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Figure 3-11: Redundant Controller
Item Description
1 18-30 VDC power supply (two)
2 RS485 Ports (two)
3 RS232 Ports (two)
4 Ethernet Ports (four) Ethernet port1 and port2 for the left CPM (SLOT1).
Ethernet port3 and port4 for the right CPM (SLOT2).
5 Screw hole: used for locking controller IOTA and expansion I/O IOTA.
6 Expansion Connector: used for connecting with expansion I/O module.
Expansion I/O
An Expansion I/O consists of an IOM and an IOTA.
An I/O Module (IOM) contains most of the electronics required to
perform a specific I/O function. The IOM plugs onto the IOTA.
ATTENTION: Up to 30 expansion IOMs of Revision B can be
connected with the controller.
Chapter 3 - Hardware
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