Description
The DigiRail line of smart transmitters with Modbus RTU comunication interface provide a simple way for integrating analog or digital signals to supervisory systems. Featuring up to two universal input analog signal channels they are the most economical way to deliver analog inputs to PLC´s and SCADA systems. The input signals are isolated from power thus protecting the electrical instruments by eliminating ground loop effects. This reduces substantially the undesirable interferences and instabilities in sensor measurements.
– Analog inputs: programmable for thermocouples (J, K, T, E, N, R, S, B), Pt100, mV, V, mA
– Cold junction compensation for thermocouples and compensation for Pt100 3-wire cables
– Open loop detection for thermocouples, Pt100 and mV
– Sampling rate for 1 analog input: 10Hz for mV, V and mA. 5 Hz for t thermocouples and Pt100<
– Analog input resolution: 17 bits
– Digital inputs: in voltage, 4 to 35 V to activate. Internally limited current in 5 mA
– Digital outputs: 8 A / 250 Vac SPDT relay, resistive load
– Power: 10 to 35 Vdc, 50 mA maximum current 2-wire RS485 communication with Modbus RTU protocol
– Configurable address and baud rate (1,200 to 115,200bps)
– LED indicators for communication and status
– Key for resetting communication parameters to original factory default
– Accuracy (at 25 °C): Pt100, mV, V and mA: ±0.15 % of full scale. Thermocouples: ±0.25 % of full scale
– Temperature effect: 0.003 % of full scale/°C
– Cold junction compensation for thermocouples: 1 °C at 25 °C. ±0.05 °C / °C
– Isolation: 1000 Vac from inputs (analog or digital) and power or communication
– Windows based configurator software (free download)
– Dimentions: 72 x 78 x 19 mm
– Mounting: 35 mm DIN rail
– Working temperature: 0 to 70 °C
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