Delta DVP-ES2 - Manual (Page 467)

3 . I n s t r u c t i o n S e t
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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
H87 MOV
M1002
D1120
SET M1120
K100 MOV D1129
RST M1127
Set communication protocol as 9600, 8, E, 1
Retain communication protocol
Set receiving timeout as 100ms
MODRW K15 K1
X0
H0500 D0 K16
Connection device
address: K1
Function code: K15
Write in multiple bit devices
Data address: H0500
Data storing register
Data length(bit)
Processing received data
ASCII mode: The received data is stored in in ASCII format. D1070~D1085
RTU mode: The received data is stored in D1070~ in Hex format. D1085
Reset M1127
M1127
SET
X0
M1122 Sending request
M1143 = OFF
ASCII mode
RST M1143
M1143 = ON
RTU mode
SET M1143
Receiving completed
ASCII mode (M1143 = OFF)
When X0 = ON, MODRW instruction executes the function specified by Function Code H0F.
PLC1 Ö PLC2, PLC sends: “ 01 0F 0500 0010 02 3412 93 ”
PLC2 Ö 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
D1259 上 ‘0’ 30 H
Data Address