![]() An example of CAN identifier of messages sent by the keypad is 18EFFF21h where: FFh refers to broadcast messages (no specific destination address) 21h is the source address (keypad). An example of CAN identifier of messages sent to the keypad is 18EF2100h where: 21h is the destination address (keypad) 00h is the source address. PDU Format = EFh (the message is addressable). Priority Reserved Data Page PDU Format PDU Specific Source Address 3 bits 1 bit 1 bit 8 bits 8 bits 8 bits The proprietary format used by PKP keypads is defined as follows: Priority = 6. ![]() Message header description The 29-bit CAN identifier used in J1939 is structured in the following way. Reference PKP-2400-SI Via Montefeltro, Milano (MI) Italy - 3 -Ĥ 3. You may need to place a 120Ω resistor between CAN-L and CAN-H. (12-24V) Each end of the CAN bus is terminated with 120Ω resistors in compliance with the standard to minimize signal reflections on the bus. How to connect CAN bus: PIN COLOUR FUNCTION 1 Blue CAN L 2 White CAN H 3 Black Negative battery 4 Red Vbatt.
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