SPSSeries base station DC remote power supply
Base station remote power supply
SPS series PHS base station DC remote power supply is a new type of intelligent remote power supply product developed and designed according to the PHS base station remote power supply specification. It has the advantages of high reliability, good safety, convenient use and maintenance, etc. Using this remote power supply system can save line resources and effectively replace traditional UPS.
◇Stable current
Digital keyboard operation, voltage and current can be adjusted from zero to rated value, output voltage and current value are preset. This product can work in constant voltage (CV) mode or constant current (CC) mode, the working mode is automatically switched, and the status of the working mode is indicated by LED. When the CV-LED is on, the power supply works in constant voltage mode, and when the CC-LED is on, the power supply works in constant current mode.
◇High precision, low ripple
The DC power supply adopts peak current control, has good load and power regulation rate, and has high output voltage and current accuracy. The output is equipped with a multi-stage filter, and the output ripple is low.
◇High efficiency
The soft-switching technology with the international advanced level makes the power supply high efficiency, low noise and high reliability; the efficiency of the whole machine is higher than 95%.
◇Complete protection function
There is an overload protection circuit inside the power supply to ensure the normal operation of the power supply equipment and the safety of the load.
◇Output display
Voltage and current are displayed by high-precision LED digital meter.
◇Digital control
Full digital control, voltage and current can be realized through digital programming; all calibrations are digital calibration, stable and reliable.
◇Remote control function
The power supply is equipped with an RS485 interface, which can communicate with the computer through the MODBUS protocol. Support multi-machine communication, reliable verification, each 485 interface supports up to 255 power supplies to monitor at the same time.
The computer can remotely monitor all parameters and states of the power supply.
The upper computer can realize remote parameter setting and control functions according to the authorization.
Central equipment characteristic index | ||
project | index | describe |
Input polarity protection | Reverse connection will not damage the equipment | reverse connection does not work |
Input voltage range | 43V~57VDC | |
Inrush current | ≤2A | |
The output voltage | 140V~380VDC | Externally adjustable |
Output Power | ≤350W | maximum |
Conversion efficiency | ≥85% | |
soft start | 1 second | |
Output undervoltage protection | 90V±2V | |
Output overvoltage protection | 395V±2V | |
Short circuit protection | long-term short-circuit | self-recovery |
Outputovercurrentprotection | 2.0A±0.1A | self-recovery |
Short circuit (ALO) | ≤200ms | 30S recovery after the fault is removed |
Open (AL1) | ≤200ms | 30S recovery after the fault is removed |
Current Limit (AL2) | ≤200ms | After the fault is resolved, reboot to restore |
Fire Wire Bonding (AL3) | ≤200ms | 30S recovery after the fault is removed |
Leakage protection (AL4) | ≤200ms | After the fault is resolved, reboot to restore |
Single open (AL5) | ≤200ms | 30S recovery after the fault is removed |
Overheatprotectiontemperature | 100℃ | The temperature dropped back to 75 degrees and recovered |
Monitoring interface | RS232 | |
Lightning protection | Standards compliant | |
Operating temperature | -10~55℃ | |
environment humidity | ≤95%(40℃±2℃) | |
size standard | 430x170x70 | mm |
weight | 1.5kg |
Remote device characteristic index | ||
project | index | describe |
Input voltage range | 90V~400VDC | |
The output voltage | 48V±2VDC | |
Output Power | 500W.800W. 1500W、2000w | maximum |
Conversion efficiency | ≥85% | |
soft start | 3 seconds | |
Short circuit protection | long-term short-circuit | self-recovery |
Size Standard | 270mm*210mm*110mm | |
weight | 3kg |