Siemens simatic c7-621 Hardware Installation Manual page 30

Installing and Preparing the C7
Device Connectors You can use the following connecting cables to connect the C7 to other
of the C7
components:
Table 2-6 Connecting Cables for the C7 Connectors
Connecting Cable
MPI Interface
PG cable
PROFIBUS LAN cable,
Interior cable,
Underground cable
and bus connector,
without PG interface,
with PG interface
and PROFIBUS bus terminal RS 485,
with 1.5 m, and 3 m cable,
with PG interface and 1.5 m cable.
Connectors for C7 I/Os
Connector for C7 I/Os
Conductor cross-section
2-12
Comments Schematic
-
The cable must
be assembled by
the user
16 pin
4 pin
2
0.2 to 2.5 mm
C7-621 / C7-621 AS-i Control Systems
Connection
Between ...
C7 PG
C7 S7-300
C7 S7-400
C7 OP
C7 PG
C7 C7
C7 S7-300
C7 S7-400
C7 OP
C7 external
sensor
C79000-G7076-C621-01