What are the recommended mounting practices for the VMM?
Refer to Selecting a Mounting Location for details.
Can the VMM be pressure washed or immersed in water?
Refer to Environmental Requirements on page 49 for details.
Can the VMM be used as an H-bridge?
Yes. The VMM has separate high-side and low-side outputs that can be combined
in the harness to create an H-bridge. Refer to Application Examples on page 51
for more details on how to create an H-bridge.
Will the VMM work on a 42 V electrical system?
No. The VMM is designed for 12 V and 24 V systems.
Should the VMM be disconnected when the welding on a vehicle where it is
installed?
All electrical devices should be disconnected during welding to avoid damaging
them. The VMM warranty does not cover damage to the product when exposed to
conditions that exceed the design limitations of the product.
How does the power control feature work?
Refer to Power on page 35 for details.
How should I wire my CAN network?
Refer to Communication on page 39 for details.
Where can I get J1939 cables and connectors?
Two manufacturers of J1939-rated connectors are ITT Canon and Deutsch.
Raychem, a subdivision of Tyco, manufactures a shielded cable compliant with
J1939-11. These are manufacturers that Parker Vansco has experience with, but
this should not be considered an exhaustive list of J1939 cable and connector
suppliers. Consult your local wire and connector distributors for details.