Rs485 Interface - Protocol; Modbus Protocol - Siemens ZIEHL TR 1200 Operating Manual

14. RS485 interface - Protocols
The TR 1200 optionally supports the Modbus or the ZIEHL RS485 protocol.
Device data and measurements can be read out with both protocols; in addition,
the TR 1200 can be configured using the Modbus protocol.
The protocol is selected in the menu item 8bus.
(see 8.9 Configuring RS485

14.1 Modbus protocol

You can find documentation on the Modbus protocol in the Internet at
www.ziehl.com TR 1200 – Modbus Appendix
Edited (Date / Name): 16.07.09 Ba/Su
Page 17 von 20
ZIEHL industrie-elektronik GmbH + Co KG, Daimlerstr.13, D-74523 Schwäbisch Hall, Tel.: +49 791 504-0, Fax: -56, e-mail: info@ziehl.de
8 .
interface)
Drawing No.: 12320-0702-01
Name: TR 1200