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Novus Automation
DigiRail Signal Conditioner

DigiRail Signal Conditioner

Product catalog summary

Introduction
The DigiRail line of smart transmitters by Novus Electronics provides a straightforward solution for integrating analog or digital signals into supervisory systems using a Modbus RTU communication interface. These transmitters are designed to be cost-effective for delivering analog inputs to PLCs and SCADA systems, featuring up to two universal input analog signal channels. The input signals are isolated from power, which helps in eliminating ground loop effects and reducing interferences in sensor measurements.

Specifications and Models
The DigiRail transmitters come in three models based on input or output types:

DigiRail-1A and DigiRail-2A: 1 or 2 universal analog inputs.
DigiRail-4C: 4 digital counters.
DigiRail-2R: 2 timer relay outputs.

Key specifications include:

Analog inputs programmable for various thermocouples, Pt100, mV, V, mA.
Cold junction compensation for thermocouples and Pt100 3-wire cables.
Sampling rate: 10Hz for mV, V, mA; 5Hz for thermocouples and Pt100.
Analog input resolution: 17 bits.
Digital inputs activated by 4 to 35V, with a 5mA current limit.
Digital outputs: 8A / 250Vac SPDT relay.
Power requirements: 10 to 35Vdc, 50mA max current.
RS485 communication with Modbus RTU protocol.
Accuracy: ±0.15% for Pt100, mV, V, mA; ±0.25% for thermocouples.
Temperature effect: 0.003% of full scale/°C.
Isolation: 1000Vac from inputs and power/communication.

Configuration
Configuration is performed via the RS485 interface using Modbus RTU commands. The DigiConfig software facilitates the configuration, calibration, and diagnosis of all DigiRail features, automatically detecting active devices in the Modbus network.

Electrical Connections and Dimensions
The DigiRail transmitters are designed for easy installation on a 35mm DIN rail. The dimensions are 72 x 78 x 19mm. The document provides detailed block diagrams and connection instructions for each model.

Input Types and Ranges
The document includes a table listing the input types and their respective measuring ranges, which are user-configurable. Custom linearization is optional for these inputs.

Catalog excerpts

Measuring range and engineeringunits are user configurable.Custom linearization is optional. INPUTThermocouple JThermocouple KThermocouple TThermocouple EThermocouple N Thermocouple RThermocouple SThermocoupleBPt1000 to 50mV0 to 20mV-10 to 20mV0 to 5V0 to 10V0 to 20mA4 to 20mA MEASURING RANGE-130 to 940C / -202 to 1724аF-200 to 1370C / -328 to 2498аF-200 to 400C / -328 to 752аF-100 to 720C / -148 to 1328аF-200 to 1300C / -328 to 2372аF0 to 1760C / 32 to 3200аF0 to 1760C / 32 to 3200аF500 to 1800C / 932 to 3272аF-200 to 650C / -328 to 1202аF Table 1 > 19 mm 69 mm Obs.: Terminals 6 and 12 are connected...

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.

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