Siemens SIMATIC TOP connect Manual page 14

Product overview
3.2 Components
Table 3-1
Component
Front connector module Front connector modules are modi‐
Connecting cable
Terminal module
14
Components for fully modular connection of SIMATIC TOP connect
Function
fied front connectors and are plugged
into the I/O module to be wired. The
front connector module has IDC fe‐
male connectors for connecting the
connecting cables. Front connector
modules are available in the following
designs:
● For DI/DO digital modules (power
supply with spring-loaded or
screw-type terminals)
● For 2 A digital output 1 x 8 DO
(power supply with spring-loaded
or screw-type terminals)
● For analog modules
● For integrated I/O of the Compact
CPU
Connecting cables connect the front
connector module with the terminal
modules. Connecting cables are
available in the following versions:
● 16-pin round cable (shielded or
unshielded), pre-assembled¹,
max. length 10 m
● Connecting cable unshielded for
SIMATIC S7-300 and ET200M
between front connector module
4 x 16-pin and terminal module 1
x 50-pin
¹Pre-assembled: One IDC connector (insulation displacement
connector) (flat socket) at each end.
Digital and analog terminal modules
are available for connecting the I/O
signals. These are attached to the
standard mounting rail.
The terminal modules are available
in the following connecting systems:
● Push-in system
● Screw-type terminals
All digital terminal modules also have
LED for channel display.
Figure
System cabling for S7-300
Manual, 09/2018, 70327045899