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Connection
6.3 Connecting the power supply
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
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
1
2
3
4
5
6
7
8
9
10
11
12
80
Pin assignment of Power-IO-RS232 connector on the optical reader
Pin assignment Power-IO RS232 cable, M12 (female, 12-pin)
Color
A
White
B
Brown
C
Green
D
Yellow
E
Gray
F
Pink
G
Blue
H
Red
J
Black
K
Violet
L
Gray/pink
M
Red/blue
Signal name
INPUT - COMMON
RS422 TxD_P
RS422 TxD_N
OUTPUT 2
OUTPUT - COMMON
RS232 TxD /
RS422 RxD_P
DC 0V
DC 24V
STROBE (OUTPUT)
TRIGGER / INPUT 1
OUTPUT 3
RS232 RxD /
RS422 RxD_N
Operating Instructions, 05/2019, C79000-G8976-C494-02
①
Meaning
Reference point 0 V or 24 V for inputs
Send line RS422 TxD positive
Send line RS422 TxD negative
Digital output 2
Reference point 0 V or 24 V for outputs
Send line RS232 / Receive line RS422
RxD positive
0 V DC power supply
24 V DC power supply
Signal output for connecting the external
ring light
Trigger input / digital input 1
Digital output 3
Receive line RS232 / RS422 RxD nega-
tive
SIMATIC MV500
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