M8 4 Pin Female Termination Resistor

PCM Cable Co., Ltd. is one of the leading m8 4 pin female termination resistor manufacturers and suppliers in China. Welcome to wholesale high quality customized products at discount price from our factory. Contact us for quotation and free sample.

 

The M8 4 Pin Female Termination Resistor provides end of line termination for CANopen networks used with low voltage servo, stepper, and brushless motors. It mates with a compatible M8 interface at the physical end of the CAN bus. By placing a defined load across the differential pair, it helps limit signal reflections that can distort communication on longer cable runs. Its connector based design installs directly at the equipment interface without a separate wired resistor assembly.

 

 

CAN communication uses a differential signal carried on CAN_H and CAN_L. The cable has a characteristic impedance, so the network needs suitable termination at its physical ends. Without it, part of the signal can reflect from the cable end. These reflections distort the waveform and may affect a receiver's ability to read data reliably.

 

A 120Ω resistor provides a load that matches the nominal characteristic impedance of a typical CAN cable. This reduces reflections and helps maintain signal integrity.

 

A standard linear CAN network normally requires two 120Ω termination resistors, one at each physical end of the bus. They should not be installed at every motor or node. Too many terminators create excessive bus loading and can cause communication problems. Check equipment documentation for any built in or selectable termination before adding an external resistor.

 

 

This M8 CANopen termination resistor is designed for industrial equipment using M8 connections in CANopen networks. Typical applications include:

 

• Integrated low voltage servo motors
• Integrated stepper and brushless motors
• PLC-based control systems
• Industrial robots and motion control equipment
• Smart manufacturing machinery

 

Installed at a physical endpoint, the resistor helps maintain signal quality as controllers and motor drives exchange commands and status data.

 

 

• Why does a CAN bus need a 120Ω termination resistor ?

It matches the nominal cable impedance at the bus endpoint, reducing signal reflections and helping preserve the CAN waveform.

 

• How many termination resistors does a CANopen network need ?

A standard linear CAN bus uses two 120Ω terminators, one at each physical end. Account for any termination already built into connected equipment.

• Can this M8 resistor be used with servo motors ?

It is intended for CANopen systems using integrated low voltage servo, stepper, and brushless motors. Confirm the motor's connector, pinout, and network requirements before use.

 

 

Premier Cable supplies industrial cable assemblies and connector solutions for automation and motion control equipment. Confirm the connector interface, resistor specification, and wiring requirements against your equipment design. Contact Premier Cable with your device model or wiring diagram to discuss the required configuration.

 

 

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