Location Of X1 Connector - Siemens SIMATIC S7-300 Manual

4.6 Description of the I/O interface
Front connector
Four digital input/output modules and the standby signal (controller message)
may be connected to the 20-pin front connector X1 with its single-wire termi-
nal.
Location of Figure 4-6 shows the front connector in position to be wired, and the labeling
connector on the inside of the front door.
Fig. 4-6
FM 354 Servo Drive Positioning Module
Front connector in wiring position
Locking device

Location of X1 connector

Wiring the FM 354
Labeling on
X1
inside of front door
1
2
3
3
4
4
5
5
6
6
7
8
9
9
10
1 0
X1
1
1
11
1
2
12
3
1 13
1 4
14
1
5
1 6
1 7
1
8
19
1
9
L+
20
2 0
M
4-13