Description
Description
The Allen-Bradley 1756-OF4 is a 4-channel analog output module designed for the ControlLogix series, offering both current and voltage output signals. With high-resolution 15-bit accuracy, this module is ideal for modulating actuators, control valves, VFDs, and advanced automation applications. It features real-time channel sampling, floating-point or integer data formats, and on-board data alarming, ensuring precise control and reliability. Compatible with 1756-TBNH and 1756-TBSH removable terminal blocks, the 1756-OF4 seamlessly integrates into Rockwell Automation’s ControlLogix chassis.
Technical Data
| Specification | Details |
|---|---|
| Brand | Allen-Bradley |
| Manufacturer | Rockwell Automation |
| Series | ControlLogix |
| Part Number | 1756-OF4 |
| Outputs | 4 Channels (Voltage/Current) |
| Output Voltage Range | ±10V DC |
| Output Current Range | 4–20 mA |
| Resolution (Voltage) | 15-bit across 10.5V (320 µV/bit) |
| Resolution (Current) | 15-bit across 21mA (650 nA/bit) |
| Backplane Power | 5.8W (3.7W consumption) |
| Backplane Current | 150 mA @ 5.1V, 120 mA @ 24V |
| Power Dissipation | Max 4.9W @ 60°C |
| Enclosure | Open |
| Isolation Voltage | 50V continuous |
| Drive Capability | Voltage: >2000Ω, Current: 0-750Ω |
| Compatible RTBs | 1756-TBNH, 1756-TBSH |
| Calibration | Every 12 months, Accuracy < 0.05% |
| Certifications | Routine-tested at 1350V AC |
Click the official datasheet to discover more details: 1756 ControlLogix IO Modules Specifications
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