Products Description
| Company Information | |||
| [email protected] | |||
| Mobile | +8613950166376 | ||
| +8613950166376 | |||
| 13950166376 |
Technical Specifications
| Specification | Details |
|---|---|
| Product Name | Allen-Bradley 1756-OF8H ControlLogix HART Analog Output Module |
| Module Type | Analog output module with HART communication |
| Series | ControlLogix 1756 I/O family |
| Number of Outputs | 8 analog output channels |
| Output Signal Types | 4–20 mA with HART digital communication |
| HART Protocol | HART Revision 5/6 compatible |
| Resolution | 16 bits |
| Accuracy | ±0.1 % of full scale typical |
| Update Time | ~1 ms per channel |
| Load Requirement | ≤600 Ω typical loop resistance |
| Isolation Voltage | ~250 V continuous (channel-to-backplane) |
| Backplane Current (5.1 VDC) | ~450 mA |
| Backplane Current (24 VDC) | ~5 mA |
| Power Dissipation | ~5.5 W @ full load |
| Diagnostics | Channel diagnostics, HART device status, loop fault detection |
| Connection Type | Removable terminal block (e.g., 1756-TBNH / 1756-TBSH) |
| Mounting | Installed in ControlLogix chassis slot |
| Operating Temperature Range | 0 °C to 60 °C |
| Storage Temperature Range | –40 °C to 85 °C |
| Relative Humidity (Non-condensing) | 5 % to 95 % |
| Dimensions (H × W × D) | ~300 mm × 38.1 mm × 111.25 mm |
| Weight | ~0.36 kg |
FAQ
FAQ
Q1: What is the main function of the 1756-OF8H module?
It provides 8 analog current outputs with integrated HART communication for smart field devices.
Q2: What type of signals does it output?
It outputs 4–20 mA signals with superimposed HART digital communication.
Q3: What is HART used for in this module?
HART allows digital communication with field instruments for configuration, diagnostics, and monitoring.
Q4: How many channels support HART?
All 8 output channels support HART communication.
Q5: What load can each channel support?
Each loop typically supports up to 600 Ω resistance.
Q6: Does the module provide diagnostics?
Yes, it includes channel-level diagnostics and HART device status monitoring.
Q7: What are the physical dimensions and weight?
The module measures about 300 mm × 38.1 mm × 111.25 mm and weighs approximately 0.36 kg.
Q8: What are the environmental limits?
It operates from 0 °C to 60 °C and can be stored from –40 °C to 85 °C.
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Packing & Delivery
We will use wear-resistant cartons to seal the boxes, and take photos for your confirmation before sealing. We will pack the boxes only after confirmation.
For express delivery, we will use DHL, UPS, TNT, FedEx and EMS.
Please rest assured that we have a deep cooperation with express delivery companies and can ensure that your goods are delivered to you in good condition.
