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DGC-2020HD Terminals and Connectors
It is recommended in all applications where contact outputs drive relay
coils that a reverse biased diode be implemented in parallel with the
relay coil for EMI suppression.
Programmable Output Contacts Rated for 2-Ampere Duty
Twelve programmable output contacts rated for 2-ampere duty are provided in four sets. Each set of
three output contacts shares a common terminal. Programmable output contact terminals are listed in
Table 2-11.
Table 2-11. Programmable Output Contact Terminals
Common connection for outputs 1, 2, and 3
Common connection for outputs 4, 5, and 6
Common connection for outputs 7, 8, and 9
Common connection for outputs 10, 11, and 12
CAN Interface
These terminals provide communication using the SAE J1939 protocol or the mtu protocol and provide
high-speed communication between the DGC-2020HD and an ECU on an electronically controlled
engine. Connections between the ECU and DGC-2020HD should be made with twisted-pair, shielded
cable. CAN interface terminals are listed in Table 2-12. For typical CAN connections, refer to the Typical
Connections chapter.
Table 2-12. CAN Interface Terminals
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