About the 8903/IM
The 8903/IM is an Ethernet Communications Interface Option that is more specifically known as the Modbus/TCP Communications Option. This option is designed to fit with the AC890 series drives, including the Common Bus Drives and Standalone Drives.
The 8903/IM is compatible with multiple types of 890 firmware, including:
- Version 1.11 onward
- Version 3.2 onward
- Version 4.1 onward
This compatibility allows for more connections with drives with different versions of firmware. The 8903/IM also supports RTNX protocol to connect to DSE (Drive System Explorer).
There are several notable features on the option card. These are:
- Network and Module status LEDs
- RJ45 Ethernet Interface
- LINK Activity LED