Delta DVP-EX2

3. Instruction Set
3-379
ASCII mode (M1143 = OFF)
When X0 = ON, MODRW instruction executes the function specified by Function Code H10
PLC VFD-B, PLC transmits: “01 10 2000 0002 04 1770 0012 30”
VFDPLC, PLC receives: “01 10 2000 0002 CD”
Registers for data to be sent (sending messages)
Register
Data
Descriptions
D1256 Low byte
‘0’
30 H
ADR 1
Address of VFD: ADR (1,0)
D1256 High byte
‘1’
31 H
ADR 0
D1257 Low byte
‘1’
31 H
CMD 1
Control parameter: CMD (1,0)
D1257 High byte
‘0’
30 H
CMD 0
D1258 Low byte
‘2’
32 H
Data Address
D1258 High byte
‘0’
30 H
D1259 Low byte
‘0’
30 H
D1259 High byte
‘0’
30 H
D1260 Low byte
‘0’
30 H
Number of Register
D1260 High byte
‘0’
30 H
D1261 Low byte
‘0’
30 H
D1261 High byte
‘2’
32 H
D1262 Low byte
‘0’
30 H
Byte Count
D1262 High byte
‘4’
34 H
D1263 Low byte
‘1’
31 H
Data contents 1
The content of register D50:
H1770(K6000)
D1263 High byte ‘7’ 37 H
D1264 Low byte
‘7’
37 H
D1264 High byte
‘0’
30 H
D1265 Low byte
‘0’
30 H
Data contents 2
The content of register D51:
H0012(K18)
D1265 High byte
‘0’
30 H
D1266 Low byte
‘1’
31 H
D1266 High byte
‘2’
32 H
D1267 Low byte
‘3’
33 H
LRC CHK 1
LRC CHK (0,1) is error check
D1267 High byte
‘0’
30 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
‘1’
31 H
CMD 1
D1071 High byte
‘0’
30 H
CMD 0
D1072 Low byte
‘2’
32 H
Data Address
D1072 High byte
‘0’
30 H
D1073 Low byte
‘0’
30 H
D1073 High byte
‘0’
30 H
D1074 Low byte
‘0’
30 H
Number of Register
D1074 High byte
‘0’
30 H
D1075 Low byte
‘0’
30 H
D1075 High byte
‘2’
32 H
D1076 Low byte
‘C’
43 H
LRC CHK 1
D1076 High byte
‘D’
44 H
LRC CHK 0