Position sensors in servo drives are key components for precise control of motor rotor position. It provides feedback to the servo system to ensure that the motor is operating accurately according to preset position, speed and acceleration instructions. Position sensors are crucial in high-precision positioning applications such as robots, CNC machine tools and automated assembly lines.

Common types of position sensors include:

l Encoder (incremental and absolute)

l Rotary transformer

l Hall effect sensor

These sensors need to have the following characteristics:

Industrial grade operating temperature range: usually -25°C to 80°C.

High Electromagnetic Compatibility (EMC) immunity: complies with IEC61800-3 to ensure stability in complex electrical environments.

Robust industrial interface: Reduce electromagnetic interference (EMI) for reliable communication.

Stable operation over a wide temperature range: ensures performance in different environments.

Small size and low power consumption: A compact design for space-constrained applications.

Shanghai Leiditech for servo drive position sensor related interface protection has a perfect program recommendation, Lei-MAO EMC small brother to the absolute magnetic encoder example to introduce, the system outline block diagram is as follows:

Leiditech adopts S1M and GBLC24C to protect the conventional 4-20mA 24 power supply sensitive sensor chip, small package, low capacitance, high current protection. Meet IEC61000-4-2, grade 4, contact discharge 30kV, air discharge 30kV.

Shanghai Leimo for RS485, RS422, Ethernet, CAN, sensor interface, DC 5V power supply recommended for electrostatic and surge protection as follows (if you need more stringent protection standards, you can consult separately)

If you need a detailed introduction to the interface protection scheme, please pay attention to Shanghai Leimo public number or contact EMC Brother.

Leiditech is a leading brand in the supply of electromagnetic compatibility solutions and components. Can supply ESD, TVS, TSS, GDT, MOV, MOSFET, Zener, inductor and other products. Lei MAO has an experienced R & D team, can provide personalized customized services according to customer needs, to provide customers with the best quality solutions.