China Twintex Ppw-4520 RS485 RS232 Precision Variable Voltage 30V 36V 45V 20A Regulated Switchable Programmable DC Power Supply, Find details about China Switchable Programmable Power Supply, Programmable Regulated Power Supply from Twintex Ppw-4520 RS485 RS232 Precision Variable Voltage 30V 36V 45V 20A Regulated Switchable Programmable DC Power Supply
PPA | PPS | PPW | PPM | TPM | |
Display | 4.3-inch TFT LCD | 4.3-inch TFT LCD | 4.3-inch LCD | 4.3-inch LCD | 122*32 LCD |
Rated Power | 400W 850W 1500W | 300W 600W 900W | 300W 600W 900W | 90W~375W | 90W~180W |
Voltage Ripple | 50mVpp | 30mVpp | 30mVpp | 1mVrms | 1mVrms |
USB Host | √ | √ | × | × | × |
USB Device | × | × | × | × | √ |
RS232 | √ | √ | √ | √ | × |
RS485 | √ | √ | Optional | Optional | × |
Analog Control 0-5V | × | √ | Optional | Optional | × |
Remote Sensing | √ | √ | √ | √ | × |
Battery Charge Mode | √ | √ | √ | √ | × |
Low resistance measurement | √ | √ | √ | √ | × |
List Mode | √ | √ | √ | √ | √ |
19-Inch Rack Compatible | √ | √ | √ | √ | × |
(0ºC~40ºC) | PPW-1560 | PPW-2045 | PPW-3030 | PPW-3625 | PPW-4520 | |||||
Rated output | Voltage | 0~15.5V | 0~20.5V | 0~31V | 0~36.5V | 0~45.5V | ||||
Current | 0~60.5A | 0~45.5A | 0~31A | 0~25.5A | 0~20.5A | |||||
Line regulation | Voltage | ≤0.01%+4mV | ||||||||
Current | ≤0.2%+3mA | |||||||||
Load regulation | Voltage | ≤0.1%+5mV | ||||||||
Current | ≤0.2%+5mA | |||||||||
Setting accuracy | Voltage | ±(0.03% of reading + 10mV) | ||||||||
Current | ±(0.1% of reading + 0.1% of FS) | |||||||||
Setting resolution | Voltage | 1mV | ||||||||
Current | 1mA | |||||||||
Reading accuracy | Voltage | ±(0.02% of reading +5mV) | ||||||||
Current | ±(0.1% of reading + 0.1% of FS) | |||||||||
Reading resolution | Voltage | 1mV | ||||||||
Current | 1mA | |||||||||
Ripple&Noise (20Hz~20MHz) | Voltage | ≤2mVrms, 30mVpp | ||||||||
Current | ≤10mArms | |||||||||
Rise time | Empty load | ≤200ms | ≤300ms | ≤500ms | ≤300ms | ≤300ms | ||||
Full load | ≤300ms | ≤1ms | ≤1ms | ≤1ms | ≤1ms | |||||
Fall time | Empty load | ≤2s | ≤2s | ≤2s | ≤3s | ≤3s | ||||
Full load | ≤2ms | ≤2ms | ≤2ms | ≤3ms | ≤3ms | |||||
Recovery time | ≤1.5ms (50% load change) | |||||||||
Temperature Coefficient | ≤100ppm/ºC | |||||||||
Efficiency | 80% typical | |||||||||
Power factory | 0.98 | |||||||||
Protection | Over load, over voltage, over current, over temperature and reverse polarity protections | |||||||||
O.V.P setting range | 0.1~18V | 0.1~24V | 0.1~34V | 0.1~40V | 0.1~55V | |||||
O.C.P setting range | 0.1~62 A | 0.1~50A | 0.1~34A | 0.1~27.5A | 0.1~22A | |||||
Remote sense function | Maximum compensation voltage 5% of FS | |||||||||
Battery charge | Lithium battery curve charge | |||||||||
Digital interface | RS232 interface, Support SCPI; Optional RS485 interface, support ModBus commands | |||||||||
Analog interface | Optional 0-5V analog control for output ON/OFF, voltage & current control & monitor | |||||||||
Memory | 300 sets | |||||||||
Insulation | Between base and terminals: ≥20MΩ/500VDC Between base and AC line: ≥30MΩ/500VDC | |||||||||
Operating environment | Indoor use | Altitude: ≤2000m | Ambient temperature: 0~40ºC | |||||||
Relative humidity: ≤80% | Installation category: II | Pollution degree: 2 | ||||||||
Storage environment | -10ºC~70ºC, ≤70%RH | |||||||||
Power source | AC220V±10%, 50/60Hz | |||||||||
Accessories | Power cord x1, Operation manual x1, RS232 cable x1, Software CD x1 | |||||||||
Dimension (WxHxD) | 215x89x412mm | |||||||||
Weight | 5.5kg |