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Home › Products › Protocol Converters › WT20C
Protocol Converters
Two independent Modbus RTU masters read and write the same downstream slave — simultaneously, with transparent passthrough, firmware bus arbitration and a CRC-16 check on every frame. No re-cabling, no protocol changes.
Both masters poll at the same time. The WT20C lets one query straight through and holds the other in queue, then serves it the moment the slave is free — each reply is routed back to the master that asked. Arbitration completes in under 50 ms, so neither master notices, and the CRC-16 of every frame is checked.
| Topology | 2 Masters : 1 Slave (shared-bus arbitration) |
|---|---|
| Protocol | Modbus RTU — transparent passthrough |
| Response Time | < 50 ms per master query |
| Ports | 3 × RS485 half-duplex (2 masters + 1 slave) |
| Baud Rate | 2400 – 115200 bps, one setting shared by all three ports |
| Checksum | CRC-16 checked on every frame |
|---|---|
| Power | 12–24 V DC, reverse-polarity protected |
| Consumption | < 120 mA @ 12 V |
| Operating Temp | −20 to +70 °C |
| Enclosure | ABS · desktop / DIN-rail · 8-pin terminal |
Machine connectivity, PLC integration, and production line telemetry in manufacturing environments.
Power metering, consumption tracking, and grid-edge data collection for energy management systems.
HVAC, lighting, and environmental control integration for commercial and industrial facilities.
General-purpose edge connectivity for OEM and integrator IoT platforms across verticals.
