DC-to-DC Power Supply Installation Instructions
DC-to-DC Power Supply Installation Instructions
For use with the models listed below. These models can be identified by a lid with screws on the top of the lid. These models listed
below may be obsolete.
VX89301PWRSPLY – Power Supply, DC/DC, 9 to 36V
VX89A302PSDC48V – Power Supply, DC/DC, 18 to 60V
VX89303PWPSPLY – Power Supply, DC/DC, 60 to 110V
9000301PWRSPLY – Power Supply, 18-60VDC with cable
9000302PWRSPLY – Power Supply, 60-110VDC with cable
These models may be used to replace the obsolete power supplies. Contact Honeywell Technical Support or go to
www.honeywellaidc.com for DC/DC power supply installation instructions for the replacement models listed below.
9000311PWRSPLY – Power Supply, 9-60VDC, 60W
9000313PWRSPLY – Power Supply, 50-150VDC, 60W
Connecting electrical cables to power sources
The DC-to-DC power supply is used to power certain vehicle-mount computers (VMCs) or to provide vehicle power to certain hand-held
computers (HHCs) when placed in a DC powered vehicle dock or cradle.
Specifications for electrical supply
Input Voltage
Always observe input voltage range specified on the DC-to-DC power supply and the optional screen blanking box
(for vehicle mounted terminals only).
Output Voltage
12 VDC ± 10%
Power
75 W
Tecton, MX9, MX3 Plus, MX7: Use a 5 A slow blow fuse.
Thor VX8, Thor VX9, Marathon: Use a 10 A slow blow fuse
Thor VM1, Thor VM2, Thor VM3: Use VM3055FUSE (or equivalent) to install the fuse as shown below:
• For 12VDC input, use the 10A fuse from the kit or a slow blow fuse that has a DC voltage rating greater than 12VDC.
• For 24VDC input, use the 6A fuse from the kit or a slow blow fuse that has a DC voltage rating greater than 24VDC.
• For 36VDC input, use the 4A fuse from the kit or a slow blow fuse that has a DC voltage rating greater than 36VDC.
• For 48VDC input, use the 3A fuse from the kit or a slow blow fuse that has a DC voltage rating greater than 48VDC.
Fuse
Screen Blanking Box: Use a 3 A fuse
Please refer to the appropriate wiring schematic on the following pages for wiring colors and connections:
Figures 1a and 1b – Thor VX8 and Thor VX9 Vehicle Mounted Computers
Figures 2a and 2b – Thor VM1, Thor VM2 and Thor VM3 Vehicle Mounted Computers
Figure 3 – Marathon Vehicle Dock
Figure 4 – MX3Plus, MX7, MX7 Tecton and MX9 Vehicle Mounted Cradles
Caution:
!
Caution
!
For proper and safe installation, the input power cable must be connected to a fused circuit on the vehicle. This fused
circuit requires a user supplied 5 or 10 Amp maximum time delay (slow blow, see table above for fuse rating) high
interrupting rating fuse. If the supply connection is made directly to the battery, the fuse should be installed in the
positive lead within 5 inches of the battery positive (+) terminal.
The VX power supplies are sealed per IPXX. Usage in areas where moisture can affect the power supply connections
should be avoided. The power supply should be mounted in a dry location within the vehicle or placed in a suitable
protective enclosure.
Caution:
!
Warning:
!
For installation by trained service personnel only.
Risk of ignition or explosion. Explosive gas mixture may be vented from battery. Work only in well ventilated area.
Avoid creating arcs and sparks at battery terminals.
162847-0001 Rev J 10/15
© 2009-2015 Honeywell International Inc. All Rights Reserved.
Page 1
Connecting the Vehicle Electrical Connection
Please review the proper wiring illustration, later in this document, before beginning power cable install. If connecting a VMC, the computer must be powered off. If connecting a HHC cradle/dock, the cradle must be empty.
1. Connect the power cable to the VMC or the HHC cradle.
2.
Route the cable from the VMC or HHC cradle to the DC-to-DC converter and, optionally for some VMCs, to the screen blanking box.
3.
Cut the cable to length and strip the wire ends. If the screen blanking feature is not used for the Thor VX8 or Thor VX9, do not strip
the green and yellow wires.
