Delta DVP-ES2 - Manual (Page 390)

D V P - E S 2 / E X 2 / S S 2 / S A2 / S X 2 / S E O p e r a t i o n M a n u a l - P r o g r a m m i n g
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Program Example 1:
Communication between PLC and VFD-B series AC motor drives (ASCII Mode, M1143 = OFF)
MOV D1120 H87
M1002
SET M1120
M1127
RST M1127
Receiving
completed
Set communication protocol as 9600, 8, E, 1
Retain communication protocol
Set receiving timeout as 100ms
Processing received data
Reset M1127
Sending request
X1
X0
Set communication instruction:
Data address: H0100
Data: H1770
Device address: 01
The received data is stored in
D1070~D1085 in ASCII format.
MOV D1129 K100
SET M1122
MODWR H0100 K1 H1770
PLC
→ VFD-B, PLC transmits: “01 06 0100 1770 71 ”
VFD-B
→ PLC, PLC receives: “01 06 0100 1770 71 ”
Registers for data to be sent (sending messages)
Register Data Descriptions
D1089 low ‘0’ 30 H ADR 1
D1089 high ‘1’ 31 H ADR 0
Address of AC motor drive: ADR
(1,0)
D1090 low ‘0’ 30 H CMD 1
D1090 high ‘6’ 36 H CMD 0
Command code of AC motor
drive: CMD (1,0)
D1091 low ‘0’ 30 H
D1091 high ‘1’ 31 H
D1092 low ‘0’ 30 H
D1092 high ‘0’ 30 H
Data address
D1093 low ‘1’ 31 H
D1093 high ‘7’ 37 H
D1094 low ‘7’ 37 H
D1094 high ‘0’ 30 H
Data contents
D1095 low ‘7’ 37 H LRC CHK 1
D1095 high ‘1’ 31 H LRC CHK 0
Checksum: LRC CHK (0,1)