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- Allen-Bradley
- 1762-IT4
- MicroLogix 1200 Thermocouple/MV Input Module
- USA
- 90 x 40 x 87 mm
- 0.22 kg
- Xiamen, China
- New & In Stock
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All our products are priced very favorably because we have our own warehouse and supply.
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Product Overview
The Allen-Bradley 1762-IT4 MicroLogix 1200 Thermocouple/mV Input Module is a high-precision analog input expansion module designed for temperature measurement and low-level millivolt signal acquisition in industrial automation systems.
This module provides four differential input channels capable of accepting thermocouple and millivolt signals directly from industrial sensors. It is widely used in process control systems requiring accurate temperature monitoring, thermal process regulation, and reliable analog signal processing.
The 1762-IT4 is engineered for MicroLogix PLC platforms and delivers stable performance in demanding industrial environments.
Technical Specifications
| Parameter | Details |
|---|---|
| Manufacturer | Allen-Bradley (Rockwell Automation) |
| Model | 1762-IT4 |
| Product Type | Thermocouple/mV Input Module |
| Number of Inputs | 4 differential analog inputs |
| Input Signal Type | Thermocouple and millivolt |
| Supported Thermocouple Types | J, K, T, E, R, S, N, B, C |
| Millivolt Input Range | ±50 mV / ±100 mV |
| Resolution | 15-bit |
| Data Conversion Method | Sigma-delta conversion |
| Isolation | Channel-to-backplane isolation |
| Cold Junction Compensation | Built-in automatic compensation |
| Mounting Type | MicroLogix expansion / DIN rail |
| Wiring Method | Screw terminal connection |
| Dimensions | 90 × 40 × 87 mm |
| Weight | 0.22 kg |
| Application | Industrial temperature monitoring and process control |
| Operating Environment | Industrial automation systems |
Function and Working Principle
The 1762-IT4 functions as a high-accuracy analog temperature and millivolt signal acquisition module.
Its operating process includes:
- Receiving thermocouple or low-level millivolt signals from field sensors
- Converting analog signals into digital values for PLC processing
- Performing cold junction compensation for accurate temperature readings
- Filtering electrical noise for improved signal stability
- Transmitting processed data to the MicroLogix controller
The module supports multiple thermocouple sensor types, making it highly flexible for industrial thermal applications.
Role in Industrial Control Systems
Within automation systems, the 1762-IT4 acts as a temperature measurement and analog sensing interface.
It is commonly used to connect:
- Thermocouple temperature sensors
- Industrial furnaces and heaters
- Ovens and thermal systems
- Process temperature monitoring devices
- Millivolt signal transmitters
- Environmental monitoring equipment
It enables accurate real-time thermal process control in industrial applications.
Industrial Applications
The Allen-Bradley 1762-IT4 is widely used in:
- Industrial process automation
- Furnace and kiln temperature control
- Food processing systems
- Plastic extrusion machinery
- Heat treatment systems
- Chemical processing plants
- Power generation facilities
It is especially suitable for applications requiring precise temperature acquisition and stable analog signal monitoring.
Installation and System Integration
Proper installation ensures reliable operation:
- Mounted on MicroLogix PLC backplane or DIN rail
- Connected via shielded thermocouple or mV wiring
- Installed inside industrial control cabinets
- Requires proper grounding and signal shielding
- Compatible with MicroLogix 1200 and related PLC systems
Correct installation minimizes electrical interference and improves measurement accuracy.
Compatible System Components
The 1762-IT4 typically works with:
- MicroLogix 1200 PLC controllers
- Thermocouple temperature sensors
- Analog process control modules
- Heater and furnace control systems
- Industrial signal conditioning devices
- PLC communication and expansion modules
It functions as an important analog sensing component in industrial control architectures.
Recommended Alternative Models
| Model | Type | Key Feature | Application |
|---|---|---|---|
| 1762-IF4 | Analog input module | Standard analog voltage/current input | General process control |
| 1762-IR4 | RTD input module | Resistance temperature sensing | Precision temperature systems |
| 1769-IT6 | CompactLogix thermocouple module | Higher channel density | Advanced automation |
| 1762-IQ16 | Digital input module | Digital signal acquisition | Machine automation |
| Siemens SM1231 TC | Thermocouple input module | Multi-sensor compatibility | Industrial temperature control |
Key Advantages
- Supports multiple thermocouple sensor types
- High-precision 15-bit analog conversion
- Built-in cold junction compensation
- Excellent noise resistance and signal stability
- Compact industrial-grade design
- Seamless integration with MicroLogix PLC systems
Technical FAQs
What is the primary function of the 1762-IT4?
It acquires thermocouple and millivolt signals for industrial temperature monitoring.
How many input channels does it provide?
It provides four differential analog input channels.
Does it support cold junction compensation?
Yes, it includes automatic cold junction compensation for accurate temperature measurement.
Where is it commonly used?
It is used in industrial heating, furnace control, and thermal process automation systems.
Conclusion
The Allen-Bradley 1762-IT4 MicroLogix 1200 Thermocouple/mV Input Module is a reliable industrial analog input solution designed for accurate temperature and millivolt signal acquisition. With support for multiple thermocouple types, built-in cold junction compensation, and stable industrial performance, it is ideal for demanding thermal process applications.
For engineers and system integrators, the 1762-IT4 provides dependable temperature monitoring capabilities and seamless integration within MicroLogix PLC automation systems.