Modbus is an open Master/Slave application protocol that can be used on several different physical layers. Modbus TCP means that the Modbus protocol is used on top of Ethernet-TCP/IP. ABB drives act as a Modbus TCP server. Common read/write single and multiple register function codes are supported.
- FENA-01 is compatible with ACS355 drives
- FENA-11 (one-port) and FENA-21 (two-port) are compatible with ACS355, ACSM1, ACS850, ACQ810, ACS880 and ACS580 drives
- RETA-01 RETA-02 are compatible with ACS550, ACH550 and ACS800 drives