{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"E5EC-TCX4D5M-021","brand":"Omron","brandSlug":"omron","productSlug":"E5EC-TCX4D5M-021","canonicalUrl":"https://aoctrl.com/omron/E5EC-TCX4D5M-021","factsUrl":"https://aoctrl.com/api/mcp/products/E5EC-TCX4D5M-021","rawCanonicalId":null},"summary":{"shortDescription":"Omron E5EC-T series, Process/Temperature Controller, 24VAC/DC supply, analog + 4 relay outputs, PID control, IP66 front panel, panel mount.","salesMarkdown":"The Omron E5EC-TCX4D5M-021 is a panel-mount process and temperature controller from the E5EC-T series, accepting RTD and a wide range of thermocouples (B, E, J, K, L, N, PLII, R, S, T, U, W) plus 0–20 mA and 0–10 VDC linear inputs. That input flexibility means one part number covers most sensor types on a line — no need to stock separate thermocouple and RTD controllers. Control method is On/Off or full PID, giving the commissioning engineer the option to start with simple bang-bang tuning and move to PID once the process is stable. The 24 VAC/DC supply makes it a natural fit for panels that already run on 24 V control power — no separate transformer needed for the controller. ## Outputs and sealing Outputs are one analog channel plus four relays — the analog can drive an external SSR or a positioner, while the relays handle alarm, event, or secondary control loops. An event input is also on board, useful for remote run/hold or setpoint switching. The front panel carries an IP66 rating, meaning the controller survives washdown spray and dust ingress — common on food, beverage, and pharmaceutical lines where a standard NEMA 1 face would fail. Panel cutout is 92 mm × 45 mm, the standard 1/4 DIN horizontal footprint; existing cutouts for earlier E5EC or E5CS controllers will accept this without panel rework.","metaTitle":"Omron E5EC-TCX4D5M-021 Temperature Controller, 24VAC/DC, PID","metaDescription":"Omron E5EC-TCX4D5M-021 process/temperature controller. 24VAC/DC supply, analog + 4 relay outputs, PID control, IP66 front. Active production. 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-T","Weight":"0.463 lb (210.01 g)","Package":"Bulk","Features":"Event Input","Input Range":"-200°C ~ 2300°C, 0 ~ 20mA, 0 ~ 10VDC","Output Type":"Analog, Relay (4)","Display Type":"LCD - Tri Color Characters, Backlight","Mounting Type":"Panel Mount","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-TCX4D5M-021/alternatives.json"},"ai":{"faq":[{"question":"Where can I buy E5EC-TCX4D5M-021 and how do I get a price?","answer":"The E5EC-TCX4D5M-021 is available to order through independent distribution. Submit an RFQ for current pricing and availability — stock and price are confirmed at quote time, not on a public listing."},{"question":"What are the specifications of E5EC-TCX4D5M-021?","answer":"It is a process/temperature controller accepting RTD and thermocouples (B, E, J, K, L, N, PLII, R, S, T, U, W) plus 0–20 mA and 0–10 VDC inputs. Outputs are analog + 4 relays. Control is On/Off or PID. Panel cutout is 92 mm × 45 mm. Front panel is IP66. Operating temperature is -10°C to 55°C."},{"question":"How to wire E5EC-TCX4D5M-021?","answer":"Termination is via screw terminals. The 24 VAC/DC supply connects to the dedicated power terminals. Analog output, relay outputs, and event input each have their own terminals. The manual shows the full wiring diagram."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/omron/E5EC-TCX4D5M-021","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-TCX4D5M-021 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}}