Code Reader 1200 Manual de instalación Pagina 22

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TC1200 REFERENCE MANUAL
10
2
Input
There is an input available on the TC1200-1000 Scanner relative to the External Trigger
used to signal the reading phase for On Line Operating Mode. The pins are indicated in
Table 1. This input is optocoupled, polarity insensitive and can be drive
n by both an NPN or
PNP type command. The connections are indicated in the following diagrams:
TC1200
EXTERNAL TRIGGER
ext 30 Vdc max.
8
9
Signal
V
V
CC
~
~
+-
EXT TRIG A
EXT TRIG B
Figure 4 - Input NPN Command Using External Power
TC1200
EXTERNAL TRIGGER
V
ext 30 Vdc max.
8
9
V
CC
~
~
+-
V
Signal
EXT TRIG A
EXT TRIG B
Figure 5 - Input PNP Command Using External Power
EXTERNAL TRIGGE
R
TC1200
Signal
8
9
1
2
Ground
V
V
CC
~
~
+
-
Vcc (5 Vdc)
GND
EXT TRIG A
EXT TRIG B
Figure 6 - Input NPN Command Using TC1200 Power
EXTERNAL TRIGGE
R
TC1200
8
9
1
2
Ground
V
Signal
V
CC
~
~
+
-
Vcc (5 Vdc)
GND
EXT TRIG A
EXT T RIG B
Figure 7 - Input PNP Command Using TC1200 Power
The External Trigger Input can also be activated by the external button (Push Button =
Trigger On).
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