Patent ID: 7957868

Claim:
An electronic power module (EPM) for an agricultural vehicle having a controller area network (CAN) bus network, wherein the CAN bus network includes a plurality of electronic control unit (ECU)s and a plurality of EPMs, wherein each of the EPMs is coupled to a corresponding ECU of the plurality of ECUs to be controlled thereby, each EPM comprising: a housing; at least one multipin connector on said housing; and an EPM circuit disposed in said housing, said EPM circuit electrically coupled to said at least one multipin connector, said EPM circuit including: at least one microcontroller; a driver circuit coupled to said at least one microcontroller, said driver circuit being configured by said at least one microcontroller, said driver circuit having a plurality of driver subcircuits; and a CAN bus communication circuit coupled to said at least one microcontroller configured to receive CAN bus messages, said CAN bus messages each including driver configuration instructions and driver current limits from a corresponding ECU and instructions to said at least one microcontroller, said at least one microcontroller being configured to receive said driver configuration instructions from said CAN bus communications circuit and to responsively configure said driver subcircuits according to said driver configuration instructions.