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Yokogawa Data Acquisition with PID Control CX2000 User Manual

Page 129

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5-19

IM 04L31A01-17E

5

Ladder Communication Protocol

• Reception processing: Receive the data of CH5 to CH8.

X2A

1084

FROMP H2 H0A00 D200 K1

FROMP H2 H0A01 D201 K0Z0

MOVP D200 Z0

Read
request
flag

CPU No.

address

Rx read

end

Data size

Data size

First D register

5

th

digit and sign

information of CH5

CH5 data

SWAPP D201

SWAPP D202

Y28

SWAPP D203

SWAPP D204

5

th

digit and sign

information of CH6

SWAPP D205

= K3 C0

Interval
counter

1372

1371

P124

END

CH7 data

5

th

digit and sign

information of CH7

CH6 data

5

th

digit and sign

information of CH8

SWAPP D206

SWAPP D207

SWAPP D208

SWAPP D209

CH8 data

SWAPP D210

CJ P124

5.5 Communication Program for MELSEC