Description
Description
The FLEX I/O 8 Input HART Analog Module – 1794-IE8H/B provides high-performance measurement and control for industrial automation applications. This module is designed for precise analog input processing, offering exceptional resolution, accuracy, and fast response times, making it ideal for industries requiring reliable data and seamless integration.
With 8 single-ended inputs, this module delivers flexibility and ease of use in demanding environments. The compact design ensures easy installation while maintaining robust performance. Additionally, the module features HART communication capabilities, offering both analog and digital communication.
Technical Data
| Attribute | Value |
|---|---|
| Brand | Allen-Bradley (Rockwell Automation) |
| Model | 1794-IE8H/B |
| Number of Inputs | 8 single-ended, non-isolated |
| Module Base | 1794-TB3G, 1794-TB3GS |
| Resolution | 16 bits |
| Absolute Accuracy | 0.1% Full Scale @ 20 °C (68°F) |
| Accuracy Drift with Temp. | 0.05% Full Scale (0 °C…55 °C) |
| Functional Data Range | >17V @ 22 mA, >23V @ 0 mA |
| Data Format | Configurable |
| Step Response (99%) | 80 ms |
| Conversion Type | Successive approximation |
| Input Terminals | 0, 2…4, 6, 8, 10…14, 17, 19, 21…23, 25…31 |
| Power Supply | 24V DC nominal (1794-PS13), 19.2…31.2V DC (5% ripple) |
| Indicators | 8 red fault indicators, 8 yellow channel indicators, 1 green power indicator |
| Isolation Voltage | 50V (continuous), routine tested at 850V DC |
| Voltage Variation | IEC 61000-4-29: 10 ms interruption on DC supply ports |
| Flexbus Current | 5V DC 80 mA, 24V DC 190 mA |
| Power Dissipation (Max.) | 3.9 W @ 31.2V DC |
| Enclosure Type Rating | None (open-style) |
| Wire Size | Determined by terminal base |
| Thermal Dissipation (Max.) | 13.5 BTU/hr @ 31.2V DC |
| Keyswitch Position | 3 |
| Dimensions (HxWxD) | 46.0 x 94.0 x 75.0 mm (1.8 x 3.7 x 2.95 in.) |
| Weight | 200 g (7.05 oz) |
| Temperature Code | North American T4A, IEC T4 |
Ordering Information
- Catalog Number: 1794-IE8H (Series B)
- Power Supply: 1794-PS13 (sold separately)
- Terminal Base Options: 1794-TB3G or 1794-TB3GS (sold separately)
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