Siemens Metro 21 M216KA Operator's Manual page 22

Product Overview
ET 200L-SC
Modular I/O Device
ET 200L-SC
Terminal
block
TB 16L
16 channels
Terminal
block
TB 32L
32 channels
1-4
The ET 200L-SC modular I/O device can be upgraded with the SIMATIC
Smart Connect.
The ET 200L-SC also consists of a terminal block to which an electronics
block is connected. The electronics block has an interface for connecting the
SIMATIC Smart Connect.
The Smart Connect (SC) consists of a TB 16SC terminal block and up to
8 SC electronic modules. There are one- and two-channel SC electronic mod-
ules for digital and analog inputs/outputs or for count functions.
Electronics block
ET 200L-SC
32 channels 16 channels
ET 200L, ET 200L-SC and ET 200L-SC IM-SC Distributed I/O Device
SC
electronic modules
EWA 4NEB 780 6009-02c
Terminal
block
TB 16SC
16 channels
Terminal
block
TB 16SC
16 channels