Marathon Electric DVR 2000E+ - Page 71

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Marathon Electric (a division of RBC Manufacturing Corp.) reserves the right to change specications and this manual without notice.
Revised 06/2011
VR HEARTBEAT – If the message timeout timer is enabled with a non-zero value, the regulator assumes a heart-
beat message will be sent periodically from an ECU. If this message is not received within the timeout time
specified, the Loss of CAN Communication Alarm will be in an alarm state. The regulator will continue to regulate
normally and broadcast metering messages but may not respond to CAN messages.
Message ID: (0xFF01) VR Heartbeat
Source: ECU1 or ECU2 or ECU3
Message Group: None
PDU Format: 255 (PDU2)
PDU Specific: 1
BYTE 0 BYTE 1 BYTE 2 BYTE 3 BYTE 4 BYTE 5 BYTE 6 BYTE 7
Unused Unused Unused Unused Unused Unused Unused Unused
0xFF 0xFF 0xFF 0xFF 0xFF 0xFF 0xFF 0xFF
Byte 0-7 Unused