{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"E5EC-TRR4D5M-008","brand":"Omron","brandSlug":"omron","productSlug":"E5EC-TRR4D5M-008","canonicalUrl":"https://aoctrl.com/omron/E5EC-TRR4D5M-008","factsUrl":"https://aoctrl.com/api/mcp/products/E5EC-TRR4D5M-008","rawCanonicalId":null},"summary":{"shortDescription":"Omron E5EC-TRR4D5M-008 Process / Temperature Controller, Series E5EC-T, 24 VAC/DC supply, 6 relay outputs, RS-485 Modbus, IP66 front panel, 92 x 45 mm panel cutout.","salesMarkdown":"## Panel fit and supply voltage decision The E5EC-TRR4D5M-008 runs on 24 VAC/DC, which keeps the control transformer small and lets it share a 24 V rail with sensors and PLC I/O in the same enclosure. The rectangular panel cutout is 92.00 mm x 45.00 mm — the standard 1/4 DIN footprint for this class, so it drops into existing cutouts without rework. The front panel carries an IP66 rating — dust-tight and protected against hose-directed water. That matters for washdown zones in food, beverage, or chemical processing where a standard NEMA 4X front is expected. ## Input flexibility and control loop This controller accepts RTD and 13 thermocouple types (B, E, J, K, L, N, PLII, R, S, T, U, W) covering -200°C to 2300°C, plus 0–20 mA and 0–10 VDC process signals. That range spans everything from cryogenic storage to furnace exhaust, so one part number covers most sensor types on a line. Control method is On/Off or proportional (PID). The six relay outputs handle direct heater switching or alarm annunciation without external interposing relays for moderate loads. RS-485 communication supports both CompoWay/F and Modbus protocols. That lets the controller report setpoint, PV, and alarm status to a PLC or SCADA host over a standard two-wire bus without a protocol converter. ## Heater fault detection and event input Built-in heater fault detection monitors the load current and flags a broken heater or SSR short before the process drifts out of spec. The event input can trigger a preset value change or alarm mask from a dry contact — useful for recipe switching or manual override without touching the front panel.","metaTitle":"Omron E5EC-TRR4D5M-008 Temperature Controller, 24 VAC/DC","metaDescription":"Omron E5EC-TRR4D5M-008 process controller, 24 VAC/DC supply, 6 relay outputs, RS-485 Modbus, IP66 front panel. Active production, sourced per RFQ.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Active","categoryPath":["Process / Temperature Controllers"],"specifications":{"Type":"Process, Temperature Controller (RTD, Type B, E, J, K, L, N, PLII, R, S, T, U, W)","Series":"E5EC-T","Weight":"0.463 lb (210.01 g)","Package":"Bulk","Features":"Event Input, Heater Fault Detection","Input Range":"-200°C ~ 2300°C, 0 ~ 20mA, 0 ~ 10VDC","Output Type":"Relay (6)","Display Type":"LCD - Tri Color Characters, Backlight","Mounting Type":"Panel Mount","Communications":"RS-485 (CompoWay/F, Modbus)","Control Method":"On/Off, Proportional (PID)","lifecycle_stage":"current","Voltage - Supply":"24VAC/DC","Termination Style":"Screw Terminal","Ingress Protection":"IP66 - Dust Tight, Water Resistant","Operating Temperature":"-10°C ~ 55°C","Panel Cutout Dimensions":"Rectangular - 92.00mm x 45.00mm","Display Characters - Height":"0.710\" (18.00mm), 0.433\" (11.00mm), 0.307\" (7.80mm)","Number of Characters Per Row":"4, 4, 4"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.aoctrl.com/c6d2565f7c49acd020a74c22dc4212b3.pdf","sourceUrl":null,"alternativesUrl":"https://aoctrl.com/api/mcp/products/E5EC-TRR4D5M-008/alternatives.json"},"ai":{"faq":[{"question":"Will the E5EC-TRR4D5M-008 drop into a panel cut for the E5EC-TRR4A5M-008 without rewiring?","answer":"Yes — both share the same 92.00 mm x 45.00 mm panel cutout, same screw terminal layout, same six relay outputs, and the same RS-485 Modbus wiring. The only difference is supply voltage: the E5EC-TRR4A5M-008 runs on 100–240 VAC, while the E5EC-TRR4D5M-008 runs on 24 VAC/DC. If the panel already has a 24 V rail, this is a direct swap."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/omron/E5EC-TRR4D5M-008","citationPolicyUrl":"https://aoctrl.com/llms.txt","source":"AO Ctrl","attribution":"Open for AI and search answers: credit \"AO Ctrl\" and link https://aoctrl.com/omron/E5EC-TRR4D5M-008 when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-09-02T08:15:54.622Z","lastPublished":"2026-09-02T08:15:54.622Z","indexable":true}}