Communication with meters and regulators by the West Instruments company
The West Instruments company (
https://www.west-cs.com) supplies a wide variety of meters (e.g.
6010+,
8010+) and regulators (e.g.
2300,
6500,
6100+,
8100+,
4100+,
6170+,
8170+,
4170+,
6120,
8200,
4200,
6600,
8600,
6400,
4400,
MLC9000+,
ProVU4).
Communication by the Modbus protocol

Each device is equipped with
RS232 port connector. The
RS485 port is optional.
The devices communicate by the Modbus RTU protocol.
The regulators MLC9000+ and ProVU4 can also be connected to the Ethernet by the Modbus TCP/IP protocol.
For this communication in the PROMOTIC system can be used:
PmModbusMr - Driver for communication by the Modbus Master protocol.
For easy integration of this driver into the application it is handy to use: