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10
V550-A20 Operation Manual
Section
3-
10
Connecting Your V550-A20 To An External Device
A triggering device can be used to supply an electronic signal or pulse
to inform the scanner of the presence of an object within its reading
zone. You can wire a triggering device directly to the V550-A20 15 pin
connector using pins 11 and 13. The drawing below shows two of the
most common ways to wire a triggering device directly to your
V550-A20.
Note: Connector is shown
from the soldering side.
J1
J1
DEM-9P
1
11
1
11
Trigger
GND
74XX
13
15
13
15
+5V
GND
V550-A20 represents
approximately 1 TTL load
Normally
High
J1
J1
DEM-9P
1
11
1
11
Trigger
GND
13
15
13
15
+5V
GND
Closed =
Triggered
V550-A20 15 pin female "D"
Two Different Ways To Wire A
Triggering Device To Your V550-A20
(Top-TTL Method, Bottom-Dry Contact Method )
Supplying A
Trigger Input
To Your
V550-A20
Summary of Contents for V550-A20
Page 1: ...i V550 A20 Operation Manual V550 A20 Bar Code Reader Operation Manual Cat No Q01BAZ2...
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Page 26: ...12 V550 A20 Operation Manual Section 2 12 What to Do After Receiving the V550 A20...
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Page 66: ...18 V550 A20 Operation Manual Section 5 18 Appendices...