Intelligent Forward and Reverse Rotation Monitoring Protector

This product delivers cost-effective continuous monitoring and protection functions for large rotating machinery. It is a specially designed and developed solution for continuously monitoring and protecting mechanical equipment ranging from moderately critical to low-critical levels across multiple industrial sectors, applicable to petrochemical, oil & gas, power generation, water treatment, pulp & paper, machining, mining, cement and other industries. It covers large rotating machinery including large feed water pumps, chemical process pumps, large cooling tower fans, tunnel ventilators, blowers, induced draft fans, coal mills, centrifuges, mixers, large agitators, turbo compressors, reciprocating compressors, drive motors, generators, water turbines and more.

## Technical Specifications

3.5-inch capacitive touch screen for human-machine interface

Dual-channel rotational speed measurement display with a resolution accuracy of ±1 RPM; proportional progress bar display with a resolution accuracy of 1% and a maximum measuring range of 65,000 RPM

Maximum rotational speed value memory function

Capable of monitoring reverse rotation of rotating machinery and triggering alarms under dual-channel mode

Dual-channel rotational speed sensor input (supporting eddy current, Hall-effect and magnetoresistive rotational speed sensors) with real-time monitoring and display of sensor gap voltage

2-channel analog output (4~20mA output by default, 2-10V output optional)

4 switch relay outputs (alarm, danger, reverse rotation, sensor fault) with dynamic relay status indication (250V AC 5A / 30V DC 5A)

Parameters including sensor type, alarm value, danger value, alarm delay and measuring range are configurable for each channel

### Temperature Characteristics

Storage temperature range: -50 ~ +100℃

LCD operating temperature range: -20 ~ +70℃

Circuit operating temperature range: -40 ~ +85℃