Serial Communications 14-1
590 Series DC Digital Converter
14 SERIAL COMMUNICATIONS
Main Serial Port (P1)
The plug-in COMMS Option Board provides a serial data port, allowing Converters to be linked
to form a network. Using a PLC/SCADA or other intelligent device, this network can be
continuously controlled to provide supervision and monitoring for each Converter in the system.
Refer to the COMMS Option Board Technical Manual for further details.
Aux Serial Port (P2)
This is an un-isolated RS422 using the EI-BISYNCH protocol, it can be used to connect to any
suitable unit point-to-point.
1 2 3 4 5 6
P2 Port Pin Signal
1 RXA
2 0V
3 +24V
4 RXB
5 TXB
6 TXA
Auxiliary Port (P2) Set-up
The P2 port requires configuring using the MMI before a unit is
connected. Remember to perform a PARAMETER SAVE on the
Converter.
Refer to Chapter 6: “Programming Your Application” - AUX PORT
(P2) for parameter details.
5721 Operator Station
The main purpose for the P2 port is to connect the 5721 Operator
Station for controlling the 5720 Quadraloc controller. Refer to the
5721 Operator Station Technical Manual for further details.
MMI Menu Map
1
SERIAL LINKS
2
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