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- 1756-OF6CI
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- USA
- 14.5 × 5.6 × 14.0 cm
- 0.48kg
- Xiamen, China
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1756-OF6CI Detailed Product Overview
Product Introduction
The 1756-OF6CI is a 6-channel analog current output module designed for industrial automation systems requiring precise and stable current signal control. It belongs to the ControlLogix modular automation platform and is widely used in process control and industrial applications where accurate 4–20 mA signal output is required.
This module provides six independent current output channels, each capable of generating standard industrial current signals used to control field devices such as control valves, actuators, variable speed drives, and process instrumentation. It is designed to deliver high accuracy, stability, and strong noise immunity in demanding industrial environments.
The module is installed in a ControlLogix chassis and works together with PLC processors and communication modules to form a complete industrial automation system.
Brand Information
| Item | Description |
|---|---|
| Brand | Industrial Automation Brand |
| Product Platform | ControlLogix |
| Product Type | Analog Current Output Module |
| Main Function | 4–20 mA Current Signal Output |
| Installation Method | Chassis Mount |
| Output Type | Analog Current Output |
| Application Category | Industrial Automation |
| System Architecture | Modular PLC System |
Product Series Introduction
ControlLogix Series
The ControlLogix platform is a high-performance modular automation system designed for complex industrial control applications requiring flexibility, scalability, and integrated diagnostics.
Core capabilities include:
- PLC logic processing
- Analog and digital I/O control
- Motion and process automation
- Industrial communication integration
- System diagnostics and monitoring
Key characteristics:
- High-speed backplane communication
- Modular expansion capability
- Strong industrial reliability
- Flexible architecture design
- Long lifecycle operation
- High system integration efficiency
The 1756-OF6CI belongs to the analog current output module family and is specifically designed for high-precision 4–20 mA signal generation.
It is widely used in:
- Process industries (chemical, oil & gas)
- Water treatment systems
- Power plants
- HVAC systems
- Industrial automation control systems
- Instrumentation and control systems
1756-OF6CI Technical Specifications
| Parameter | Specification |
|---|---|
| Model | 1756-OF6CI |
| Product Type | Analog Current Output Module |
| Series | ControlLogix |
| Number of Outputs | 6 Channels |
| Output Type | 4–20 mA Current Output |
| Output Range | 0–21 mA typical usable range |
| Resolution | 16-bit high resolution |
| Accuracy | ±0.1% full scale (typical) |
| Isolation Type | Channel-to-backplane isolation |
| Isolation Voltage | 250 V continuous |
| Load Resistance Range | 0–750 Ω typical |
| Output Update Time | ~5–10 ms |
| Settling Time | <2 ms to 95% |
| Backplane Current @ 5.1V DC | ~180 mA |
| Backplane Current @ 24V DC | ~100 mA |
| Power Dissipation | ~3.8–5.0 W |
| Thermal Dissipation | ~11 BTU/hr |
| Operating Temperature | 0°C to 60°C |
| Storage Temperature | -40°C to 85°C |
| Humidity Range | 5%–95% non-condensing |
| Wiring Method | Removable terminal block |
| Diagnostics | Open-wire detection supported |
| Dimensions | 14.5 × 5.6 × 14.0 cm |
| Weight kg（ ） | 0.48 kg |
Product Features
1. High-Precision Current Output
Provides accurate 4–20 mA analog signals suitable for process control applications requiring stable and repeatable performance.
2. Six Independent Output Channels
Supports simultaneous control of multiple field devices, improving system efficiency and integration.
3. Strong Electrical Noise Immunity
Designed for industrial environments with high electromagnetic interference, ensuring stable signal transmission.
4. Fast Response Performance
Short settling time ensures real-time control capability in dynamic industrial processes.
5. Diagnostic Function Support
Supports fault detection such as open-loop or wiring issues, improving system reliability.
Product Advantages
High Signal Stability
Maintains consistent current output even under load variation.
