{"product_id":"ic695alg508-emerson-rx3i-rtd-input-module-pacsystems-controller-part","title":"IC695ALG508 Emerson RX3i RTD Input Module | PACSystems Controller Part","description":"\u003ch2\u003e\n\u003cstrong\u003e\u003cspan style=\"color: #0056b3;\"\u003eIC695ALG508\u003c\/span\u003e\u003c\/strong\u003e PACSystems RX3i 8-Channel RTD Input Module Overview\u003c\/h2\u003e\n\u003cp\u003eEngineered for precision thermal monitoring in demanding industrial infrastructure, the \u003cstrong\u003e\u003cspan style=\"color: #0056b3;\"\u003eIC695ALG508\u003c\/span\u003e\u003c\/strong\u003e is a high-accuracy Resistance Temperature Detector (RTD) input module built for the PACSystems RX3i programmable automation controller platform. Originally developed under GE Intelligent Platforms and currently supported by Emerson Automation, this module manages thermal feedback across eight isolated, differential input channels. It translates raw resistance fluctuations into stable process variables using ITS-90 linearization, giving automation engineers reliable temperature tracking across complex production lines, energy grids, and process skids.\u003c\/p\u003e\n\u003ch3\u003eComprehensive Technical Specifications \u0026amp; Measurement Performance\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand \/ Series \/ Manufacturer:\u003c\/strong\u003e GE Fanuc \/ \u003ca href=\"https:\/\/www.plcsparehub.com\/collections\/ge-rx3i-rx7i-pacsystem\"\u003ePACSystems RX3i\u003c\/a\u003e \/ Emerson Automation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number \u0026amp; Type:\u003c\/strong\u003e \u003cstrong\u003e\u003cspan style=\"color: #0056b3;\"\u003eIC695ALG508\u003c\/span\u003e\u003c\/strong\u003e (Resistance Temperature Detector Input Module)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChannel Architecture:\u003c\/strong\u003e Eight (8) isolated, differential input channels supporting 2-wire, 3-wire, and 4-wire configurations\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSupported RTD Standards:\u003c\/strong\u003e Platinum 385\/391.6, Nickel 618\/672, Copper 426, and Nickel-Iron 518 across multiple resistance tiers (50Ω to 1000Ω)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect Resistance Ranges:\u003c\/strong\u003e 0-260Ω, 0-525Ω, 0-1050Ω, 0-2100Ω, 0-3150Ω, and 0-4200Ω\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFrequency Response \u0026amp; Filtering:\u003c\/strong\u003e Configurable digital notch filters selectable from 2.3 Hz to 28 Hz per channel to suppress line noise\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eResolution \u0026amp; Data Format:\u003c\/strong\u003e 16-bit integer (within a 32-bit field) or 32-bit IEEE floating-point real data format\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMeasurement Units:\u003c\/strong\u003e User-selectable scaling in Degrees Celsius (°C), Degrees Fahrenheit (°F), or Ohms (Ω)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBackplane Power Demand:\u003c\/strong\u003e 3.3 VDC at 400 mA and 5.1 VDC at 200 mA (Max power dissipation: 2.5W)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnvironmental Tolerances:\u003c\/strong\u003e Operating temperature 0°C to 60°C; Storage temperature -40°C to 85°C; 5% to 95% non-condensing humidity\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eGlobal PLC Spare HUB's Insight \u0026amp; Field Experience\u003c\/h3\u003e\n\u003cp\u003eDeploying multi-channel temperature instrumentation like the \u003cstrong\u003e\u003cspan style=\"color: #0056b3;\"\u003eIC695ALG508\u003c\/span\u003e\u003c\/strong\u003e in high-electrical-noise environments requires meticulous attention to shield grounding. Global PLC Spare HUB field engineers recommend pairing this module with extended box-style or extended spring-style terminal blocks (such as the IC694TBB132 or IC694TBS132) because their extra shroud depth properly accommodates heavy shielded cable drains. Furthermore, when configuring 3-wire RTDs over long cable runs, ensure line resistances are matched during software calibration to eliminate lead-wire thermal offset errors before commissioning the loop.\u003c\/p\u003e\n\u003ch3\u003eInstallation, Compatibility \u0026amp; Hardware Integration\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBackplane Slot Placement:\u003c\/strong\u003e Installs directly into any universal backplane slot within the RX3i rack structure.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHot-Swap Support:\u003c\/strong\u003e Fully supports Removal and Insertion Under Power (RIUP), allowing technicians to replace faulty modules without cycling backplane power.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTerminal Block Options:\u003c\/strong\u003e Compatible with box-style (IC694TBB032), extended box-style (IC694TBB132), spring-style (IC694TBS032), and extended spring-style (IC694TBS132) blocks.