Compatible gateway

USR-DR134

Wired Ethernet gateway

Converts RS485/Modbus RTU to Ethernet, so a chiller or probe on your site reaches Phoenix over a stable, always-on wired connection. DIN-rail mount, hardware watchdog, −40…+85°C.

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How it connects

Key features

  • Transparent RS485/Modbus RTU to Ethernet conversion
  • Modbus RTU/TCP gateway with polling and multi-host support
  • Built-in MQTT client (up to 4 publish/subscribe topics)
  • DIN-rail mount with a push-type power connector
  • Hardware and software watchdog with auto-reconnect
  • Wide operating range and ESD/surge protection for cabinet installs

Technical specifications

Connectivity1× RJ45 (10/100 Mbps) + 1× RS485
ProtocolsModbus RTU/TCP, MQTT, TCP/UDP/HTTP
Power supply5–24V DC, ~97mA @ 5V
Dimensions74×24×22 mm
Mounting35mm DIN-rail
Operating temperature−40…+85°C
ReliabilityHardware & software watchdog, auto-reconnect, ESD/surge protected

Full manufacturer specifications: pusr.com

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