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- Allen Bradley
- 1769-IF4
- CompactLogix I/O Module
- USA
- 118 mm × 35 mm × 87 mm
- 0.2kg
- Xiamen, China
- New & In Stock
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Technical Report: 1769-IF4 Compact I/O 4-Channel Analog Input Module
1. Product Overview
The 1769-IF4 is a Compact I/O analog input module designed for industrial automation systems requiring flexible acquisition of both voltage and current analog signals.
It provides 4 input channels that can be configured for differential or single-ended operation. The module supports multiple industrial signal standards, making it suitable for a wide range of process measurement applications.
It is widely used in CompactLogix-based control systems for small to medium-scale analog data acquisition tasks.
2. Brand and Series Information
Brand: Industrial automation control platform ecosystem
Series: 1769 Compact I/O Series
Product Family: Analog Input Modules
Module Type: 4-Channel Voltage/Current Analog Input Module
3. Product Function Description
The 1769-IF4 is responsible for converting analog field signals into digital values for PLC processing.
Main functions include:
- Receiving 4 analog input channels (voltage or current)
- Supporting differential and single-ended wiring modes
- Handling multiple industrial signal ranges
- Converting analog signals into 14-bit digital data
- Providing electrical isolation between field devices and PLC backplane
- Filtering noise for stable signal acquisition
It is commonly used in systems where a small number of analog signals must be integrated into a PLC system.
4. Technical Parameters
Electrical Specifications
| Parameter | Value |
|---|---|
| Number of Inputs | 4 channels (differential or single-ended) |
| Input Signal Types | Voltage & Current |
| Voltage Ranges | ±10V, 0–10V, 0–5V, 1–5V |
| Current Ranges | 0–20 mA, 4–20 mA |
| Backplane Current | 120 mA @ 5V DC |
| 24V DC Current | 60 mA |
| Power Dissipation | ~2.52–2.63 W |
| Input Impedance (Voltage) | ~220 kΩ |
| Input Impedance (Current) | ~250 Ω |
Performance Specifications
| Parameter | Value |
|---|---|
| Resolution | 14-bit (unipolar / bipolar) |
| Conversion Type | Delta-Sigma ADC |
| Accuracy | ~±0.2% (voltage), ±0.35% (current) |
| Nonlinearity | ±0.03% |
| Repeatability | ±0.03% |
| Common Mode Rejection | >60 dB |
Isolation & Protection
| Parameter | Value |
|---|---|
| Isolation Voltage | 500V AC / 710V DC (test) |
| Working Voltage | 30V AC / 30V DC |
| Isolation Type | Channel-to-bus isolation |
| Protection | Industrial reinforced insulation |
Mechanical Specifications
| Parameter | Value |
|---|---|
| Dimensions (H × W × D) | 118 mm × 35 mm × 87 mm |
| Height with Tabs | 138 mm |
| Weight | 0.20 kg |
| Mounting Type | DIN rail / panel mount |
| Slot Width | 1 slot |
| Terminal Type | Removable terminal block |
Environmental Specifications
| Parameter | Value |
|---|---|
| Operating Temperature | 0°C to 60°C |
| Storage Temperature | -40°C to 85°C |
| Humidity | 5% – 95% non-condensing |
| Vibration Resistance | Industrial IEC standard |
| Shock Resistance | Up to 15G |
| EMC Immunity | Industrial control environments |
5. Product Advantages
1. Multi-Signal Flexibility
Supports both voltage and current inputs, reducing the need for multiple module types.
2. Compact Design
4-channel configuration in a single-slot module saves cabinet space.
3. High Measurement Accuracy
14-bit resolution ensures stable and reliable analog signal conversion.
4. Strong Industrial Noise Resistance
Designed for harsh environments with electrical interference.
5. Easy Integration
Fully compatible with Compact I/O architectures and CompactLogix controllers.
6. Cost-Efficient Analog Solution
Suitable for small to medium analog input requirements without overdesign.
6. Application Areas
The 1769-IF4 is widely used in:
- Industrial machinery control systems
- Packaging machines
- Conveyor systems
- HVAC systems
- Pump and motor monitoring
- Small-scale process control systems
- Energy and utility monitoring
- General PLC analog signal acquisition
It is especially suitable when only a few analog channels are required in a system.
7. Recommended Models (Same Series / Related Modules)
| Model | Type | Key Parameters | Application |
|---|---|---|---|
| 1769-IF8 | Analog Input Module | 8-channel voltage/current input | Medium analog systems |
| 1769-IF16C | Current Input Module | 16-channel 4–20 mA input | Process monitoring |
| 1769-IF16V | Voltage Input Module | 16-channel voltage input | Multi-sensor systems |
| 1769-IQ16 | Digital Input Module | 16-point DC input | Discrete signal acquisition |
| 1769-OB16 | Digital Output Module | 16-point output module | Actuator control |
8. Other Popular Models (Same Platform – Widely Used)
| Model | Type | Key Parameters | Application |
|---|---|---|---|
| 1769-L33ER | PLC Controller | EtherNet/IP CPU, integrated control | Machine automation |
| 1769-L36ERM | PLC Controller | Motion control CPU | Advanced automation |
| 1769-AENTR | Ethernet Adapter | Dual-port EtherNet/IP | Distributed I/O |
| 1769-SDN | DeviceNet Scanner | Fieldbus communication | Legacy networks |
| 1769-ASCII | Serial Module | ASCII communication | Barcode/printer systems |
9. System Role Summary
The 1769-IF4 serves as a compact analog interface module in Compact I/O systems. It is designed to bridge industrial analog signals and PLC digital processing systems.
Its role is focused on reliable multi-signal acquisition in small-scale analog applications, making it a cost-effective and flexible solution.
10. Summary
The 1769-IF4 is a 4-channel analog input module supporting both voltage and current signals. It is designed for compact industrial systems requiring flexible and reliable analog signal acquisition.
Its key strengths include multi-signal compatibility, compact size, stable performance, and easy integration into CompactLogix architectures.