Allen-Bradley 1790D-TN4V0 | Analog Voltage Input Module
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Vendor:
Allen-Bradley
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Type:
Input Module
- Tags Input module
About the Product
Allen-Bradley 1790D-TN4V0 4-Channel Analog Voltage Input Module
Core Technical Specifications
- Brand: Allen-Bradley
- Model: 1790D-TN4V0
- Input Channels: 4 single-ended, non-isolated channels.
- Input Range: 0 to +10 Volts DC.
- Resolution: High 12-bit unipolar resolution (2.44 mV/bit).
- Data Format: Binary data from 0000 to 0FFF hexadecimal.
- Conversion Time: 10 ms per channel for precise sampling.
- Overall Accuracy: Excellent 0.2% of full scale accuracy.
- Operating Temperature: Stable performance from 0 to 55°C.
- Input Impedance: High 500 KΩ minimum to minimize loading.
Power & Electrical Characteristics
- DeviceNet Supply: 24V DC nominal (11 to 28.8V DC range).
- Field Power Supply: 24V DC nominal (21.6 to 26.4V DC range).
- Power Dissipation: Maximum 1.2W (network), 1.5W (field power).
- Insulation Resistance: 20 MΩ minimum at 250V DC between circuits.
- Isolation: 1250V AC rms photo-coupler isolation (I/O to logic).
Frequently Asked Questions (FAQ)
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How many voltage inputs does this module have?
The 1790D-TN4V0 provides four independent voltage input channels. -
What voltage range can it measure?
It measures standard 0 to +10 Volt DC signals from sensors and transmitters. -
What is the sampling rate or conversion time?
Each channel converts in 10 milliseconds for accurate data acquisition. -
Does it need periodic calibration?
No, this Allen-Bradley module is factory set and maintenance-free. -
What is the input impedance?
It features high 500 KΩ input impedance to avoid signal distortion. -
Can I expand the system with more modules?
Yes, you can add up to two expansion modules to this base unit for more I/O.
This input module is part of the reliable Allen-Bradley 1790 DeviceNet series for industrial automation.
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