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The FOXBORO E69F-TI2-JRS is a specialized terminal interface assembly designed for high-integrity temperature measurement in Foxboro’s I/A Series® Distributed Control Systems (DCS). Serving as the field wiring front-end for RTD (Resistance Temperature Detector) input modules such as the FBM207 and FBM247, the FOXBORO E69F-TI2-JRS provides a robust, screw-terminal connection point that supports 2-wire, 3-wire, and 4-wire RTD configurations. Its jumper-selectable settings allow flexible configuration for common sensor types—including Pt100, Pt500, and Ni100—enabling precise thermal monitoring across diverse industrial processes.
Engineered for reliability in demanding environments, the FOXBORO E69F-TI2-JRS integrates built-in signal conditioning, transient suppression, and electromagnetic interference (EMI) shielding to ensure measurement accuracy even in electrically noisy plants. As part of Foxboro’s modular I/O architecture, this terminal block simplifies field wiring, reduces installation errors, and accelerates commissioning. The “JRS” suffix denotes jumper-configurable range selection and screw-type terminals, distinguishing it from spring-clamp or fixed-range variants. In critical applications such as power generation, chemical processing, and oil refining, the FOXBORO E69F-TI2-JRS plays a vital role in maintaining process stability by delivering dependable, high-fidelity temperature data to the DCS controller.
Technical Specifications
| Parameter Name | Parameter Value |
|---|---|
| Product Model | E69F-TI2-JRS |
| Manufacturer | FOXBORO (an ABB company) |
| Product Type | RTD input terminal interface block for I/A Series DCS |
| Number of Channels | 2 independent RTD input channels |
| Supported RTD Types | Pt100, Pt500, Pt1000, Ni100 (jumper-selectable) |
| Wiring Configurations | 2-wire, 3-wire, 4-wire (field-configurable via jumpers) |
| Terminal Type | Screw-clamp terminals, 1.5–2.5 mm² wire range |
| Isolation | 500 Vrms channel-to-channel and field-to-system isolation |
| Operating Temperature | -20°C to +70°C |
| Mounting Method | DIN rail (35 mm), compatible with I/A Series backplane carriers |
| Standards Compliance | CE, UL 61010-1, ANSI/ISA 12.12.01 (for associated modules) |
| Compatibility | Designed for use with FBM207, FBM247 RTD input function blocks |
Main Features and Advantages
Field-configurable RTD flexibility:
The FOXBORO E69F-TI2-JRS eliminates the need for multiple hardware variants by supporting multiple RTD types and wiring schemes through simple jumper settings. Technicians can configure each of the two channels independently for Pt100 (385 or 392 curve), Pt500, or Ni100 sensors—accommodating legacy and modern installations without module replacement.
The FOXBORO E69F-TI2-JRS eliminates the need for multiple hardware variants by supporting multiple RTD types and wiring schemes through simple jumper settings. Technicians can configure each of the two channels independently for Pt100 (385 or 392 curve), Pt500, or Ni100 sensors—accommodating legacy and modern installations without module replacement.
Robust signal integrity in harsh environments:
Designed for industrial settings with high EMI from motors, VFDs, and switching transients, the E69F-TI2-JRS incorporates shielded terminal blocks and transient voltage suppression on all RTD lines. This minimizes noise-induced drift and ensures temperature readings remain stable and accurate over time—critical for closed-loop control in reactors or boilers.
Designed for industrial settings with high EMI from motors, VFDs, and switching transients, the E69F-TI2-JRS incorporates shielded terminal blocks and transient voltage suppression on all RTD lines. This minimizes noise-induced drift and ensures temperature readings remain stable and accurate over time—critical for closed-loop control in reactors or boilers.
Seamless DCS integration with error reduction:
As a native component of the Foxboro I/A Series ecosystem, the FOXBORO E69F-TI2-JRS aligns mechanically and electrically with carrier modules like the FBM207. Color-coded terminals, clear labeling, and keyed housing prevent miswiring during installation or maintenance. The screw-terminal design ensures secure connections that resist vibration-induced loosening—common in turbine halls or compressor skids.
