AB 1756-IT6I2 NEW ControlLogix Enhanced Isolated Thermocouple Module UPS WJD0

Product Description

Category Item Specification
Basic Information Catalog Number 1756-IT6I2
Manufacturer Rockwell Automation Allen‑Bradley
Series ControlLogix 6-Channel Isolated Thermocouple / mV Input Module (Enhanced Generation 2)
Lifecycle Status Active Production
Standard Warranty 1‑year factory warranty
Mounting Occupies 1 slot in 1756 ControlLogix chassis
Enclosure Rating Open‑style, IP20 (cabinet installation only)
Net Weight Approx. 0.28 kg
Dimension (W × H × D) 35 mm × 149 mm × 87 mm
Model Code Breakdown 1756 = ControlLogix platform
I = Input
T = Thermocouple / mV input
6 = 6 channels
I = Channel-to-channel individually isolated
2 = Enhanced Generation 2 hardware
Channel Configuration Channel Count 6 analog input channels, each channel individually isolated
Wiring Mode Differential wiring (each channel independent +/− terminals)
Supported Input Types (per channel selectable) Thermocouple Types J, K, E, N, R, S, T, B, L, U, C (extended thermocouple curve library)
Millivolt Range −12…+12 mV, −50…+50 mV, −100…+100 mV
CJC (Cold Junction Compensation) Built-in per-channel cold junction compensation; accuracy ±0.25 ℃ (enhanced vs Gen1 ±0.5 ℃)
Analog Performance (Gen2 Enhanced) ADC Resolution 24-bit sigma-delta per channel
Input Impedance >10 MΩ differential
Temperature Accuracy @ 25 ℃ Type K: ±0.3 ℃ (typical); Type J: ±0.3 ℃ (typical)
Improved accuracy vs 1756-IT6I Gen1
Channel Update Rate 100 ms per channel (normal) / 25 ms per channel (fast)
2× faster than Gen1
Built-in Filter Programmable digital filter; 50/60 Hz noise rejection; notch filter selectable
Isolation Spec Channel ↔ Channel 250 V AC continuous reinforced isolation
Input ↔ Backplane 250 V AC continuous reinforced isolation
Feature Benefit Eliminates ground loops, allows thermocouples at different reference potentials
Electrical Ratings Backplane Current Draw 195 mA @ 5.1 V DC; 90 mA @ 24 V DC
Max Power Dissipation 4.0 W
Terminal & Wiring Removable Terminal Block 36‑pin: 1756-TBCH (spring clamp) / 1756-TBS6H (screw)
Recommended Wire Size 0.34 ~ 1.5 mm² copper wire; thermocouple extension wire recommended
Front Panel & Diagnostics Status Indicators Module OK LED, CAL status LED, per-channel status LEDs
Diagnostics Over-range / under-range detection, open-circuit (broken thermocouple) detection per channel, CJC fault monitoring, module health reporting, sensor drift warning
Compatibility Supported Controllers ControlLogix 5570/5580, GuardLogix controllers
Programming Software Studio 5000 Logix Designer (V20 or later), RSLinx Classic
Environmental Ratings Operating Ambient Temperature 0 ℃ ~ +60 ℃
Storage & Transport Temperature -40 ℃ ~ +85 ℃
Relative Humidity 5%–95% RH, non‑condensing
Altitude Full rating up to 2000 m; derate above 2000 m
Global Compliance Certifications Approvals UL, cUL, CE, CSA, ATEX, IECEx; Class I Div.2 hazardous location certified
EMC Classification Industrial Class A equipment
Variant Distinction Note 1756-IT6I2 vs 1756-IT6I (Gen1) IT6I2: 24-bit ADC, ±0.3℃ accuracy, 25ms fast update, extended thermocouple types, enhanced CJC
IT6I: 16-bit ADC, ±0.5℃ accuracy, 60ms fast update, standard thermocouple types
1756-IT6I2 vs 1756-IR6I IT6I2: Thermocouple / mV input (enhanced)
IR6I: RTD (Pt100/Cu50) resistance temperature input
Coated Version 1756-IT6I2K (conformal coating for corrosive environments)
XT Wide Temp Version 1756-IT6I2XT
Core Feature Summary Key Advantages Enhanced Generation 2 6-channel individually isolated thermocouple/mV input module; 24-bit high-resolution ADC delivers ±0.3℃ measurement accuracy; 2× faster channel update rate vs Gen1 for high-speed temperature profiling; extended thermocouple type support covers C, U, L specialty sensors; per-channel open-wire and drift diagnostics simplify predictive maintenance; ideal for high-precision multi-zone temperature control in demanding process applications
Typical Industrial Applications Application Scenarios Semiconductor furnace precision temperature control, aerospace heat treatment profiling, pharmaceutical sterilization validation, chemical reactor high-accuracy thermocouple acquisition, power plant boiler temperature monitoring, glass manufacturing multi-zone kiln control

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