System manual CECX / Serial option module CECX-S-S4
CECX-II 32-3
32.3 Description of the module
The CECX-S-S4 (RS-485-A/RS-422-A) is a serial option module for
inserting in CPU modules.
Information:
The module’s function is guaranteed only if it used in a CPU module. The
module is not designed for connection with foreign modules.
32.3.1 Front view
SI1
CECX-S-S4 front view