{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"E5EC-CQ4D5M-009","brand":"Omron","brandSlug":"omron","productSlug":"E5EC-CQ4D5M-009","canonicalUrl":"https://aoctrl.com/omron/E5EC-CQ4D5M-009","factsUrl":"https://aoctrl.com/api/mcp/products/E5EC-CQ4D5M-009","rawCanonicalId":null},"summary":{"shortDescription":"Omron E5EC series process and temperature controller, 24VAC/DC, PID control, analog + relay + voltage (external SSR) outputs, RS-485 CompoWay/F and Modbus, IP66 front panel, active.","salesMarkdown":"## What this controller brings to the panel The Omron E5EC-CQ4D5M-009 is a 1/16 DIN process and temperature controller that accepts RTD and a wide range of thermocouples (B, E, J, K, L, N, PLII, R, S, T, U, W) plus analog inputs of 0–20 mA or 0–10 VDC, covering the full span from -200°C to 2300°C. Its mixed output set — one analog channel, four relay outputs, and a voltage pulse for external SSR — means you can drive a heater directly through the SSR output, send a retransmission signal to a PLC or recorder via the analog output, and still have four relay contacts for alarms or on/off stages. The RS-485 port speaks both CompoWay/F and Modbus, so it drops into most existing fieldbus architectures without a protocol converter. ## Control method and key features Control method is selectable between on/off and proportional (PID), so it handles simple level control or tight temperature regulation depending on the loop. Built-in heater fault detection monitors current draw and flags a broken heater or SSR short — a useful diagnostic for electric furnaces, ovens, and extruder zones where an undetected heater failure ruins a batch. The event input accepts a dry-contact or solid-state signal to switch between preset sets of PID parameters, remote setpoint, or run/hold — handy for recipe changes without touching the front panel. Panel mount with a rectangular cutout of 92.00 mm × 45.00 mm and screw terminals for field wiring. The front panel carries an IP66 rating, meaning it withstands hose-down and dust ingress; suitable for food-processing, washdown, or outdoor enclosures where the controller face is exposed.","metaTitle":"Omron E5EC-CQ4D5M-009 Temperature Controller, 24VAC/DC","metaDescription":"Omron E5EC-CQ4D5M-009 process/temperature controller. 24VAC/DC supply, PID control, analog + relay + SSR outputs, RS-485 Modbus. Active part, sourced to order.","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","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":"Analog, Relay (4), Voltage (External SSR)","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-CQ4D5M-009/alternatives.json"},"ai":{"faq":[{"question":"Is E5EC-CQ4D5M-009 a PID controller and what is the control method?","answer":"Yes, it supports both On/Off and proportional (PID) control methods, selectable per application."},{"question":"What is the power supply requirement for E5EC-CQ4D5M-009?","answer":"It requires a 24 VAC/DC supply."},{"question":"What are the equivalent or replacement options for E5EC-CQ4D5M-009?","answer":"The closest functional sibling is the E5EC-QR4D5M-009, which swaps the analog output for a fifth relay output — otherwise the same sensor support, communications, and heater fault detection."},{"question":"Can E5EC-CQ4D5M-009 be used for temperature control?","answer":"Yes, it is a process and temperature controller accepting RTD and thermocouple types B, E, J, K, L, N, PLII, R, S, T, U, W across a -200°C to 2300°C range."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/omron/E5EC-CQ4D5M-009","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-CQ4D5M-009 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}}