Modbus & Serial Output Thermocouple Transmitter

Exceptional linearity & accuracy at high update rates. DIN Rail mounted, digitally programmable.
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Modbus Transmitters for thermocouples
Key Features
  • Universal AC switching power supply for 85-264 Vac
  • DIN rail mount housing only 22.5 mm wide
  • Detachable screw-clamp connectors
  • User selectable 4-20 mA, 0-20 mA or 0-10 Vdc linearized analog output
  • Analog output resolution: 0.0015% of span (16 bits)
  • Dual solid state relays for alarm or control, isolated
  • Factory calibrated for thermocouple types J, K, T, E, N, R, S
  • RS232 or RS485 serial communications, half or full duplex, isolated
  • Modbus RTU, Modbus ASCII or Laurel ASCII protocol
  • Highly accurate and repeatable
  • Upscale or downscale open sensor indication
Operation as a Fast ON/OFF Controller or Supervisory Monitor

Temperature controller operation of Laureate temperature meters and transmittersWith the optional dual solid state relay output option, which has a typical response time of only 17 ms, Laureate temperature meters and transmitters can serve as extremely fast and accurate ON/OFF controllers for closed-loop temperature control. They can also serve as supervisory process monitors and provide alarms or shutoffs when processes exceed normal limits.

Multiple setpoint operating modes are individually selectable for each relay, as explained in the dual-setpoint controller page. Relay duty cycles and chatter can be minimized with programmable hysteresis and time delays. A band deviation operating mode can be selected for each relay, where an alarm is generated whenever the reading is a selected number of counts above or below the setpoint. With Modbus, relay operation can be non-latching or latching, with reset provided by digital commands.

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