Allen-Bradley
Rockwell Allen-Bradley 1797-IRT8 FlexEx 8 Point Temperature Comb Module AB
In stock, ready to ship
Manufacturer: Allen-Bradley
Product No.: 1797-IRT8
Product Type: Thermocouple/RTD/mV Input
Product Origin: USA
Payment: T/T
Weight: 1000g
Shipping port: Xiamen
Warranty: 12 months
Yes, we provide a 30-day money-back guarantee for all purchases.
Yes, all items come with a 12-month warranty from the date of shipment.
Allen-Bradley 1797-IRT8
FLEX Ex 8-Channel Thermocouple/RTD/mV Input Module
Product Description
The Allen-Bradley 1797-IRT8 is an 8-channel thermocouple/RTD/mV input module from the FLEX Ex I/O series, designed for use in hazardous environments with ControlNet Ex networks. It supports a wide range of temperature and millivolt sensors, making it ideal for process industries requiring intrinsically safe analog input.
- Series: FLEX Ex
- Module Type: 8-Channel Thermocouple/RTD/mV Input
- Lifecycle Status: Discontinued as of December 31, 2017
- Replacement: Engineering replacement only (no direct drop-in)
Technical Specifications
| Attribute | Value |
|---|---|
| Input Channels | 8 (non-isolated, multiplexed) |
| Input Types | Thermocouple, RTD, mV |
| Input Range | -40 to +100 mV or 0–485 Ω |
| Resolution | 16-bit |
| Settling Time | 8 ms |
| Lead Resistance Compensation | Up to 15 Ω |
| Power Supply | 9.5V DC max, 1.6 W consumption |
| Isolation Voltage | 50V continuous (basic insulation) |
| Operating Temperature | -20°C to +70°C |
| Mounting | DIN rail or panel mount |
| Dimensions (L×W×H) | 94 × 75 × 46 mm |
| Weight | 200 g |
| Enclosure Rating | IP20 |
Key Features
- Supports multiple sensor types: Thermocouples (J, K, T, etc.), RTDs (Pt100, Pt200), and millivolt inputs
- Cold Junction Compensation (CJC): Optional for thermocouple accuracy
- Configurable input filters: From 600 Hz to 0.2 Hz for noise reduction or faster response
- Diagnostics: Overrange, underrange, open wire, and CJC fault detection
- Compatible Terminal Bases: 1797-TB3, 1797-TB3S