SIL Interface Module Wiring

Using the TeSys island topology and bill of materials, determine the location of the SIL* interface modules (SIMs) on the TeSys island . The SIM is supplied 24 V power and also connects to an external SIL rated device using a spring terminal connector provided with the SIM. Use the following guidelines to complete the 24 V power wiring between the SIL interface modules and the external SIL rated device.

SIM Terminal Block

SIM Terminal Block Pinout

Pin Number	Terminal Identification	Signal
1	13	MIRROR IN
2	K1	SIL-IN 1
3	KC	SIL COMMON
4	K2	SIL-IN 2
5	14	MIRROR OUT

NOTE: There may be multiple SIMs on the TeSys island . Ensure that you connect the correct set of wires from the external SIL rated device to the correct SIM module. See the Functional Safety Guide, 8536IB1904, for more information.

Remove the spring terminal connector. It is positioned on the top of the module, behind the flat cable connection.
Using the SIM wiring table, connect 24 V to both K1 and K2 on the removable spring terminal connector, regardless of the control architecture. In wiring category 1 and 2 applications, terminals K1 and K2 must be shorted together. See Accessories Cabling for cable types and sizes.
Insert the spring terminal connector back into the top of the SIM.