As a native component of the Foxboro I/A Series ecosystem, the FOXBORO E69F-TI2-JRS aligns mechanically and electrically with carrier modules like the FBM207. Color-coded terminals, clear labeling, and keyed housing prevent miswiring during installation or maintenance. The screw-terminal design ensures secure connections that resist vibration-induced loosening—common in turbine halls or compressor skids.
Simplified lifecycle management:
Unlike proprietary connector-based systems, the E69F-TI2-JRS uses standard screw terminals that are easy to inspect, re-terminate, or troubleshoot with basic tools. Spare parts logistics are streamlined since one terminal block serves multiple RTD types. When paired with redundant FBM modules, the FOXBORO E69F-TI2-JRS supports high-availability architectures in continuous-process industries.
Unlike proprietary connector-based systems, the E69F-TI2-JRS uses standard screw terminals that are easy to inspect, re-terminate, or troubleshoot with basic tools. Spare parts logistics are streamlined since one terminal block serves multiple RTD types. When paired with redundant FBM modules, the FOXBORO E69F-TI2-JRS supports high-availability architectures in continuous-process industries.
Application Field
The FOXBORO E69F-TI2-JRS is widely deployed in continuous and batch process industries where precise temperature measurement directly impacts product quality, safety, and efficiency. In power generation plants, it interfaces RTDs monitoring boiler tube wall temperatures, steam header conditions, and turbine bearing temps—data essential for preventing overheating and optimizing combustion efficiency. The ability to support 3-wire Pt100 sensors over long cable runs makes it ideal for distributed sensor networks across large facilities.
In chemical and petrochemical refineries, the FOXBORO E69F-TI2-JRS connects to RTDs in reactors, distillation columns, and heat exchangers. Accurate temperature feedback enables tight control of exothermic reactions and phase separation processes. Its compatibility with intrinsically safe barriers (when used with appropriate FBM modules) allows deployment in Zone 2 hazardous areas without compromising signal fidelity.
Pharmaceutical and food processing facilities also rely on the E69F-TI2-JRS for validated temperature monitoring in sterilization (SIP), pasteurization, and cold-chain storage. The terminal block’s stable performance over time supports compliance with FDA 21 CFR Part 11 and GAMP guidelines. Across all these sectors, the FOXBORO E69F-TI2-JRS delivers the reliability, flexibility, and integration depth required by mission-critical DCS applications.
Related Products
FBM207: 8-channel RTD input function block module—primary host for E69F-TI2-JRS
FBM247: Enhanced 8-channel RTD module with HART pass-through—compatible with E69F-TI2-JRS
E69F-TI2-JRN: Same terminal block but with spring-clamp (push-in) terminals instead of screws
E69F-TI2-JRA: Fixed-range variant (Pt100 only), no jumper configuration
E69F-TI4-JRS: 4-channel version for higher-density RTD applications
E69F-DI8-JRS: Digital input terminal block for discrete signals—same form factor
P0916YB: I/A Series DIN rail carrier base for mounting E69F-TI2-JRS and FBM modules
FBM201: Thermocouple input module—paired with E69F-TC2-JRS terminal block
Installation and Maintenance
Pre-installation preparation: Before installing the FOXBORO E69F-TI2-JRS, confirm compatibility with the target FBM module (e.g., FBM207 or FBM247) and verify that the DIN rail carrier (such as P0916YB) is securely mounted in the I/A Series cabinet. Ensure ambient temperature remains within -20°C to +70°C and that humidity does not exceed 95% non-condensing. Use twisted, shielded RTD extension cables (minimum AWG 20) and ground the shield at the DCS end only to avoid ground loops. Configure jumpers on the FOXBORO E69F-TI2-JRS according to the connected RTD type and wiring scheme (2/3/4-wire) before powering up the system.
Maintenance recommendations: The FOXBORO E69F-TI2-JRS requires no routine calibration or firmware updates. However, during scheduled outages, inspect screw terminals for signs of corrosion, overheating, or loosening—especially in high-vibration areas. Retorque terminals to 0.5 Nm if necessary. Verify jumper positions match the sensor specifications, as misconfiguration is a common cause of measurement offset. If temperature readings drift or become erratic, isolate the issue by testing the RTD sensor separately; the E69F-TI2-JRS itself rarely fails due to its passive design. Always de-energize the FBM module before removing or servicing the FOXBORO E69F-TI2-JRS to prevent backplane damage.