Precise Process Control
High resolution enables fine-tuned control of industrial processes.
Flexible Integration
Compatible with ControlLogix systems for scalable automation design.
Reduced Wiring Complexity
Six channels in a single module reduce cabinet space and wiring effort.
Reliable Industrial Operation
Designed for continuous use in harsh industrial environments.
Easy Maintenance
Built-in diagnostics simplify troubleshooting.
Main Applications
Process Control Systems
Used for controlling flow, pressure, temperature, and level in industrial processes.
Oil and Gas Industry
Provides reliable control signals for valves and instrumentation systems.
Water Treatment Plants
Controls dosing pumps, valves, and filtration systems.
Power Generation Systems
Used in turbine and boiler control applications.
HVAC Systems
Controls dampers, fans, and cooling/heating systems.
Industrial Automation
General analog signal output for process-driven machinery.
Industrial Performance Summary
| Capability | Benefit |
|---|---|
| 6 Current Outputs | Multi-device control |
| 4–20 mA Standard | Industrial compatibility |
| High Resolution | Accurate signal control |
| Fast Response | Real-time operation |
| Diagnostic Support | Easy troubleshooting |
| Electrical Isolation | Stable operation |
| Modular Design | Flexible system integration |
| Industrial Durability | Long service life |
Recommended Related Models (Same Series / Similar Function)
| Model | Type | Channels | Output Type | Dimensions | Weight kg（ ） | Feature |
|---|---|---|---|---|---|---|
| 1756-OF4 | Analog output | 4 | Voltage/Current | 14.5 × 2.2 × 10.5 cm | 0.45 kg | Mixed output |
| 1756-OF8 | Analog output | 8 | Voltage/Current | 14.5 × 5.6 × 14.0 cm | 0.48 kg | Higher density |
| 1756-OF6VI | Voltage output module | 6 | Voltage | 14.5 × 5.6 × 14.0 cm | 0.50 kg | Voltage precision |
| 1756-OF4H | High-resolution output | 4 | Voltage/Current | 14.5 × 5.6 × 14.0 cm | 0.46 kg | Enhanced accuracy |
| 1756-OF4D | Diagnostic output | 4 | Voltage/Current | 14.5 × 5.6 × 14.0 cm | 0.47 kg | Fault detection |
Recommended Popular Models (Same Platform)
| Model | Type | Function | Dimensions | Weight kg（ ） | Advantage |
|---|---|---|---|---|---|
| 1756-L81E | PLC CPU | System control | 14.5 × 5.6 × 14.0 cm | 0.45 kg | High processing power |
| 1756-EN2TR | Ethernet module | Communication | 14.5 × 5.6 × 14.0 cm | 0.29 kg | Stable networking |
| 1756-IB16 | Input module | Signal input | 14.5 × 5.6 × 14.0 cm | 0.27 kg | Reliable sensing |
| 1756-OB16 | Output module | Digital output | 14.5 × 5.6 × 14.0 cm | 0.36 kg | Stable switching |
| 1756-PA75 | Power module | Power supply | 14.5 × 5.6 × 14.0 cm | 0.90 kg | System stability |
Installation Notes
- Install in ventilated control cabinet
- Ensure proper grounding
- Use shielded analog wiring
- Avoid high EMI sources
- Maintain proper cooling space
Maintenance Notes
| Item | Recommendation |
|---|---|
| Signal calibration | Regular verification |
| Terminal inspection | Tight connection check |
| Dust cleaning | Periodic maintenance |
| Output testing | Check accuracy |
| Power stability | Maintain clean supply |
| Environment control | Avoid humidity fluctuations |
Overall Summary
The 1756-OF6CI is a high-precision 6-channel analog current output module designed for industrial automation systems requiring stable and accurate 4–20 mA signal generation. Its strong noise immunity, high resolution, and diagnostic capabilities make it suitable for process control and instrumentation applications where reliability and precision are essential.