Allen-Bradley
1794-OF8IH Allen Bradley 8-Channel Isolated Analog Output Module
In stock, ready to ship
Manufacturer: Allen-Bradley
Product No.: 1794-OF8IH
Product Type: Analog Output
Product Origin: Sweden
Payment: T/T
Weight: 1000g
Shipping port: Xiamen
Warranty: 12 months
Yes, we provide a 30-day money-back guarantee for all purchases.
Yes, all items come with a 12-month warranty from the date of shipment.
Allen-Bradley 1794-OF8IH
8-Channel Isolated Analog Output Module with HART
Product Overview
The 1794-OF8IH is an 8-channel isolated analog output module from the Allen-Bradley FLEX I/O series. It features integrated HART communication for intelligent field device integration, enabling precise analog signal generation and digital diagnostics.
Technical Specifications
| Attribute | Specification |
|---|---|
| Catalog Number | 1794-OF8IH |
| Module Type | Isolated Analog Output with HART |
| Number of Channels | 8 single-ended, isolated outputs |
| Output Signal Range | 0–20 mA or 4–20 mA (user configurable) |
| Resolution | 16-bit unipolar / 15-bit + sign bipolar |
| Conversion Type | Sigma-Delta |
| Conversion Rate | Typically 10 ms per channel |
| Data Format | Engineering Units, % Full Scale, RAW Count |
| Isolation Voltage | 50 V continuous (field to system) |
| Power Supply | 24 VDC nominal (19.2–31.2 VDC with 5% ripple) |
| Power Consumption | 190 mA @ 24 VDC |
| Flexbus Current | 80 mA @ 5 VDC |
| Terminal Base Compatibility | 1794-TB3G or 1794-TB3GS |
| Dimensions (H × W × D) | 46 × 94 × 53 mm |
| Operating Temperature | –20°C to +55°C |
| Certifications | CE, UL, ATEX, IECEx, RoHS |
Features
- Integrated HART protocol for real-time device diagnostics and configuration
- Channel-to-channel isolation ensures superior signal integrity
- Supports pass-through messaging to HART field devices from controllers or HMIs
- Compatible with FDT/DTM-based asset management platforms
- Factory calibrated with optional field calibration functionality
- Engineered for process industries requiring reliable analog output performance
- Ideal for use in remote I/O panels, control cabinets, and distributed architectures