Delta DVP-ES2

3. Instruction Set
3-375
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 Low byte
‘0’
30 H
ADR 1
Device address: ADR (1,0)
D1256 High byte
‘1’
31 H
ADR 0
D1257 Low byte
‘0’
30 H
CMD 1
Control parameter: CMD (1,0)
D1257 High byte
‘F’
46 H
CMD 0
D1258 Low byte
‘0’
30 H
Data Address
D1258 High byte
‘5’
35 H
D1259 Low byte
‘0’
30 H
D1259 High byte
‘0’
30 H
D1260 Low byte
‘0’
30 H
Number of Data (count by bit)
D1260 High byte
‘0’
30 H
D1261 Low byte
‘1’
31H
D1261 High byte
‘0’
30 H
D1262 Low byte
‘0’
30 H
Byte Count
D1262 High byte
‘2’
32 H
D1263 Low byte
‘3’
33 H
Data contents
1234H
Content of register D0
D1263 High byte
‘4’
46 H
D1264 Low byte
‘1’
33 H
D1264 High byte
‘2’
46 H
D1265 Low byte
‘9’
39 H
LRC CHK 1
Checksum: LRC CHK (0,1)
D1265 High byte
‘3’
33 H
LRC CHK 0
Registers for received data (responding messages)
Register
Data
Descriptions
D1070 Low byte
‘0’
30 H
ADR 1
D1070 High byte
‘1’
31 H
ADR 0
D1071 Low byte
‘0’
31 H
CMD 1
D1071 High byte
‘F’
46 H
CMD 0
D1072 Low byte
‘0’
30 H
Data Address
D1072 High byte
‘5’
35 H
D1073 Low byte
‘0’
30 H
D1073 High byte
‘0’
30 H
D1074 Low byte
‘0’
30 H
Number of Data(count by bit)
D1074 High byte
‘0’
30 H
D1075 Low byte
‘1’
31 H
D1075 High byte
‘0’
30 H
D1076 Low byte
‘D’
44 H
LRC CHK 1
D1076 High byte
‘B’
42 H
LRC CHK 0