Retrieve response
data
34 D00221
(0043)
00082N
Y00333 SET
(0044)
RESET
read end relay
Read end relay
Y00333 RST
(0045)
00088N
5.4 Communication Program for FA-M3