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Allen-Bradley 1756-OF4 Analog Output Module, 4-Channel Voltage/Current
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Allen-Bradley 1756-OF4 Analog Output Module, 4-Channel Voltage/Current
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Allen-Bradley 1756-OF4 Analog Output Module, 4-Channel Voltage/CurrentProduct Overview The Allen Bradley 1756 OF4 is a 4 channel analog output module for precise voltage or current control in industrial automation applications. It supports output ranges of 10 V or 420 mA, with high resolution 15 bit conversion for accurate control. The module features overvoltage and short circuit protection, open circuit detection, and fast settling time (<2 ms), ensuring reliable and safe operation. This module is ideal for
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Product Overview
The Allen-Bradley 1756-OF4 is a 4-channel analog output module for precise voltage or current control in industrial automation applications. It supports output ranges of ±10 V or 4–20 mA, with high-resolution 15-bit conversion for accurate control. The module features overvoltage and short-circuit protection, open-circuit detection, and fast settling time (<2 ms), ensuring reliable and safe operation.
This module is ideal for integration with ControlLogix systems, offering software-configurable keying, robust thermal and electrical protection, and industry-standard calibration intervals.
Technical Specifications
| Parameter | Specification |
|---|---|
| Manufacturer / Brand | Allen-Bradley / Rockwell Automation |
| Part Number / Model | 1756-OF4 |
| Module Type | Analog Output Module |
| Number of Outputs | 4 voltage or current outputs |
| Output Range | ±10 V; 4–20 mA |
| Resolution | Voltage: 15 bits (320 µV/bit); Current: 15 bits (650 nA/bit) |
| Current Draw | 150 mA @ 5.1 V; 210 mA @ 24 V |
| Backplane Power | 5.8 W |
| Power Dissipation (Max) | 3.25 W (4-channel current) |
| Thermal Dissipation | 10.91 BTU/hr |
| Open Circuit Detection | Current output only (>0.1 mA) |
| Overvoltage Protection | 24 V DC |
| Short Circuit Protection | Electronically limited to ≤21 mA |
| Drive Capability | Voltage: >2000 Ω; Current: 0.5 Ω |
| Settling Time | <2 ms to 95% of final value (resistive load) |
| Calibrated Accuracy (25 °C) | Voltage: ±0.05% of range; Current: ±0.05% of range |
| Calibration Interval | 12 months typical |
| Offset Drift | Voltage: 50 µV/°C; Current: 100 nA/°C |
| Gain Drift | Voltage: 25 ppm/°C; Current: 50 ppm/°C |
| Module Error | Voltage: 0.15% of range; Current: 0.3% of range |
| Module Input Scan Time | 12 ms (floating point); 8 ms (integer) |
| Data Format | Integer mode (2’s complement), IEEE 32-bit floating point |
| DAC Method | R-Ladder DAC, monotonic, no missing codes |
| Isolation Voltage | 250 V continuous; reinforced insulation to backplane |
| Module Keying | Electronic, software configurable |
| Slot Width | 1 |
| Wire Category | 2¹ |
| Temperature Rating | North America: T4A; IEC: T4 |
| Enclosure Type | Open-style (none) |
Key Features
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Four-channel analog output for voltage or current control.
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High-resolution 15-bit DAC for precise signal generation.
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Short-circuit, overvoltage, and open-circuit protection ensures safety.
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Fast settling time (<2 ms) supports dynamic process control.
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Hardened module design with reinforced isolation and thermal dissipation.
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Compatible with ControlLogix and CompactLogix systems.
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Software-configurable keying for flexible module placement.
Allen-Bradley 1756-OF4 Analog Output Module, 4-Channel Voltage/Current
Item no
:
61706117294
US$ 160.00
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1piece
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Ships within 48 hours · Estimated delivery Jun 21 - Jun 26
US$40
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- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
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