Products Description
| Company Information | |||
| [email protected] | |||
| Mobile | +8613950166376 | ||
| +8613950166376 | |||
| 13950166376 |
Technical Specifications
| Parameter | Specification |
|---|---|
| Model | Allen-Bradley 1756-IRT8I |
| Product Type | Isolated RTD / Thermocouple / mV Input Module |
| Series | ControlLogix |
| Number of Inputs | 8 Individually Isolated Inputs |
| Supported Sensor Types | RTD, Thermocouple, Millivolt |
| Supported RTD Types | Platinum, Nickel, Copper RTDs |
| Supported Thermocouple Types | B, C, D, E, J, K, N, R, S, T, TXK/XK (L) |
| Input Ranges | 1–500 Ω, 2–1000 Ω, 4–2000 Ω, 8–4000 Ω, ±100 mV |
| Resolution | 24 Bit |
| Data Format | IEEE 32-bit Floating Point |
| Module Scan Time | 1 ms Minimum |
| Isolation Voltage | 250V Continuous |
| Current Draw @ 5.1V DC | 250 mA |
| Current Draw @ 24V DC | 150 mA |
| Power Dissipation | 4.6 W Maximum |
| Thermal Dissipation | 15.7 BTU/hr |
| Cold Junction Compensation | Yes, Dual CJC Sensors |
| Diagnostics | Wire-Off Detection, Overrange/Underrange Detection, Process Alarms |
| Digital Filtering | Configurable |
| Compatible RTB | 1756-TBCH, 1756-TBS6H |
| Mounting Type | ControlLogix Chassis Mount |
| Operating Temperature | 0°C to +60°C |
| Storage Temperature | -40°C to +85°C |
| Relative Humidity | 5–95% Non-Condensing |
| Vibration Resistance | 2 g @ 10–500 Hz |
| Shock Resistance | 30 g Operating |
| Dimensions (H × W × D) | 145 × 35 × 140 mm |
| Weight | 0.35 kg |
| Certifications | UL, CE, CSA, ATEX, IECEx |
| Product Status | Active |
FAQ
FAQ
Q1: What is the primary function of the 1756-IRT8I module?
The module provides 8 isolated temperature sensing inputs for RTD, thermocouple, and millivolt signals in ControlLogix systems.
Q2: What sensor types are supported by the module?
It supports RTDs, thermocouples, and millivolt input devices.
Q3: Which thermocouple types are compatible?
Supported thermocouples include B, C, D, E, J, K, N, R, S, T, and TXK/XK (L).
Q4: What is the resolution of the module?
The module provides high-resolution 24-bit analog conversion.
Q5: Does the module provide channel isolation?
Yes, all 8 channels are individually isolated with 250V continuous isolation protection.
Q6: What diagnostic and filtering functions are available?
The module supports underrange/overrange detection, wire-off detection, digital filtering, process alarms, synchronized sampling, and cold junction compensation.
Q7: Which removable terminal blocks are compatible?
Compatible RTBs are 1756-TBCH and 1756-TBS6H.
Q8: Is the 1756-IRT8I still available?
Yes, Rockwell Automation currently lists the 1756-IRT8I as an active product.
Tags
Packing & Delivery
We will use wear-resistant cartons to seal the boxes, and take photos for your confirmation before sealing. We will pack the boxes only after confirmation.
For express delivery, we will use DHL, UPS, TNT, FedEx and EMS.
Please rest assured that we have a deep cooperation with express delivery companies and can ensure that your goods are delivered to you in good condition.
