{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"E5EC-RX4ABM-008","brand":"Omron","brandSlug":"omron","productSlug":"E5EC-RX4ABM-008","canonicalUrl":"https://aoctrl.com/omron/E5EC-RX4ABM-008","factsUrl":"https://aoctrl.com/api/mcp/products/E5EC-RX4ABM-008","rawCanonicalId":null},"summary":{"shortDescription":"Omron E5EC-RX4ABM-008 Temperature Controller, RTD and 13 thermocouple types, 5 relay outputs, RS-485 communications, PID control, 100-240 VAC, spring terminals, IP66 front panel, 1/4 DIN.","salesMarkdown":"## Five relay outputs in a 1/4 DIN package The E5EC-RX4ABM-008 carries five relay outputs — one more than the standard four on the E5EC-RX2ABM-008. That fifth relay is useful for a secondary alarm, a separate heater contactor, or a valve position signal without adding an external relay module. The controller accepts RTD and 13 thermocouple types (B, E, J, K, L, N, PLII, R, S, T, U, W) plus 0-20 mA and 0-10 VDC analog inputs, covering the full range from -200°C to 2300°C. One unit handles most process sensors without a separate signal conditioner. Control method is On/Off or Proportional (PID) — the PID loop is auto-tuned from the front panel, no software required. The RS-485 port supports Modbus or CompoWay/F for host readout and setpoint changes. ## IP66 front panel and spring terminals The front panel is rated IP66 — dust-tight and protected against hose-directed water. This matters for food, beverage, pharmaceutical, or any washdown zone where a standard IP54 controller would fail from moisture ingress through the bezel seal. Termination is spring-clamp, not screw. No torque driver needed, no screw loosening from vibration, and the wire is held by constant spring force. The 92 mm x 45 mm rectangular cutout matches the standard 1/4 DIN panel punch — no adapter plate required. Supply voltage is 100-240 VAC, so it connects directly to line power without a step-down transformer. Operating ambient is -10°C to 55°C — fine for most indoor panel environments but not for direct oven-side mounting. ## Heater fault detection built in Heater Fault Detection monitors the current draw of the controlled heater load via an external CT. If the current drops below a set threshold — indicating a failed heater element or a shorted SSR — the controller flags an alarm. This catches heater failures between production cycles instead of waiting for a temperature deviation. The display is a tri-color LCD backlight with three rows of four characters each. Row heights are 0.710\", 0.433\", and 0.307\" — the top row shows the process value in large digits, the middle row the setpoint, and the bottom row status or alarm text. ## Active production — no lifecycle concern Sourced to order against the BOM quantity through independent distribution. No minimum order quantity beyond the standard distributor terms.","metaTitle":"Omron E5EC-RX4ABM-008 Temperature Controller","metaDescription":"Omron E5EC-RX4ABM-008 temperature controller with 5 relay outputs, RS-485, PID control, IP66 front panel. Active production — sourced to order.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Active","categoryPath":["Process / Temperature Controllers"],"specifications":{"Type":"Temperature Controller (RTD, Type B, E, J, K, L, N, PLII, R, S, T, U, W)","title":"E5EC-RX4ABM-008","Series":"E5EC","Weight":"0.463 lb (210.01 g)","Package":"Box","Features":"Heater Fault Detection","Input Range":"-200°C ~ 2300°C, 0 ~ 20mA, 0 ~ 10VDC","Output Type":"Relay (5)","description":"CONTROL TEMP RELAY OUT 100-240V","Display Type":"LCD - Tri Color Characters, Backlight","Mounting Type":"Panel Mount","Communications":"RS-485","Control Method":"On/Off, Proportional (PID)","lifecycle_stage":"current","Voltage - Supply":"100 ~ 240VAC","Termination Style":"Spring 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,"stockQuantity":0,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.aoctrl.com/c6d2565f7c49acd020a74c22dc4212b3.pdf","sourceUrl":null},"ai":{"faq":[{"question":"What is the E5EC-RX4ABM-008 equivalent or form-fit-function replacement?","answer":"No direct replacement is needed — the part is active. The closest functional variant is the E5EC-RX2ABM-008, which has four relay outputs instead of five but shares the same input range, RS-485, IP66 rating, spring terminals, and 1/4 DIN cutout. The fifth relay on the RX4ABM-008 is the deciding difference for multi-alarm or dual-stage control."},{"question":"Where can I buy the E5EC-RX4ABM-008 with current stock and lead time?","answer":"Sourced to order against the BOM quantity through independent distribution. Submit an RFQ for your quantity and delivery window."},{"question":"What are the full specifications and sensor input types of the E5EC-RX4ABM-008?","answer":"Accepts RTD and 13 thermocouple types (B, E, J, K, L, N, PLII, R, S, T, U, W) plus 0-20 mA and 0-10 VDC analog inputs. Input range spans -200°C to 2300°C. Outputs are five relays. Control is On/Off or PID with auto-tune. Communications via RS-485 (Modbus/CompoWay/F). Supply 100-240 VAC. Panel cutout 92 mm x 45 mm. IP66 front panel. Spring-clamp terminals."},{"question":"Does the E5EC-RX4ABM-008 have a SIL or functional safety rating?","answer":"No SIL or functional safety rating is listed in the specifications for this controller. It is a standard process temperature controller, not a safety-rated device. For safety loops requiring SIL 2 or SIL 3, a separate safety temperature limiter should be used in series."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://aoctrl.com/omron/E5EC-RX4ABM-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-RX4ABM-008 when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-08-11T15:51:03.652Z","lastPublished":"2026-08-11T15:51:03.652Z","indexable":true}}