Telematics Integration (Optional) - Vmac UNDERHOOD 40 Installation Manual

Telematics Integration (Optional)

VMAC's advanced digital controls include an Upfitter harness connection for 3rd
party telematics systems to read CAN data from the VMAC system.
Telematics System Requirements:
•
CAN 2.0 running at 500 kbps baud.
•
J1939.
•
Integration of PGNs from VMAC's VCAN protocol.
Note: VMAC's VCAN protocol is available to telematics integration engineers
upon request, please contact VMAC Technical Support.
If additional support is required, contact VMAC sales to book an initial
consultation with a member of our engineering team.
Phone: (877) 912-6605
Email:
sales@vmacair.com
•
The supplied VMAC display box contains the 120 Ω termination resistor and
has CAN packet acknowledgment.
•
If the supplied VMAC display box is not used the following are required:
120 Ω termination resistor across CAN signal lines.
Ǜ
CAN packet acknowledgement.
Ǜ
The 3rd party telematics system must support CAN message
Ǜ
acknowledgment (must not operate in silent mode).
Telematics Integration
1) Connect the 3rd party telematics system (not supplied) to the VMAC system
via the Upfitter harness (see "Upfitter Port (16-pin black microfit connector)" on
page 36).
Connect the 3rd party telematics system within 36 in of the Controller. If this
is not possible, contact VMAC tech support for assistance.
If the supplied Display is NOT used, add 120 Ω resistor between CAN H and
CAN L near the 3rd party telematics system.
2) Ensure both systems share a good ground.
3) Program the 3rd party telematics system with VMAC VCAN PGNs
(interpretation of VMAC CAN messages). Refer to the 3rd party telematics
documentation.
4) Apply power to the system by turning the vehicle key to the "ON" position.
Observe telematics data on the telematics system (regardless of whether the
VMAC system is running or not).
46
VMAC - Vehicle Mounted Air Compressors
VMAC Technical Support: 888-241-2289
VMAC Knowledge Base: kb.vmacair.com