GE VersaMax IC200CHS022 - Page 151

6-16 VersaMax Modules, Power Supplies and Carriers GFK-1504N
6
IC200ERM002
Expansion Receiver Module, Non-isolated
VersaMax Expansion Modules Standard RS-485 Differential Expansion Interface
The Expansion Receiver Module connects to an Expansion Transmitter Module
in a VersaMax PLC or VersaMax NIU I/O Station, or to an Expansion Receiver
in a previous rack, as displayed below. Modules are connected using expansion
cable IC200CBL6xx (xx represents the length in meters). Up to seven
expansion racks can be included in the system. With the non-isolated
Expansion Receiver Module, the total overall length of the expansion cable can
be up to 15 m.
PS
CPU/NIU
PS
ERM
PS
ERM
ETM
VersaMax Expansio
nRack 1
Terminator
Plug
15M with any
IC200ERM002 ERMs
750M with all
IC200ERM001 ERMs
VersaMax PLC or I/O Station Main Rack (0)
VersaMax ExpansionRack 7
IC200CBL601,
602, 615
Terminator Plug
The terminator plug supplied with the Expansion Transmitter Module is installed
in the last Expansion Receiver in a chain as displayed above. If the Expansion
Receiver is at the end of the chain, the terminator plug is installed in the lower
expansion port.
No terminator plug is required in the single-ended configuration described on
the following page.