Schneider Electric 890USE17700 - Manual (Page 115)

890USE17700 April 2004 115
6
Data Exchange
At a Glance
Introduction This chapter describes how data stored in the process image is exchanged between
the STB NIP 2212 and the Ethernet network, via Modbus over TCP/IP.
What's in this
Chapter? This chapter contains the following topics:
Topic Page
Data Exchange with the STB NIP 2212 116
Reading Diagnostic Data 125
Modbus Commands Supported by the STB NIP 2212 134
Modbus Error Codes 137