Products Description
| Company Information | |||
| [email protected] | |||
| Mobile | +8613950166376 | ||
| +8613950166376 | |||
| 13950166376 |
Technical Specifications
| Parameter | Details |
|---|---|
| Product Name | Allen-Bradley 1794-IT8 |
| Manufacturer | Rockwell Automation (Allen-Bradley) |
| Series | FLEX I/O 1794 |
| Product Type | Thermocouple / Millivolt Input Module |
| Function | 8-point thermocouple input module |
| Input Channels | 8 channels |
| Supported Sensors | Thermocouples (J, K, T, E, R, S, B, N, C, L) |
| Input Signal Type | ±76.5 mV thermocouple/mV signals |
| Resolution | 16-bit |
| Accuracy | High precision temperature measurement (typ. ±0.1% FS) |
| Cold Junction Compensation | Supported (external CJC module required) |
| Conversion Method | Digital filtering with A/D conversion |
| System Throughput | ~28 ms to 325 ms depending on configuration |
| Channel Bandwidth | 0–2.62 Hz |
| Isolation Voltage | 850 VDC (field to logic) |
| Backplane Current | ~20 mA @ 5 VDC |
| Power Supply | 24 VDC |
| Input Supply Range | 19.2 to 31.2 VDC |
| Power Dissipation | ~3.0 W max |
| Diagnostics | Open thermocouple detection, overrange detection |
| Wiring Base | 1794-TB2 / TB3 / TB3T compatible |
| Mounting Type | DIN rail |
| Enclosure Rating | IP20 |
| Operating Temperature | 0 to 55 °C |
| Storage Temperature | -40 to 85 °C |
| Humidity | 5 to 95% non-condensing |
| Physical Dimensions (L × W × H) | 5.33 × 9.4 × 4.57 cm |
| Weight | ~0.11–0.20 kg |
FAQ
FAQ
Q1. What is the main function of the 1794-IT8?
It is a FLEX I/O thermocouple/millivolt input module used to measure temperature from various thermocouple sensors.
Q2. What types of thermocouples does it support?
It supports multiple types including J, K, T, E, R, S, B, N, C, and L.
Q3. How many input channels does it have?
It provides 8 independent thermocouple input channels.
Q4. Does it require cold junction compensation?
Yes, it supports cold junction compensation and typically uses an external CJC module.
Q5. What is the resolution of the module?
It offers 16-bit resolution for precise temperature measurement.
Q6. What is the operating temperature range?
It operates from 0 °C to 55 °C in standard industrial environments.
Q7. What are its physical size and weight?
It measures approximately 5.33 × 9.4 × 4.57 cm and weighs about 0.11–0.20 kg.
Q8. What applications is it typically used for?
It is used in industrial automation systems for temperature monitoring in processes such as furnaces, chemical processing, and thermal control systems.
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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.
