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

3. Instruction Set
4. Take the connection between PLC1 (PLC COM2) and PLC2 (PLC COM1) for example, the
tables below explain the status when PLC1 force ON/OFF Y0~Y17 of PLC2.
Set value: K4Y0=1234H
Device Status Device Status Device Status Device Status
Y0 OFF Y1 OFF Y2 ON Y3 OFF
Y4 ON Y5 ON Y6 OFF Y7 OFF
Y10 OFF Y11 ON Y12 OFF Y13 OFF
Y14 ON Y15 OFF Y16 OFF Y17 OFF
M1002
MOV
H87
D1120
Set communication protocol as 9600, 8, E, 1
SET
M1120
Retain communication protocol
MOV
K100
D1129
Set receiving timeout as 100ms
X0
RST
SET
M1143
M1122
M1143 = OFF
ASCII mode
Sending request
SET
M1143
M1143 = ON
RTU mode
X0
MODRW
K1
K15
H0500 D0 K16
Receiving completed
M1127
Processing received data
Data length(bit)
Data storing register
Data address: H0500
Function code: K15
Write in multiple bit devices
Connection device
address: K1
ASCII mode: The received data is stored in D1070~D1085 in ASCII format.
RTU mode: The received data is stored in D1070~ D1085 in Hex format.
RST
M1127
Reset M1127
ASCII mode (M1143 = OFF)
When X0 = ON, MODRW instruction executes the function specified by Function Code H0F.
PLC1 PLC2, PLC sends: “ 01 0F 0500 0010 02 3412 93 ”
PLC2 PLC1, PLC receives: “ 01 0F 0500 0010 DB ”
Registers for data to be sent (sending messages)
Register Data Descriptions
D1256 下 ‘0’ 30 H ADR 1
D1256 上 ‘1’ 31 H ADR 0
Device address: ADR (1,0)
D1257 下 ‘0’ 30 H CMD 1
D1257 上 ‘F’ 46 H CMD 0
Control parameter: CMD (1,0)
D1258 下 ‘0’ 30 H
D1258 上 ‘5’ 35 H
D1259 下 ‘0’ 30 H
Data Address
D1259 上 ‘0’ 30 H
3-351