Novus DigiRail 2A Dual Universal Analog Input Modbus Module

Description: 

The Novus DigiRail series of Modbus RTU IO modules are rugged, isolated DIN rail mount units for SCADA or PLC systems. The DigiRail-2A features 2 universal analog inputs that accept a wide variety of temperature sensors and analog signals.

Note 1: The use of voltage scale inputs require moving jumpers inside the unit

The DigiRail units are configured over Modbus using a simple Windows utility (included on CD in the box and available from the Novus website). You will need a serial or USB to RS-485 converter to communicate with the unit from a PC.

Features:

• 2 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 analogue input: 10Hz for mV, V and mA. 5Hz for thermocouples and Pt100
• Electrical isolation between inputs and supply/serial ports: 1000Vac
• 17 bit analog input resolution
• User defined linearisation for the analog inputs
• 10 to 35 VDC powered, 50 mA maximum current
• 2-wire RS485 communication with Modbus RTU protocol. Configurable address and baud rate (1,200 to 115,200 bps)
• LED indicators for communication and status
• 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
• 1000 VAC isolation from inputs (analogue or digital) and power or communication.
• Windows based configurator software.
• Dimensions: 72 × 78 × 19 mm.
• Mounts on standard 35 mm DIN rail.
• Working temperature: 0 to 70 °C.