Products Description
| Company Information | |||
| [email protected] | |||
| Mobile | +8613950166376 | ||
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Technical Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | Rockwell Automation / Allen-Bradley |
| Product Series | FLEX Ex |
| Model Number | 1797-IRT8 |
| Product Type | RTD / Thermocouple / mV Input Module |
| Module Type | FLEX Ex 8-Channel Temperature Input Module |
| Number of Inputs | 8 Analog Input Channels |
| Input Types | RTD, Thermocouple, Millivolt |
| Supported Thermocouple Types | B, C, E, J, K, N, R, S, T |
| Supported RTD Types | 2-wire, 3-wire, 4-wire RTD Sensors |
| Input Signal Range | 40…100 mV, 0…485 Ω |
| Input Resolution | 16-bit |
| Input Configuration | Internal Bus Configurable |
| Isolation | Intrinsically Safe Design |
| Conversion Method | Sigma-Delta Conversion |
| Settling Time | Approx. 8 ms |
| Lead Resistance Compensation | 15 Ω Maximum |
| Cold Junction Compensation | Supported |
| Open Sensor Detection | Yes |
| Module Field-Side Power Consumption | Approx. 1.6 W |
| Power Dissipation | Approx. 1.6 W |
| Thermal Dissipation | Approx. 5.46 BTU/hr |
| Power Supply | 9.5V DC |
| Current Consumption | <1 A (Li) |
| Compatible Terminal Bases | 1797-TB3, 1797-TB3S |
| Mounting Type | DIN Rail or Panel Mount |
| Enclosure Type | Open Style |
| Protection Rating | IP20 |
| Hazardous Area Support | Intrinsically Safe Applications |
| Operating Temperature | -20°C to 70°C |
| Storage Temperature | -40°C to 85°C |
| Relative Humidity | 5% to 95% Non-Condensing |
| Shock Resistance | 30 G Operating |
| Vibration Resistance | 5 G at 10 to 500 Hz |
| Certifications | UL, CE, ATEX, IECEx, FM, CSA, Marine |
| Lifecycle Status | Discontinued |
| Dimensions | Approx. 94 x 75 x 46 mm |
| Weight | Approx. 0.20 – 0.31 kg |
| Typical Applications | Hazardous Area Temperature Monitoring, Oil & Gas, Chemical Processing, Offshore Automation |
FAQ
FAQ
Q1: What is the Allen-Bradley 1797-IRT8 used for?
A1: The 1797-IRT8 is a FLEX Ex intrinsically safe temperature input module designed for RTD, thermocouple, and millivolt signal monitoring in hazardous industrial environments.
Q2: How many input channels does the 1797-IRT8 provide?
A2: The module provides 8 configurable analog temperature input channels for industrial process monitoring applications.
Q3: Which sensor types are supported by the 1797-IRT8?
A3: The module supports RTD sensors, thermocouples, and millivolt input devices, including 2-wire, 3-wire, and 4-wire RTD configurations.
Q4: Which thermocouple types are compatible with the 1797-IRT8?
A4: Supported thermocouple types include B, C, E, J, K, N, R, S, and T thermocouples.
Q5: Is the 1797-IRT8 suitable for hazardous locations?
A5: Yes. The module is designed for intrinsically safe hazardous-area applications and includes ATEX, IECEx, FM, CSA, and marine certifications.
Q6: What mounting methods are supported by the 1797-IRT8?
A6: The module supports both DIN rail mounting and panel mounting for industrial automation installations.
Q7: Does the 1797-IRT8 support open sensor detection and lead compensation?
A7: Yes. The module supports open sensor diagnostics and lead resistance compensation up to 15 Ω for improved measurement accuracy.
Q8: What are the common applications of the 1797-IRT8?
A8: Common applications include refinery automation, offshore platforms, chemical processing plants, oil and gas production systems, and hazardous-area process temperature monitoring.
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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.
