Function

Description

Communication

Modbus RTU (RS-485), not galvanically isolated

Functions

  • Setpoint 0...100 % valve setting
  • Actual value 0...100 % for valve setting
  • Override control Open / Close / Min / Max / Stop
  • Setpoint monitoring and backup mode

Supported baud rates

9.6 / 19.2 / 38.4 / 57.6 / 78.4 / 115.2 kBaud

Transmission formats

1-8-E-1, 1-8-N-1, 1-8-O-1, 1-8-N-2

Bus termination

120 Ω electronically switchable

 

A detailed description of device functions and operation is available in the documentation on basics, document numbers CE1P4040 and CE1P4041.

The documents can be downloaded at http://siemens.com/bt/download.Product documentation