Inquiry DC screen monitoring module PMU-S31.PMU-S40, PMU-S51 are sold with new and original packaging

Description of DC screen monitoring module PMU-S51:

The PMU-S5 monitoring module mainly performs main functions such as DC charging, feeder detection, and battery management.

Main performance parameters:

● Working power supply: 85V~320VDC, 176V~264VAC

● Large power consumption: ≤ 10W

● Working temperature: - 5 ℃~40 ℃

● Altitude: ≤ 2500m

● Internal communication port: RS485

● Background communication port: RS485 and RS232

● Battery management: automatic equalizing and floating charge conversion

Charge current limiting timing equalizing charge temperature compensation

● Control function: high-frequency rectifier module on/off

High frequency rectifier module current limiting regulation High frequency rectifier module voltage regulation Battery equalizing/floating charge conversion

● Alarm function: output an alarm trunk node

Buzzer audible alarm

● Insulation strength: withstand voltage of communication port to ground: 500VAC/1Min

Power port to ground withstand voltage 2500VAC/1Min Power port to communication port withstand voltage 2500VAC/1Min

Performance characteristics:

● Comply with high-level international standards for immunity, ensuring stable and reliable operation

● Set data password protection to ensure equipment maintenance and operation permissions

Large screen LCD Chinese display, friendly interface, easy to operate

● Monitoring can simultaneously manage two sets of batteries and monitor two sections of bus data

● Provide RS232 and RS485 hardware interfaces to facilitate access to remote monitoring systems

● Support CDT and MODBUS protocols, easy access to remote monitoring systems

● Can store 100 historical fault data and 24 charging records