Field Supervision Unit with Data Acquisition and Processing Support Intelligent Protocols and Communication for Telecom Power System of Base Stations
1) Introduction:
PM5000TT is a newly design Field Supervision Unit (FSU) for telecommunication station and outdoor integrated power cabinets, it is designed with a built-in 4G wireless module.
It is used for acquisition of various field environment parameters, power equipment operation parameters, and various kinds of switch value alarm signals, for realizing the functions of data acquisition and storage, output control, remote communication, etc.
2) Technical Parameters:
| Items | Parameter | Description |
| AI/DI Input | 8 | 0-5V Analog or Digital Input; Analog Acquisition Precision: 0.5%; DI Acquisition Precision: 100%; |
| DI Input | 16 | Acquisition Precision: 100% |
| DO Output | 4 | 1A/30V, DO Precision: 100% |
| Intelligent Interface (South Interface) | 8 | 4 R232/485 configurable serial ports; 4 RS485 serial ports; 1200-19200bps; |
| RJ-45 | 4 | 10M/100M Ethernet ports; IEEE 802.3 10/100 Base-T; |
| 4G (North Interface) | 1 | Embedded 4G module for multiple standard |
| DC 12V Ouput | 6 | 12VDC±10%, current > 2A; power > 15W Power supply for sensor |
| Flash | 4G | Historic Data Storage over 3 months |
| LED | 4 | Power, Running, Network, Alarm |
| Power Supply | -36 to -72VDC | Anti-Inversed |
| Dimension & Mounting | 1U, 180mm | 19 inch 1U Rack Chassis |
| Operation Temperature | -20 to 60℃ | |
| Operation Humidity | 95% | |
| Power Port Lightning | | Common Mode: 5KA; Difference Mode: 5KA |
| Signal Port Lightning | | Common Mode: 3KA; Difference Mode: 2KA |
| Protection Level | IP20 | |
| Power Consumption | 25W | |
| MTBF | >100000h | |
| Watchdog | | Hardware Watchdog |
3) Environment Status Monitoring and Control
- Temperature and Humidity - via T&H Sensor
- Smoke status - via Smoke Sensor
- Motion Detection - via Infrared and Microwave Dual Passive Sensor
- Water Logging Status - via Water Sensor
- Video Snapshot and Storage - via IP camera
- Remote Lighting Control - via Lighting controller
- Remote Entrance Control - via Entrance Guard Controller
4) User Interface:
This equipment provides a user friendly interface, providing easy accessing and viewing of all the monitored parameters of user’ system. With deployment in multiple sites, user can realize one-click checking of status of every site.
5) Network Topology:
This equipment supports connection of multiple power supply resources, including main power, solar power and diesel generator. Through connection with various kinds of sensors, it realizes all-around monitoring and control for field environments and power supply status, including parameters of temperature and humidity, door access, smoke, water immerse, air conditioner, switch power, electric meter, diesel generator status, battery charging status. Below is the main topology of its connection in user's system:
