Electrical connection
Leuze electronic
DCR 248i
34
Tab. 7.1:
PWR / SWIO pin assignment
Pin
Designation
Core color
Assignment
1
VIN
Brown
+18 … +30 V DC operating voltage
2
GNDIN
Blue
Negative operating voltage (0 V DC)
3
SWI1
White
Digital switching input 1 (default: "Trigger")
4
SWO2
Green
Digital switching output 2 (default: "Good Read")
5
FE
Pink
Functional earth
6
GNDOUT
Yellow
Ground reference RS 232/RS 422
7
RX-
Black
RS 422: RX- signal
8
TX-
Gray
RS 422: TX- signal
9
RXD/RX+
Red
RS 232: RXD signal
RS 422: RX+ signal
10
TXD/TX+
Violet
RS 232: TXD signal
RS 422: TX+ signal
11
SWIO3
Gray/pink
Digital switching input/output 3 (configurable)
(default: switching output "No read")
12
SWIO4
Red/blue
Digital switching input/output 4 (configurable)
(default: switching output "Device ready")
Thread (M12
plug)
FE (functional earth)
Connection cable shield.
The shield of the connection cable is on the thread of
the M12 plug.
NOTICE
The core colors only apply if Leuze electronic’s original connection cables are used (see chapter
16.4 "Cables accessories").
NOTICE
UL applications!
For UL applications, use is only permitted in Class 2 circuits in accordance with the NEC (Na-
tional Electric Code).
Switching input/output
The code reader features four freely programmable switching inputs/outputs: SWI1, SWO2, SWIO3 and
SWIO4.
NOTICE
The function as switching input or switching output is set via the webConfig configuration tool
(
CONFIGURATION > DEVICE > Switching inputs/outputs
