1769-IF8 Allen-Bradley Compact I/O Analog Input Module

Technical parameters

Part Number: 1769-IF8

Module type: Analog input module

Number of channels: 8 differential or single-ended inputs

Input type: Voltage: ±10V, 0-10V, 0-5V, 1-5V

Current: 0-20mA, 4-20mA

Resolution: 16 bits (unipolar), 15 bits plus symbols (bipolar)

0.32 µA per bit (current), 0.64 mV per bit (voltage)

Input impedance: Voltage: >10 MΩ

Current: 249 Ω

Conversion time: approximately 4 ms per channel

Bus current consumption: 5V DC: 120 mA

24V DC: 70 mA

Power consumption: Maximum 3.12W

Input range: Voltage: ±10.5V (maximum)

Current: 0-21mA (maximum)

Accuracy: Voltage: ±0.2% full scale (25°C)

Current: ±0.35% full scale (25°C)

Temperature drift: Voltage: ±15 ppm/°C

Current: ±30 ppm/°C

Overload protection: Voltage: ±30V DC (continuous)

Current: ±32mA (continuous)

Isolation: Channel to bus: 30V AC/DC (500V AC test)

There is no isolation between the channels

Operating temperature: 0-60°C (32-140°F

Storage temperature: -40-85°C (-40-185°F)

Relative humidity: 5-95%, non-condensing

Protection grade: Complies with UL, CSA and CE standards

Installation: DIN rail or panel installation, must be adjacent to the CompactLogix controller or power supply

Terminal: Detachable terminal block (1756-TBNH or 1756-TBCH)

Function

Multi-channel input: Supports 8 independent channels, which can be configured as differential or single-ended input, flexibly adapting to different sensor signals.

Flexible input range: Supports multiple voltage and current input ranges, configured through software.

High resolution: It offers 16-bit resolution (unipolar) or 15-bit plus symbol (bipolar) to ensure high-precision data acquisition.

Digital filtering: Provides programmable digital filters to reduce noise and improve signal quality.

Real-time diagnosis: Supports over-range, under-range, open-circuit detection and input error alarm, enhancing system reliability.

Modular design: Seamlessly integrated with CompactLogix or MicroLogix 1500 systems and configured via RSLogix 5000 or Studio 5000 software.

Status indication: Module status and channel status LED, facilitating rapid fault diagnosis.

Data format: Supports engineering units, percentage full-scale, and raw/proportional data formats to meet different application requirements.

Application scenarios

Process control: Monitoring analog signals such as temperature, pressure, flow rate, and liquid level, for instance, in the chemical and oil and gas industries.

Manufacturing industry: Used in CNC machine tools and assembly lines to collect sensor data for monitoring equipment status.

Environmental monitoring: In HVAC systems or water treatment plants, analog signals such as temperature, humidity or pH value are collected.

Energy management: Monitor voltage and current parameters in the power system to ensure the efficient operation of equipment.

Food and beverages: Used in packaging and filling equipment to monitor flow or pressure to ensure production consistency.

Automated testing: Collecting various analog signals in testing equipment for quality control and performance analysis.

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