Siemens SIMATIC MV540 H - Page 80

Connection
6.3 Connecting the power supply
SIMATIC MV500
80 Operating Instructions, 06/2018, C79000-G8976-C494-01
Power IO RS232 cable
The Power-IO RS232 cable is used for the power supply, for connection to the DI/DQ
connections and, for example, for the communication connection of an S7 controller via the
RS232 interface.
Figure 6-2 Pin assignment of the Power-IO RS232 connector on the optical reader
NOTICE
Connect "IN_COMMON" or "OUT_COMMON"
In order to be able to use the inputs and outputs described below, you must connect the
"IN_COMMON" or "OUT_COMMON" signals.
Table 6- 1 Pin assignment Power-IO RS232 cable, M12 (female, 12-pin)
Pin
Color
Signal name
Meaning
1
A
White
INPUT - COMMON
Reference point 0 V or 24 V for inputs
2
B
Brown
RS422 TxD_P
Send line RS422 TxD positive
3
C
Green
RS422 TxD_N
Send line RS422 TxD negative
4
D
Yellow
OUTPUT 2
Digital output 2
5
E
Gray
OUTPUT - COMMON
Reference point 0 V or 24 V for outputs
6 F Pink RS232 TxD /
RS422 RxD_P
Send line RS232 / Receive line RS422
RxD positive
7 G Blue DC 0V 0 V DC power supply
8
H
Red
DC 24V
24 V DC power supply
9 J Black STROBE (OUTPUT) Signal output for connecting the external
ring light
10
K
Violet
TRIGGER / INPUT 1
Trigger input / digital input 1
11
L
Gray/pink
OUTPUT 3
Digital output 3
12 M Red/blue RS232 RxD /
RS422 RxD_N
Receive line RS232 / RS422 RxD nega-
tive