User Manual

Introducing the powerful and flexible S7-1200
1.2 Expansion capability of the CPU
Easy Book
20 Manual, 03/2014, A5E02486774-AF
Table 1- 6 Technology modules
Module
Type
Description
④
IO Link
SM 1278 4xIO-Link Master Supports 4 IO link slaves
Table 1- 7 Other boards
Module
Description
③ Battery board
Plugs into expansion board interface on front of CPU. Provides long term
backup of realtime clock