The WEBTEC SR-CBL-000-R-CAN is a CAN bus terminating resistor designed for use at the end of an HPM Series sensor daisy-chain. In a CAN network, the final node in the chain requires a terminating resistor to prevent signal reflections that would otherwise degrade communication integrity across connected sensors. This accessory fulfils that role in a compact, field-ready form.
The connector is an M12 5-pin Code A, consistent with the HPM Series sensor cabling standard. The outer body combines polyurethane and zinc nickel plated materials with a brass construction, while internal components are copper alloy. At 0.02 kg, the unit adds negligible weight to the sensor assembly. It is a straightforward but necessary component for any multi-sensor HPM installation where CAN bus communication is in use.
what exactly does this terminating resistor do in the sensor chain, and does it go on a specific end?
Answer by: Customer Support on Jan 31, 2026, 9:55 PM
On a CAN bus sensor chain, the last device in the line needs a terminating resistor to prevent signal reflections that cause communication errors. This part plugs onto the final sensor in the HPM series chain to close out the bus properly. It uses an M12 5-pin Code A connection, which matches the standard connector format on HPM series sensors, so fitment is straightforward.