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SKU:1794-IF8IH
Allen-Bradley 1794-IF8IH 8-Channel HART Input Module Flex I/O
Manufacturer: Allen-Bradley
Product No.: 1794-IF8IH
Product Type: Analog Input Module
Product Origin: USA
Payment:T/T, Western Union
Weight: 500g
Shipping port: Xiamen
Warranty: 12 months
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Allen-Bradley 1794-IF8IH FLEX I/O HART Analog Input Module
The Allen-Bradley 1794-IF8IH is a FLEX I/O HART analog module featuring 8 isolated single-ended inputs. Using Sigma-Delta conversion with 16-bit unipolar and 15-bit bipolar resolution, this module provides reliable analog signal acquisition. Operating on 19.2 to 31.2 V DC, it consumes 4.8 W maximum. Weighing approximately 0.5 kg (1.1 lbs), it measures 3.7 x 3.7 x 2.6 inches and operates from 32°F to 131°F.
Technical Specifications
| Parameter | Value |
|---|---|
| Manufacturer | Allen-Bradley / Rockwell Automation |
| Part Number | 1794-IF8IH |
| Series | Flex I/O 1794 |
| Inputs | 8 (Isolated, single-ended) |
| Outputs | None |
| Conversion Type | Sigma-Delta |
| Unipolar Resolution | 16 bits |
| Bipolar Resolution | 15 bits plus sign |
| External DC Voltage | 19.2 to 31.2 V DC (5% AC ripple) |
| Flexbus Current | 80 mA @ 5 V DC |
| Power Dissipation | 4.8 W max @ 31.2 V DC |
| Thermal Dissipation | 16.4 BTU/hr @ 31.2 V DC |
| Operating Temperature | 32°F to 131°F (0°C to 55°C) |
| Enclosure | Open |
| Dimensions (W x H x D) | 3.7 x 3.7 x 2.6 in (94 x 94 x 66 mm) |
| Weight | Approx. 0.5 kg (1.1 lbs) |
| UPC | 10612598346902 |
Compatible Terminal Bases
- 1794-TB3
- 1794-TB3S
Installation & Field Application Guide
- Mount the module on a compatible terminal base (1794-TB3 or 1794-TB3S). Ensure secure seating.
- Use shielded wiring for signal connections. Signal ports are wiring category 2; power ports are wiring category 3.
- Verify external DC voltage is between 19.2 and 31.2 V DC with less than 5% AC ripple.
- Field calibration is available if factory calibration does not meet application requirements.
Why Choose the 1794-IF8IH
- 8 isolated HART analog inputs with Sigma-Delta conversion for high accuracy.
- 16-bit unipolar and 15-bit bipolar resolution for flexible signal measurement.
- North American Hazardous Location approval for safe operation in industrial environments.
- Field calibration capability allows in-situ adjustment without factory return.
Field Engineer FAQs
Q1: What is the difference between isolated and non-isolated inputs on this module?
A1: The 1794-IF8IH provides isolated inputs, meaning each channel is electrically separated from the module's backplane and other channels, reducing ground loop noise and protecting the system from field-side faults.
Q2: Can this module communicate HART data?
A2: Yes, the 1794-IF8IH supports HART communication, allowing access to device diagnostics and configuration parameters from connected HART field instruments.
Q3: What wire size should I use for the 1794-IF8IH?
A3: Wire size depends on the terminal base used. Refer to the terminal base documentation. Use shielded wiring for signal ports (category 2) and appropriate gauge for power ports (category 3).
Inquiries: sale@etowonauto.com
Ytterligere spesifikasjoner
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For mer informasjon, vennligst se vår Frakt- og returpolicy.

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