4.
Route the power cable the shortest way possible. The cable is rated for a maximum temperature of 105°C (221°F). When routing
this cable, it should be protected from physical damage and from surfaces that might exceed this temperature. Do not expose the
cable to chemicals or oil that may cause the wiring insulation to deteriorate. Always route the cable so that it does not interfere with
safe operation and maintenance of the vehicle.
5.
Remove the lid from the DC-to-DC converter.
6.
Strip the ends of the wires in the cable from the VMC or HHC cradle and attach the wire ends to the output side of the DC-to-DC
converter.
7.
Strip the ends of the wires in the cable that will connect to vehicle power and attach
the wire ends to the input side of the DC-to-DC converter.
Note: The input and output blocks each have two + and two – minus connectors.
Either connector in the block can be used to connect the matching polarity wire.
The input and output blocks also each have two
(chassis
ground).connections. When the diagram indicates a chassis ground
connection, use either chassis ground connector in each block.
Note: Wire colors depend on the type of device attached. Please refer to the
illustrations later in this document for wire colors.
8.
Use looms and wire ties to secure all wiring as shown.
9.
Reattach the cover with the screws.
G
N
2V
-7
12
11. If the screen blanking box is used for a Thor VM1 or Thor VM2 installation, connect a serial cable from
the COM port on the Mount Smart Dock to the box. Refer to the applicable following diagram for proper
wiring connection.
D
10. If the screen blanking box is used for a Thor VX8 or Thor VX9 installation, attach the stripped green and
yellow wire ends to the box. Refer to the applicable following diagram for proper wiring connection.
12. Connect the DC-to-DC converter to the vehicle’s electrical system.
Caution:
!
For battery powered vehicles:
+ is connected to battery positive.
- must be connected to battery negative.
For internal combustion engine powered vehicles:
+ is connected to battery positive.
- is connected to battery negative.
GND
must be connected to the vehicle chassis
ground.
GND
is connected to the vehicle chassis ground,
which can also be battery negative.
13. While observing the fuse requirements specified above, connect the power cable as close as possible to the actual battery terminals
of the vehicle. When available, always connect to unswitched terminals in the vehicle fuse panel, after providing proper fusing.
ATTENTION:For uninterrupted power, electrical supply connections should not be made at any point after the ignition
switch of the vehicle.
14. If the screen blanking box is used for a VMC installation, connect the box to vehicle motion circuitry and ground. Refer to the
applicable following diagram and the label on the screen blanking box for proper wiring connection.
15. Use proper electrical and mechanical fastening means for terminating the cable. Properly sized “crimp” type electrical terminals are
an accepted method of termination. Select electrical connectors sized for use with 18AWG (1mm2) conductors.
16. Provide mechanical support for the cable by securing it to the vehicle structure at approximately one foot intervals, taking care not to
over tighten and pinch conductors or penetrate the outer cable jacket.
162847-0001 Rev J 10/15
© 2009-2015 Honeywell International Inc. All Rights Reserved.
Page 2
Figure 1a – Thor VX8 and Thor VX9 Vehicle Mounted Computers
EXISTING CIRCUITRY ON VEHICLE
FORKLIFT BATTERY
MAIN SWITCH
+Vo
-Vo
Thor VX8 or Thor VX9
VEHICLE
MOUNTED
COMPUTER
10A slow fuse
Close to power
source
GND
+Vi
Optional screen blanking
connection, see options below
Leave unconnected if not
using screen blanking
-Vi
5
GREEN
6
YELLOW
1
BROWN
+Vo
-Vo
Circular
Power
Connector
3
WHITE
GND
ISOLATED
DC/DC
Supplied Power Cable
(Sheilding to be trimmed
and connectd to GND terminal)
Figure 1b – Optional Screen Blanking Connections
Screen blanking is configured via the Display Backlight tab of the VMT Manager option in the Windows Control panel.
With Screen Blanking Box
With User Supplied Switch / Relay
Switch
+Vi
GND
MOTION
CIRCUITRY
3A fuse
To -Vo on vehicle,
i.e. Negative
battery terminal
GREEN
To vehicle
mounted
computer
YELLOW
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.
