Excellent PLC
Product Introduction
The Allen Bradley 1756-IT6I2 ControlLogix Enhanced Isolated Thermocouple Input Module is an advanced thermocouple input module designed for the ControlLogix automation platform. This enhanced version provides high-resolution, isolated thermocouple measurements with improved signal fidelity and precision for industrial process temperature monitoring.
Engineered for critical temperature measurement applications, the 1756-IT6I2 allows simultaneous monitoring of six isolated thermocouple channels. The module’s 16-bit resolution ensures precise data acquisition, supporting industrial processes that demand accurate temperature control and reliable alarm triggering. Its isolated design protects the system from voltage transients, ground loops, and electrical noise, maintaining consistent measurement integrity.
The 1756-IT6I2 is ideal for integration into automated control systems in chemical, food processing, energy, and manufacturing plants, where both accuracy and isolation are paramount for process safety and performance.
Product Specifications
| Parameter | Specification |
|---|---|
| Model | 1756-IT6I2 |
| Manufacturer | Allen Bradley |
| Product Type | Enhanced Isolated Thermocouple Input Module |
| System Compatibility | ControlLogix Platform |
| Number of Inputs | 6 thermocouple channels |
| Resolution | 16-bit |
| Input Voltage Range | -12 to 78 mV / -12 to 30 mV (channel-dependent) |
| Input Sensitivity | 1.4 µV/count |
| Electrical Isolation | Full channel-to-channel and channel-to-backplane isolation |
| Connector Type | 20-pin connection |
| Mounting Type | ControlLogix chassis backplane |
| Signal Type | Thermocouple (multiple types supported) |
| Power Supply | Backplane-powered, ControlLogix standard |
| Operating Temperature Range | Industrial standard |
| Dimensions | 145.2 x 34.6 x 139.6 mm |
| Weight | 0.272 kg |
Applications
● Provides high-precision temperature measurement in industrial process control systems.
● Monitors multiple thermocouple channels simultaneously for real-time temperature data acquisition.
● Protects automation systems from ground loops and voltage transients via full electrical isolation.
● Supports alarm and process control functions based on accurate temperature readings.
● Integrated into ControlLogix systems for chemical, energy, and manufacturing plants.
● Suitable for applications requiring high-resolution 16-bit measurement for critical process monitoring.
Advantages
● 16-bit high-resolution input enhances measurement accuracy and signal fidelity.
● Isolated channels reduce the risk of electrical interference affecting other system modules.
● Wide input range supports different thermocouple types and industrial signal levels.
● Compact module design ensures efficient space utilization in ControlLogix chassis.
● Low input sensitivity (1.4 µV/count) allows detection of small temperature variations.
● Facilitates reliable multi-channel temperature monitoring for advanced process control.
