Modbus Protocol Railway Usage Current Sensor
Product Description
PRODUCT OVERWIEW
The sensor adopts linear optocoupler signal transmission, the primary side input and secondary side output are completely isolated, effectively overcome common mode interference, miniaturization, micro power consumption, suitable for intensive installation.
Product Features
Excellent performance and cost performance
Excellent accuracy, good linearity
Strong resistance to external interference, high common mode rejection ratio
Low temperature drift, fast response time, wide frequency band
Complete isolation between primary and secondary
Scope of Application
Automatic Control
Measuring Meter
Railway Monitoring System
Circuit Monitoring System
Technical Parameter
| Specification | 120V/3.53V | 250V/3.53V | 380V/3.53V | Unit | |
|---|---|---|---|---|---|
| VPN | Primary Rated Input Voltage | 120 | 250 | 380 | V |
| VP | Primary Voltage Measurement Range | 0～150 | 0～300 | 0～450 | V |
| VSN | Secondary Rated Output Voltage | 3.53 | V | ||
| VC | The Power Supply Voltage | +12(±5%) | V | ||
| IC | Current Consumption | ＜10 | mA | ||
| Vd | Insulation Voltage | Between Primary and Secondary Circuits: 1.5kV/50Hz/1min | |||
| εL | Linearity | ＜0.2 | %FS | ||
| X | Precision | TA=25℃:≤±0.5 | % | ||
| V0 | Offset Voltage | TA=25℃:≤±25 | mV | ||
| VOT | Offset Voltage Temperature Drift | VP=0 TA=-40～+80℃时:≤0.1 | mV/℃ | ||
| Tr | Response Time | ≤15 | μS | ||
| f | Bandwidth | DC | |||
| TA | Working Temperature | -40～+80 | ℃ | ||
| TS | Storage Temperature | -45～+85 | ℃ | ||
Shape and Installation Dimensions
Circuit Link Diagram
Illustrate:
IN+:Primary Positive Signal Input
IN-:Primary Side Negative Signal Input
1 :Positive 12V Power Supply
2 :Null
3 :Power Ground
4 :Secondary Side Negative Signal Output
6 :Secondary Positive Signal Output
IN-:Primary Side Negative Signal Input
1 :Positive 12V Power Supply
2 :Null
3 :Power Ground
4 :Secondary Side Negative Signal Output
6 :Secondary Positive Signal Output
GIN:Amplitude Adjustment
Installation Precautions
The sensor should be wired correctly, otherwise it may damage the internal components of the sensor