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1756-IF8H | Allen-Bradley 8-Channel HART Analog Input Module 16–21 Bit Resolution
- Regular price
- $792.00
- Sale price
- $792.00
- Regular price
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Product Description P/N: 1756-IF8H
Description
The Allen-Bradley 1756-IF8H is an 8-channel differential analog input module built for the ControlLogix platform, supporting both voltage and current signal acquisition with high accuracy. It includes an integrated HART modem, enabling advanced device communication and diagnostic capabilities across industrial process environments.
Technical Specifications
| Condition | New / Never Used Surplus |
| Brand | Allen-Bradley |
| Category | PLCs / Machine Control |
| Part Number | 1756-IF8H |
| Subcategory | PLC Module / Rack |
| Channels | 8 Differential Analog Inputs |
| HART Support | HART 5, 6, 7 |
| Resolution | 16…21 bits (all ranges) |
| Input Signal Types | 0–20 mA, 4–20 mA; ±10 VDC, 0–5 VDC, 1–5 VDC, 0–10 VDC |
| HART Scan Time | Analog: 18…488 ms (filter dependent) |
| Open Circuit Detection | 5 seconds |
| Overvoltage Protection (Voltage Inputs) | 30 VDC |
| Overvoltage Protection (Current Inputs) | 8 VDC |
| Isolation Voltage | 50 V continuous; tested at 1500 V AC for 60 s (I/O to backplane) |
| Accuracy at 25°C | Better than 0.05% of range (voltage) |
| Calibration Interval | 12 months typical |
| Temperature Code | T4A |
| Enclosure Type Rating | Open style |
| Relative Humidity | 5–95% non-condensing |
| Platform Compatibility | ControlLogix |
Information About 1756-IF8H
The Allen-Bradley 1756-IF8H is an advanced analog input module engineered for the ControlLogix automation platform, providing eight differential analog input channels with integrated HART communication capability. Each channel supports a wide range of industrial voltage and current signals, making the module suitable for diverse measurement and monitoring tasks. With selectable ranges such as 0–20 mA, 4–20 mA, ±10 V, and 0–5 V, the module accommodates numerous field instruments used in process applications. The integrated HART modem allows digital communication with field devices compliant with HART versions 5, 6, and 7, enabling device diagnostics, configuration, and status monitoring without interrupting the analog signal. Offering a high-resolution range from 16 to 21 bits, the module delivers precise signal conditioning and data acquisition essential for process control and advanced automation. Rugged isolation performance, robust overvoltage protection, and temperature stability ensure reliable module operation in demanding industrial environments.
Key Features
- Eight Differential Analog Channels: supports high-accuracy measurement across voltage and current ranges for comprehensive process signal monitoring.
- Integrated HART Modem: enables simultaneous analog measurement and digital HART communication for diagnostics, device configuration, and process health evaluation.
- Wide Signal Flexibility: accepts multiple voltage and current ranges (±10 V, 0–5 V, 1–5 V, 0–10 V, 0–20 mA, 4–20 mA) for compatibility with a broad range of industrial transmitters and sensors.
- High-Resolution Acquisition: delivers 16–21 bit resolution to support precise control processes, advanced analytics, and stable signal interpretation.
- Advanced Protection Features: includes overvoltage protection for both voltage and current inputs, open-circuit detection, and robust 1500 V isolation from I/O to backplane.
- HART Version Compatibility: supports HART 5, 6, and 7, allowing connection to modern and legacy smart devices across process industries.
- Accurate and Stable Performance: provides ≤0.05% calibrated accuracy at 25°C, ensuring confidence in critical measurement and control operations.
- Designed for ControlLogix: integrates seamlessly into the Logix architecture for unified programming, diagnostics, and system scalability.
The 1756-IF8H delivers the reliability and precision required for process monitoring, advanced HART communication, and high-performance analog data acquisition within ControlLogix systems.
Description
The Allen-Bradley 1756-IF8H is an 8-channel differential analog input module built for the ControlLogix platform, supporting both voltage and current signal acquisition with high accuracy. It includes an integrated HART modem, enabling advanced device communication and diagnostic capabilities across industrial process environments.
Technical Specifications
| Condition | New / Never Used Surplus |
| Brand | Allen-Bradley |
| Category | PLCs / Machine Control |
| Part Number | 1756-IF8H |
| Subcategory | PLC Module / Rack |
| Channels | 8 Differential Analog Inputs |
| HART Support | HART 5, 6, 7 |
| Resolution | 16…21 bits (all ranges) |
| Input Signal Types | 0–20 mA, 4–20 mA; ±10 VDC, 0–5 VDC, 1–5 VDC, 0–10 VDC |
| HART Scan Time | Analog: 18…488 ms (filter dependent) |
| Open Circuit Detection | 5 seconds |
| Overvoltage Protection (Voltage Inputs) | 30 VDC |
| Overvoltage Protection (Current Inputs) | 8 VDC |
| Isolation Voltage | 50 V continuous; tested at 1500 V AC for 60 s (I/O to backplane) |
| Accuracy at 25°C | Better than 0.05% of range (voltage) |
| Calibration Interval | 12 months typical |
| Temperature Code | T4A |
| Enclosure Type Rating | Open style |
| Relative Humidity | 5–95% non-condensing |
| Platform Compatibility | ControlLogix |
Information About 1756-IF8H
The Allen-Bradley 1756-IF8H is an advanced analog input module engineered for the ControlLogix automation platform, providing eight differential analog input channels with integrated HART communication capability. Each channel supports a wide range of industrial voltage and current signals, making the module suitable for diverse measurement and monitoring tasks. With selectable ranges such as 0–20 mA, 4–20 mA, ±10 V, and 0–5 V, the module accommodates numerous field instruments used in process applications. The integrated HART modem allows digital communication with field devices compliant with HART versions 5, 6, and 7, enabling device diagnostics, configuration, and status monitoring without interrupting the analog signal. Offering a high-resolution range from 16 to 21 bits, the module delivers precise signal conditioning and data acquisition essential for process control and advanced automation. Rugged isolation performance, robust overvoltage protection, and temperature stability ensure reliable module operation in demanding industrial environments.
Key Features
- Eight Differential Analog Channels: supports high-accuracy measurement across voltage and current ranges for comprehensive process signal monitoring.
- Integrated HART Modem: enables simultaneous analog measurement and digital HART communication for diagnostics, device configuration, and process health evaluation.
- Wide Signal Flexibility: accepts multiple voltage and current ranges (±10 V, 0–5 V, 1–5 V, 0–10 V, 0–20 mA, 4–20 mA) for compatibility with a broad range of industrial transmitters and sensors.
- High-Resolution Acquisition: delivers 16–21 bit resolution to support precise control processes, advanced analytics, and stable signal interpretation.
- Advanced Protection Features: includes overvoltage protection for both voltage and current inputs, open-circuit detection, and robust 1500 V isolation from I/O to backplane.
- HART Version Compatibility: supports HART 5, 6, and 7, allowing connection to modern and legacy smart devices across process industries.
- Accurate and Stable Performance: provides ≤0.05% calibrated accuracy at 25°C, ensuring confidence in critical measurement and control operations.
- Designed for ControlLogix: integrates seamlessly into the Logix architecture for unified programming, diagnostics, and system scalability.
The 1756-IF8H delivers the reliability and precision required for process monitoring, advanced HART communication, and high-performance analog data acquisition within ControlLogix systems.