1 Introduction
6
1.4 Content of this document
NOTE!
This document applies to devices from the device series 70211x (compact controllers) as well as to de-
vices from the device series 70151x (digital indicators).
This document describes the use of the RS485 interface or the Ethernet interface as a Modbus slave in
the operating modes Modbus-RTU or Modbus-TCP or Modbus-RTU/ASCII via TCP/IP. After a short in-
troduction to the Modbus protocol, the addresses of all the configuration data, commands, and process
values accessible via Modbus will be listed.
In addition to this document, the operating manual of the respective device series must be observed:
• Types 701510, 701511, 701512, 701513, 701514 (digital indicators):
Document 70151000T90Z...K...
• Types 702110, 702111, 702112, 702113, 702114 (compact controllers):
Document 70211000T90Z...K...
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