DigiRail Modbus Modules
The DigiRail line of smart transmitters with Modbus RTU comunication interface provides a simple way of integrating analog or digital signals to supervisory systems.
There are three models to choose from, a 4-channel digital input/counter unit, a 2-channel universal analogue input unit and  a 2-channel relay output units.
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.
All the DigiRail modules can be easily configured and calibrated via the digital interface by using the Windows based Digiconfig software
You can use the Superview software or ISEE-Modbus Software to monitor and set parameters in the Digirail Units.

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Digirail 4 Channel Digital Input/Counter Module
This module can be used to monitor the status of digital inputs or count pulses.
Features of the module include -

• Digital inputs: in voltage, 4 to 35V to activate. Internally limited current to 5mA.




• Maximum count frequency: 1000 Hz for signals with square wave and working cycle of 50%. Input 1 can be configured for counting signals of up to 100 kHz.




• Counting capacity (per input): 32 bits (0 to 4294967295)




• Power: 10 to 35Vdc, 50mA 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.




• Isolation: 1000Vac from inputs (analog or digital) and power or communication.




• Windows based configurator software.




• Dimensions: 72 x 78 x 19mm.




• Mounting: 35mm DIN rail.




• Working temperature: 0 to 70°C.

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Digirail 2 Channel Universal Analog Input Module
This module can be used to monitor 2 analog inputs.
Features of the module include -

• 2 Analogue 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 t thermocouples and Pt100.




• Analogue input resolution: 17 bits.




• User defined linearization for the analogue inputs.




• Power: 10 to 35Vdc, 50mA 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.




• 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: 1000Vac from inputs (analogue or digital) and power or communication.




• Windows based configurator software.




• Dimensions: 72 x 78 x 19mm.




• Mounting: 35mm DIN rail.




• Working temperature: 0 to 70°C.

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Digirail 2 Relay Output Module
This module can be used to control 2 relay outputs.
Features of the module include -

• 2 Relay outputs: 3A / 250Vac SPDT relay, resistive load.




• Power: 10 to 35Vdc, 50mA 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.




• Isolation: 1000Vac from inputs  and power or communication.




• Windows based configurator software.




• Dimensions: 72 x 78 x 19mm.




• Mounting: 35mm DIN rail.




• Working temperature: 0 to 70°C.

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Purchasing
All prices are in Australian Dollars. Prices do not include GST (Goods and Services Tax). 10% GST applies to goods delivered in Australia. Australian GST is not paid on shipments despatched to an international destination. You can check the exchange rate by going to http://www.x-rates.com