Datalogic DS8100A Reference Manual page 58

4
INPUT 1 - 2 CONNECTIONS USING EXTERNAL POWER
Figure 54 – PNP Command Input Connection Using External Power
Figure 55 - NPN Command Input Connection Using External Power
Terminal pins I34B are common to both inputs 3 and 4 and therefore these
inputs cannot be driven by opposite polarity devices.
NOTE
INPUT 3 - 4 CONNECTIONS USING DS8100A POWER
44
DS8100A
A/B
+ 5V
~
-
+
~
B/A
DS8100A
A/B
+ 5V
~
-
+
~
B/A
DS8100A
+ 5V
~
-
+
~
+ 5V
~
-
+
~
Figure 56 - I3/I4 NPN Input Command using Scanner Power
DS8100A REFERENCE MANUAL
Vext
EXTERNAL TRIGGER/ENCODER
V
Ground
EXTERNAL TRIGGER/ENCODER
Vext
V
Ground
EXTERNAL DEVICE
VS
I34B
V
I3A
Ground
EXTERNAL DEVICE
V
I4A
GND Ground