Product details
Overview
The Allen-Bradley 1756-OF8 is an advanced analog output module designed for use within the ControlLogix platform by Rockwell Automation. This module provides versatile output capabilities, offering 8 analog output channels that are configurable to transmit voltage and current signals.
Technical Specifications:
| Specification | Value |
|---|---|
| Module Type | Analog Output Module |
| Part Number | 1756-OF8 |
| Brand | Allen-Bradley (Rockwell Automation) |
| Number of Outputs | 8 Channels |
| Output Signal Types | ±10V DC, 0-20 mA |
| Resolution | 15 Bits |
| Current Output Range | 0-20 mA |
| Voltage Output Range | ±10 V DC |
| Conversion Method | R-Ladder DAC with no missing codes |
| Data Format | Integer mode (left justified, 2’s complement) IEEE 32-bit floating point |
| Scan Time | 12 ms (floating point), 8 ms (integer) |
| Power Dissipation | 4.9 Watts at 60°C |
| Backplane Current (5V) | 140 mA |
| Backplane Current (24V) | 210 mA |
| Isolation Voltage | 50 V continuous, 250 V (with reinforced insulation tested to 1350V AC for 2 seconds) |
| Temperature Range | 0 to 60°C |
| Vibration Resistance | 2G (10-500 Hz) |
| Shock Resistance | 30G |
| Terminal Block Types | 1756-TBNH (standard), 1756-TBSH (shielded) |
| Supported Wire Size | 0.33 to 2.1 mm² (22 to 14 AWG), solid or stranded |
| Certifications | UL, CE, ATEX, IEC |
| Overvoltage Protection | 24V DC |
| Short Circuit Protection | Current limited to 21 mA or less |
| Open Circuit Detection | Current output only |
FAQ:
- What type of field devices can the 1756-OF8 control?
- The module can control devices that require analog voltage or current signals, such as actuators, valves, and variable speed drives.
- Can I use this module in a hazardous environment?
- Yes, the module is certified for use in hazardous environments with certifications such as ATEX and IEC.
- What is the maximum output current the module can handle?
- The module has an output current range of 0-20 mA, with electronic protection limiting short circuits to 21 mA or less.
Check official datasheet for more detailed information: ControlLogix and GuardLogix Controllers
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