3-20 Installing the Drive
650V AC Drive
RS485 Communications Option
You can create a network of drives by linking a Master (PC/PLC) to one or more 650V drives
fitted with this optional 3-way terminal. It is factory-fitted to the right hand side of the control
board.
Signals from the host 650V drive are converted into RS485, and vice versa, so that information
can be shared between the Master and 650V drive(s).
Wiring is very simple - all connections are SELV (Safe Extra Low Voltage).
RS485 Connections
master to single/multiple slave
9-Way / 25-Way
D-Type
PC/PLC
A
B
To PC/PLC
Chassis
A
B
Scn
650V Drive
with
RS485 option
Connector
A
B
Scn
650V Drive
with
RS485 option
Master
PC/PLC
Drive
DriveDrive
Wiring Specifications
RS485 Connections
Network Type
2-Wire Shielded Twisted-Pair
Connections
A=RxA/TxA, B=RxB/TxB, Scn = Screen (shield)
Signal Levels
To RS485 Standard
Receiver Input Impedance
¼ Unit Load
Maximum Cable Length
1200m (4000ft)
Maximum Baud Rate
57.6kbaud
Maximum Number of Units
32 including slaves and masters
Configure the Drive
You must configure the drive to your system. Set-up the parameters in the SERIAL menu as
appropriate. For further information refer to the RS485/RS232 Communications Interface
Technical Manual, HA466357U001.
For Tag number information refer to the 650V Software Product Manual, available on the
Parker SSD Drives website: www.parker.com/ssd
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