NE-INS-48 是一款設計用於受電裝置端的 RS-485 電力線傳輸收發器，內建開關調變（OOK）調製和解調功能，適用於數據通訊線路並可提供直流電源供應。將數據調製到雙絞線上，使得直流電源和數據通訊可以共用同一對雙絞線，從而顯著降低系統安裝成本。
NE-INS-48
RS485 PoDL Inserter
產品特色
RS-485 Bus with DC Power delivery
High noise immunity
Buad rate up to 38400 bps
Supports RS232 Modbus
Meet or exceed EMS requirement
Convert RS232 signal to RS485 PoDL
產品規格
| PARAMETER | CONDITIONS | MIN | TYP | MAX | UNIT |
|---|---|---|---|---|---|
| Operating Input Voltage | 10.8 | 12 | 25 | V | |
| Internal Power Dissipation | - | 6 | - | W | |
| Start up Time | Nominal Vin and constant resistive load | 10 | ms | ||
| Input Reflected Ripple Current | 20 | mApk-pk | |||
| Recommended input fuse | 12V Input | 0.5 | A | ||
| Output Voltage | Same as Vin | - | - | - | V |
| Output Voltage Accuracy | Nominal Vin | -3.0 | +3.0 | % | |
| Output Current Limit: | - | - | 0.5 | A | |
| Baud Rate | - | - | 38400 | bps | |
| Output Serial | RS232 | ||||
| Short Output Protection | Continuous and automatic recovery | ||||
| Temperature Coefficient | -0.02 | +0.02 | %/°C | ||
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產品描述
NE-INS-48將RS232信號轉換為OOK信號，並插入DC電源和數據線。OOK調變在數據極性上具有免疫性，方便系統安裝。無論數據線對的極性如何，DC輸出具有極性整流器，可提供DC+和DC-。
*NE-INS-48 和 NE-SPL-48 需要互相搭配使用
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