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CAS DataLoggers Joins Novus Automation to Introduce Digirail Smart Transmitter

CAS DataLoggers has introduced a Novus Automation’s DigiRail smart transmitter that performs digital signal conditioning and transmission. The Novus’ DigiRail I/O transmitter system is featured with a Modbus RTU communication, which ensures very simple, cost-effective integration of the analog and digital signals into management systems through the RS485 interface.

DigiRail smart transmitter for digital signal conditioning and transmission

The transmitter includes two universal input channels for flexible transfer of the analog signal inputs to SCADA and PLC devices.

Three models of Novus’ DigiRail transmitters are available with respect to its types of input/output, such as DigiRail-4C having 4 digital counters, DigiRail-1A and DigiRail-2A having 1 or 2 analog inputs respectively, and DigiRail-2R containing 2 timer relay outputs. The DigiRail device allows 2-wire communication with a configurable address at a baud rate ranging from 1,200 bps to 115,200 bps. The transmitter’s analog inputs can be programmed for Pt100, mA, mV, V and various types of thermocouples such as J, T, N, E, K, B, S and R. It gives an accuracy rate of +/-0.15% FS for Pt100, mA, mV and V, and about +/- 0.25% FS for the thermocouples. This device samples at a rate of 5Hz for Pt100 and T type thermocouple, and at 10Hz for mA, V and mV.

The device’s analog input includes a 17-bit analog signal resolution with linearization facility based on user needs, 35 mm DIN rail mounting, reset key for changing the parameters and LED for communication display. An isolation of 1000Vac/1 min is created between the smart transmitter’s input signals and power, which reduces ground loop interference and instabilities in the sensor measurement. The Novus’ transmitters are also featured with sensor break and open loop detection, and cold junction compensation. The transmitter operates with a voltage of 10-35 V DC and current of up to 50mA at a temperature range of 0-70°C.

The calibration and configuration of the complete features of this DigiRail can be performed easily through digital interface, by employing the Windows-based DigiConfig software. This software also performs automatic detection of the active systems in the Modbus RTU communication network.

Source: http://www.dataloggerinc.com

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