Delta RS-232 Instruction Sheet

DELTA
VFD-CMD 04/08 Instruction Sheet
To complete the communication function between VFD series AC motor drives and
DVP series PLC, Delta develops multi-machine communication board.
RS-232 communication port of PC connects to the input terminal of this
multi-machine board via RS-232/RS485 converter. An AC motor drive can connect
to multiple AC motor drives by using this communication board (1 to 4/8) to control
multi-machine communication. Refer to the following diagrams for details.
PC
PC PLC
RS485 Splitter
INPUT
SG- SG+
6 5 4 3 2 1
OUT_1 OUT_2
OUT_3 OUT_4
VFD-CMD04
RS-232
DVP PLC
DATA-
DATA+
RS-485
INPUT
SG-
OUT_1
OUT_3
ADDRESS
1
1 ~ 8

multi-machine communication board

VFD-CMD08
AC POWER SUPPLY
SG+
65432 1
OUT_2
OUT_4
3 4
2
INPUT
SG- SG+
65432 1
OUT_1 OUT_2
OUT_3 OUT_4
5
6
7
AC motor drives
8