DVP-ES2-EX2-SS2-SA2-SX2-Operation Manual

DVP-ES2/EX2/SS2/SA2/SX2/SE Operation Manual - Programming
M1002
MOV
H87
D1109
Set communication protocol as 9600,8,E,1
SET
M1136
Retain communication setting
MOV
K100
D1252
Set communication timeout as 100ms
X0
X0
RST M1320 M1320 = OFF
SET M1320
ASCII mode
SET
MODRW
M1316
K1
Sending request
K3
H2100 D0 K6
M1320 = ON
RTU mode
Receiving completed
M1318
Processing received data
Data length(word)
Data st oring register
Data address: H2100
Function code: K3
Read multiple words
Connection device
address: K1
ASCII mode: The received data is converted to Hex value
and stored in registers starting from D0
RTU mode: The received data is stored in registers starting from D0
RST
M1318
Reset M1318
ASCII mode (COM3: M1320 = OFF, COM1: M1139 = OFF):
When X0 = ON, MODRW instruction executes the function specified by Function Code 03
PLC VFD-B, PLC sends: “01 03 2100 0006 D5”
VFD-B PLC, PLC receives: “01 03 0C 0100 1766 0000 0000 0136 0000 3B”
Registers for received data (responding messages)
Register Data Descriptions
D0 0100 H
D1 1766 H
D2 0000 H
D3 0000 H
D4 0136 H
PLC converts ASCII codes in 2100 H and stores the converted
data automatically.
PLC converts ASCII codes in 2101 H and stores the converted
data automatically.
PLC converts ASCII codes in 2102 H and stores the converted
data automatically.
PLC converts ASCII codes in 2103 H and stores the converted
data automatically.
PLC converts ASCII codes in 2104 H and stores the converted
data automatically.
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