Product Details:
DeviceNet Micro-C Termination Resistors are essential in preventing impedance in cable ends. They are installed between Can+ and Can-, not to ground. Once installed to the end of a Devicenet Micro-C cable, their purpose is to stop the characteristic impedance of the wire from increasing. In this way, they serve to help protect the data transmission signal and ensure that the equipment is functioning properly. Premier Cable carries the Micro-C termination resistors in both male and female ends.
Temperature range: -40 °C…+80 °C
Internal resistor 120 Ω, 1/2 W
Type: M12 × 1 female connector, 5-pin
For use in CAN (DeviceNet, CANopen) applications
Protection class: NEMA 1, 3, 4, 6P and IEC IP68, IP69K
Rated voltage: 10…30 VDC (max. 7.6 VDC on pins with resistor)
NMEA 2000 is a network protocol for marine and marine applications built on Controller Area Network (CAN) technology. In NMEA 2000 networks, termination resistors are a key component used to ensure network communication stability. The terminating resistor is usually a 120 ohm resistor installed at both ends of the NMEA 2000 network. Its functions are as follows:
1. Signal impedance matching: The main function of the terminal resistor is to match the signal impedance of the network. NMEA 2000 networks use an impedance of 120 ohms, so the termination resistors are also 120 ohms. By ensuring that there are termination resistors at both ends of the network, you can prevent signal reflection and interference in the network, thereby ensuring signal quality and communication stability.
2. Signal stability: Terminal resistors help stabilize network signals and prevent signal distortion in the network. This is critical to maintaining communications reliability in a ship environment, which may be exposed to a variety of electromagnetic interference and environmental conditions.
3. Device identification: Installing terminal resistors can help devices in the network identify the end of the network. When terminal resistors are properly installed at both ends of the network, other devices in the network can identify these terminals and automatically adjust network parameters to ensure optimal communication performance.
When installing an NMEA 2000 network, it is very important to correctly install and configure the termination resistors. Ensuring that the terminal resistors are correctly installed at both ends of the network can effectively maintain the communication stability and reliability of the network.
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