162847-0001 Rev J 10/15
GREEN
To vehicle
mounted
computer
YELLOW
User supplied switch/relay that supplies
electrical conductive connection on vehicle
motion
© 2009-2015 Honeywell International Inc. All Rights Reserved.
Page 3
Figure 2a – Thor VM1, Thor VM2, and Thor VM3 Vehicle Mounted Computers
EXISTING CIRCUITRY ON VEHICLE
Thor VM1, Thor VM2
or Thor VM3
VEHICLE
MOUNTED
COMPUTER
in Smart Doc
FORKLIFT BATTERY
MAIN SWITCH
User supplied serial
cable for optional
screen blanking
connection,
see below
-Vo
+Vo
See text for fuse
requirements
Close to power
source
GND
+Vi
8
7
COM1 or COM2
Connector
on Dock
-Vi
1
RED
+Vo
2
3
BLACK
-Vo
4
GREEN
GND
5
BLUE
(not connected)
ISOLATED
DC/DC
Circular
Power
Connector
on Dock
6
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
With User Supplied Switch / Relay
Switch
+Vi
GND
MOTION
CIRCUITRY
3A fuse
To -Vo on vehicle,
i.e. Negative
battery terminal
To pin 7 of COM1 or COM2
To pins 7 and 8
of COM1 or COM2
port on Thor VM1
or Thor VM2 dock
To pin 8 of COM1 or COM2
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
User supplied switch/relay that supplies
electrical conductive connection on vehicle
motion
© 2009-2015 Honeywell International Inc. All Rights Reserved.
Page 4
Figure 3 – Marathon Vehicle Dock
EXISTING CIRCUITRY ON VEHICLE
FORKLIFT BATTERY
MAIN SWITCH
-Vo
+Vo
10A slow fuse
Close to power
source
GND
Marathon
VEHICLE
MOUNTED
COMPUTER
DOCK
+Vi
-Vi
+Vo
BROWN/WHITE TWISTED WIRE
-Vo
Circular
Power
Connector
on Dock
BLUE/BLACK TWISTED WIRE
GND
ISOLATED
DC/DC
Separate the blue/black twisted wires.
Connect one of the wires to a –Vo terminal and the other to a
(chassis ground) terminal on the DC-to-DC power supply.
Figure 4 – MX3Plus, MX7, MX7 Tecton and MX9 Vehicle Cradles
EXISTING CIRCUITRY ON VEHICLE
FORKLIFT BATTERY
MAIN SWITCH
+Vo
-Vo
5A slow fuse
Close to power
source
VEHICLE
MOUNTED
CRADLE
GND
+Vi
-Vi
+Vo
BROWN
RED/WHITE
BLUE
RED/BLACK
GREEN
GREEN
-Vo
GND
ISOLATED
DC/DC
Use color scheme
corresponding to
input wire provided
162847-0001 Rev J 10/15
© 2009-2015 Honeywell International Inc. All Rights Reserved.
Page 5
Disclaimer
Honeywell International Inc. (“HII”) reserves the right to make changes in specifications and other information contained in this document
without prior notice, and the reader should in all cases consult HII to determine whether any such changes have been made. The information in this publication does not represent a commitment on the part of HII.
HII shall not be liable for technical or editorial errors or omissions contained herein; nor for incidental or consequential damages resulting
from the furnishing, performance, or use of this material. HII disclaims all responsibility for the selection and use of software and/or hardware to achieve intended results.
This document contains proprietary information that is protected by copyright. All rights are reserved. No part of this document may be
photocopied, reproduced, or translated into another language without the prior written consent of HII.
2009-2015 Honeywell International Inc. All rights reserved.
Other product names or marks mentioned in this document may be trademarks or registered trademarks of other companies and are the
property of their respective owners.
Web Address: www.honeywellaidc.com
Patents
For patent information, please refer to www.hsmpats.com.
Technical Assistance
Contact information for technical support, product service, and repair can be found at www.honeywellaidc.com.
Limited Warranty
Refer to www.honeywellaidc.com/warranty_information for your product’s warranty information.
User Documentation
To download user documentation go to www.honeywellaidc.com.
162847-0001 Rev J 10/15
© 2009-2015 Honeywell International Inc. All Rights Reserved.
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