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Usb To Rs485/422
Features
- Onboard Original FT232RL and SP485EEN chip. Fast communication, stable and reliable, better compatibility.
- Onboard unibody power supply isolation, provides stable isolated voltage and needs no extra power supply for the isolated terminal.
- Onboard unibody digital isolation, allows signal isolation, high reliability, strong anti-interference, and low power consumption.
- Onboard TVS (Transient Voltage Suppressor), effectively suppresses surge voltage and transient spike voltage in the circuit, lightning-proof & anti-electrostatic.
- Onboard self-recovery fuse and protection diodes, ensure the current/voltage stable outputs, provide over-current/over-voltage proof, and improve shock resistance.
- Onboard 15KV ESD isolation protection and 600W lightning-proof & anti-surge protection.
- Onboard 120R terminal resistor on the RS485/RS422 ports, enable by default, configurable by jumper.
- 3x LEDs for indicating the power and transceiver status.
- Industrial rail-mount ABS case design, small in size, easy to install, and cost-effective.
Specification
| PRODUCT TYPE | Industrial grade isolated USB to RS485/422 converter | |
|---|---|---|
| Baud rate | FT232RNL | 300bps ~ 3Mbps |
| Host port | USB | |
| Device port | RS485/422 | |
| USB | Operating voltage | 5V |
| Connector | USB-B | |
| Protection | 200mA self-recovery fuse, ESD protection | |
| Transmission distance | About 5m | |
| RS485/422 | Connector | Screw terminal |
| Pins | A+, B-, PE | |
| Direction control | Hardware automatic control | |
| Protection | 600W lightningproof and surge-suppress, 15KV ESD protection (onboard 120R balancing resistor) | |
| Transmission distance | About 1.2km(low rate) | |
| Transmission mode | Point-to-multipoints (up to 32 nodes, it is recommended to use repeaters for 16 nodes or more) | |
| LED indicators | PWR | Red power indicator, light up when there is USB connection and voltage is detected |
| TXD | Green TX indicator, light up when the USB port sends data | |
| RXD | Blue RX indicator, light up when the device ports send data back | |
| Operating environment | Temperature | -15℃ ~ 70℃ |
| Humidity | 5%RH ~ 95%RH | |
| Operating system | Mac, Linux, Android, WinCE, Windows 11 / 10 / 8.1 / 8 / 7 | |
| Appearance | Enclosure | Rail-mount ABS case, suitable for 35mm DIN rail |
| Dimensions | 81.9 × 54.0 × 32.0mm | |
Interface Introduction
| Interface | PE | TA | TB | RA | RB |
|---|---|---|---|---|---|
| RS422 | Signal Ground | Send Differential Signal Positive T+ | Send Differential Signal Negative T- | Receive Differential Signal Positive R+ | Receive Differential Signal negative R- |
| RS485 | Signal Ground | Differential signal Positive A+ | Differential Signal Negative B- | NC | NC |
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