Delta DVP-SS2 User Manual

DVP-ES2/EX2/EC5/SS2/SA2/SX2/SE&TP Operation Manual - Programming
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Program Example: COM2 (RS-485)
1. Communication between PLC and VFD-A series inverter. Retry for communication time-out and
data receiving error.
M1002
MOV H0073 D1120
SET M1120
MOV
K100
D1129
RST
M1127
M1127
X0
FWD
K0 K500 K1
SET
M1122
M1129
M1142
X0
Retry when receiving time-out occurs
Retry when data receiving error
Processing received data
Receiving completed
Communication instruction setting:
Device address: 0
Frequency: 500Hz
K1: communicate with the designated VFD
S e t u p communication protocol as
4800, 8, O, 1
Retain communication protocol
S e t u p c o m m u n ic a tio n tim e -o u t: 1 0 0 m s
Sending request
Reset M1127
The re ceive d data is s tored in low byte
of D1070 ~ D1080 in ASCII format.
PLC  VFD-A, PLC sends: “C ♥  0001 0500 ”
VFD-A  PLC, PLC receives: “C ♥ ♠ 0001 0500 ”
Registers for data to be sent (sending messages)
Register
Data
Descriptions
D1089 low
‘C’
43 H
Header of control string
D1090 low
‘♥’
03 H
Checksum
D1091 low ‘’ 01 H
Command acknowledgement
(communication mode)
D1092 low
‘0’
30 H
Communication address
D1093 low
‘0’
30 H
D1094 low
‘0’
30 H
D1095 low
‘1’
31 H
D1096 low
‘0’
30 H
Operation command
D1097 low
‘5’
35 H
D1098 low
‘0’
30 H
D1099 low
‘0’
30 H

Delta DVP-SS2 Specifications

General

Brand	Delta
Model	DVP-SS2
Category	Controller
Language	English