Introduction
Revision 10 ControlEdge HC900 Process & Safety Controller User and Installation Manual 13
May 2019
Ethernet 10/100 Base-T connection:
Port(s) configured to Auto Negotiate - default to half duplex
C30/C30S controller up to 5 PC hosts via Modbus/TCP protocol. C50/C50S,
C70/C70S and C70R Legacy and C75/C75S (new model) support up to 10 PC
hosts via Modbus/TCP protocol.
Peer-to Peer (UDP) communication with up to 32 other ControlEdge HC900
Controllers.
C70/C70S and C70R Legacy and C75/C75S (new model) have 2 Ethernet ports
for connection to up to 10 PC hosts. They also support Modbus/TCP Initiator
function over both ports and automatically switch between ports to maintain
Peer to Peer communications with other C70/C70S or C70R/C75/C75S
redundant CPUs.
Private Ethernet 100 base T connection to I/O expansion racks: (except C30 and C30S CPU)
Direct connection to each C70R Legacy and C75/C75S (new model) CPU.
For more information
For complete feature summary and specifications see Specifications on page 214.