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Figure 2a – Thor VM1, Thor VM2, and Thor VM3 Vehicle Mounted Computers
See text for fuse
requirements
Close to power
Figure 2b – Optional Screen Blanking Connections
The user must supply the serial cable for the screen blanking connection. Only pins 7 and 8 are used for the screen blanking connection.
Screen Blanking is configured via the Screen Control (Thor VM1 and Thor VM2) or the ZoomZone (Thor VM3) option in the Windows
Control Panel.
With Screen Blanking Box
MOTION
CIRCUITRY
3A fuse
To -Vo on vehicle,
i.e. Negative
battery terminal
Connect to existing motion circuitry on vehicle – any 12-60 or 12-72 VDC
signal triggered by vehicle motion.
Refer to the label on the Screen Blanking Box for allowable voltage input
range.
Connect switched terminal on blanking box to Pin 7 of COM port.
162847-0001 Rev J 10/15
EXISTING CIRCUITRY ON VEHICLE
FORKLIFT BATTERY
MAIN SWITCH
+Vo
-Vo
source
GND
+Vi
-Vi
-Vi
+Vo
-Vo
GND
ISOLATED
ISOLATED
DC/DC
DC/DC
© 2009-2015 Honeywell International Inc. All Rights Reserved.
User supplied serial
cable for optional
screen blanking
connection,
see below
To pin 7 of COM1 or COM2
To pin 8 of COM1 or COM2
Thor VM1, Thor VM2
or Thor VM3
VEHICLE
MOUNTED
COMPUTER
in Smart Doc
8
COM1 or COM2
Connector
7
on Dock
1
RED
2
Circular
3
Power
BLACK
Connector
4
on Dock
GREEN
5
BLUE
6
(not connected)
With User Supplied Switch / Relay
Switch
To pins 7 and 8
of COM1 or COM2
port on Thor VM1
or Thor VM2 dock
User supplied switch/relay that supplies
electrical conductive connection on vehicle
motion
Page 4
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