Allen Bradley 1756-IF6I ControlLogix 6-Point Isolated Analog Input Module
Allen Bradley 1756-IF6I ControlLogix 6-Point Isolated Analog Input Module
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Brand:Allen Bradley PLC Item No.:Allen Bradley 1756-IF6I Product Origin: USA Product Dimensions:13.3 × 14.5 × 5.6 cm Product Weight:0.45 kg Payment:T/T, Western Union, Credit Card Goods_stock:15 Shipping Port:Xiamen, China Lead Time:1-3 Days Condition:Brand New And Original Warranty:1 Year Certificate:COO
The Allen-Bradley 1756-IF6I is a precision-engineered isolated analog input module developed for the ControlLogix platform, delivering highly accurate voltage and current signal acquisition in industrial automation systems.
Designed for applications where signal integrity and electrical isolation are critical, this module features six individually isolated analog inputs capable of handling both voltage and current signals. Its advanced Sigma-Delta conversion technology, combined with excellent noise rejection performance, makes it especially suitable for process industries, utilities, and high-noise industrial environments.
The 1756-IF6I has long been recognized as a dependable analog measurement solution for engineers who require stable data acquisition, high accuracy, and reliable operation in demanding automation architectures.
Technical Specifications
Category
Specification
Product Type
Isolated Analog Input Module
Series
ControlLogix 1756
Input Channels
6 individually isolated inputs
Supported Signals
Voltage and Current
Voltage Input Ranges
±10.5V, 0–10.5V, 0–5.25V
Current Input Range
0–21 mA
Resolution
16-bit
Conversion Method
Sigma-Delta
Data Format
Integer / IEEE 32-bit Floating Point
Channel Bandwidth
15 Hz
Common Mode Noise Rejection
120 dB @ 60 Hz
Isolation Voltage
250V continuous channel-to-channel
Backplane Current
250 mA @ 5.1V DC
Power Dissipation
3.7–4.3 W
Operating Temperature
0°C to 60°C
Dimensions (H × W × D)
13.3 × 14.5 × 5.6 cm
Weight
Approx. 0.45 kg
Recommended Related Models
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Applications
The 1756-IF6I is widely used in industrial environments requiring high-accuracy analog signal monitoring and electrical isolation:
Chemical and petrochemical processing systems
Power generation and utility automation
Oil & gas production facilities
Water and wastewater treatment plants
Pharmaceutical manufacturing systems
Industrial process control and instrumentation
Its individually isolated channels make it particularly effective in applications involving long cable runs, mixed grounding conditions, or electrically noisy equipment.
Advantages
Six individually isolated analog inputs improve signal integrity
Supports both voltage and current signal types
Excellent common-mode noise rejection for industrial environments
High-precision 16-bit analog conversion
Flexible configuration with floating-point data support
Strong compatibility with ControlLogix process automation systems
Reliable long-term performance in continuous industrial operation
Technical FAQs
1. What is the primary function of the 1756-IF6I?
It acquires isolated analog voltage and current signals for ControlLogix controllers.
2. How many analog channels does the module support?
The module provides 6 individually isolated analog input channels.
3. What input signal ranges are supported?
It supports ±10.5V, 0–10.5V, 0–5.25V, and 0–21 mA input ranges.
4. What is the module resolution?
The module features 16-bit analog resolution.
5. Does the module provide channel isolation?
Yes, each input channel is individually isolated for enhanced electrical protection and noise immunity.
6. What conversion method does it use?
It uses Sigma-Delta analog conversion technology for stable and accurate measurements.
7. Is the 1756-IF6I still available?
The module has been discontinued but remains widely used in existing industrial systems.
8. Which software is used for configuration?
Studio 5000 Logix Designer / RSLogix 5000.
9. What industries commonly use this module?
Utilities, oil & gas, chemical processing, water treatment, and manufacturing industries.
10. What is the approximate module weight?
Approximately 0.45 kg.