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReaction to System Failure:\u003c\/strong\u003e User-configurable to hold last state or revert to default preset values upon CPU mode changes or bus communication loss.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eAdvanced Diagnostics \u0026amp; Fault Reporting Capabilities\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eModule OK LED:\u003c\/strong\u003e Continuous green illumination confirms healthy internal operations and backplane communication.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eField Status LED:\u003c\/strong\u003e Alerts operators to external 24 VDC loop excitation issues, voltage sag, or wiring faults.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOnboard Error Detection:\u003c\/strong\u003e Automatically logs Watchdog timeouts, RAM integrity failures, and Flash memory checksum errors directly into the RX3i CPU diagnostic table.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTarget Equipment \u0026amp; Typical Application Scenarios\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eProcess Control Skids:\u003c\/strong\u003e Monitoring exothermic reactor core temperatures in chemical manufacturing plants.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Generation Facilities:\u003c\/strong\u003e Tracking turbine bearing temperatures and auxiliary lube oil cooling loops.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWater \u0026amp; Wastewater Treatment:\u003c\/strong\u003e Measuring multi-point fluid temperatures across large aeration basins and sludge digesters using precision RTD probes.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eGlobal Logistics, Warranty \u0026amp; Procurement Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFulfillment Carriers:\u003c\/strong\u003e Expedited global shipping handled via trusted couriers including FedEx, UPS, and DHL.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDispatch Timeline:\u003c\/strong\u003e Standard orders are processed and dispatched within \u003cstrong\u003e24 to 48 hours\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuality Assurance:\u003c\/strong\u003e Backed by a comprehensive \u003cstrong\u003e12-month warranty\u003c\/strong\u003e covering all structural and functional hardware defects.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch3\u003eQ: Can individual channels on the \u003cstrong\u003e\u003cspan style=\"color: #0056b3;\"\u003eIC695ALG508\u003c\/span\u003e\u003c\/strong\u003e be configured for different sensor types simultaneously?\u003c\/h3\u003e\n\u003cp\u003eA: Yes, each of the eight channels is completely independent, allowing engineers to mix platinum RTDs, nickel sensors, and raw resistance measurements across the same physical module.\u003c\/p\u003e\n\u003ch3\u003eQ: What is the primary advantage of selecting 4-wire RTD configurations over 2-wire setups?\u003c\/h3\u003e\n\u003cp\u003eA: 4-wire configurations completely eliminate lead-wire resistance errors by utilizing separate current excitation and voltage sense leads, making it ideal for long-distance sensor runs.\u003c\/p\u003e\n\u003ch3\u003eQ: How do I select between the standard and extended terminal blocks for the \u003cstrong\u003e\u003cspan style=\"color: #0056b3;\"\u003eIC695ALG508\u003c\/span\u003e\u003c\/strong\u003e?\u003c\/h3\u003e\n\u003cp\u003eA: Extended terminal blocks (IC694TBB132 or IC694TBS132) provide deeper shrouds, which are strongly recommended when dealing with thick, multi-core shielded cables to prevent mechanical stress on wire terminations.\u003c\/p\u003e\n\u003ch3\u003eQ: What causes the Field Status LED to flash or change state during operation?\u003c\/h3\u003e\n\u003cp\u003eA: The Field Status LED typically flags external loop power irregularities, sensor open-circuit conditions, or input voltages exceeding the calibrated measurement threshold.\u003c\/p\u003e\n\u003ch3\u003eQ: Purchasing Guidance: How should engineers verify spare compatibility before ordering an \u003cstrong\u003e\u003cspan style=\"color: #0056b3;\"\u003eIC695ALG508\u003c\/span\u003e\u003c\/strong\u003e replacement?\u003c\/h3\u003e\n\u003cp\u003eA: Verify that your RX3i CPU backplane firmware supports the required 32-bit floating-point data arrays and ensure your system power supply can handle the 400 mA draw at 3.3V demanded by the module.\u003c\/p\u003e","brand":"GE Fanuc","offers":[{"title":"Default Title","offer_id":45013994143926,"sku":"IC695ALG508","price":218.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0722\/7863\/8774\/files\/IC695ALG508.jpg?v=1786504929","url":"https:\/\/www.plcsparehub.com\/products\/ic695alg508-emerson-rx3i-rtd-input-module-pacsystems-controller-part","provider":"Global PLC Spare Hub","version":"1.0","type":"link"}