The IM 463-2 interface module can be inserted into the following central controllers:

• UR1,
• UR2 and
• CR2.

Up to 8 S5 expansion units can be connected (4 per line). Further EUs can be connected centrally to the distributed expansion units.

Up to 4 IM 463-2 modules can be deployed in one SIMATIC S7-400 central controller. This allows up to 32 SIMATIC S5 expansion racks to be connected.

The module has:

• 3 LEDs for indicating faults.
• 2 interfaces for connecting the expansion units via connecting cable 721.
• Interface selector switch for selecting the required interfaces.
• Cable length selector to set the used cable lengths.