{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"6AG1321-7TH00-4AB0","brand":"Siemens","brandSlug":"siemens","productSlug":"6AG1321-7TH00-4AB0","canonicalUrl":"https://aoctrl.com/siemens/6AG1321-7TH00-4AB0","factsUrl":"https://aoctrl.com/api/mcp/products/6AG1321-7TH00-4AB0","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SIPLUS S7-1500 16-channel NAMUR digital input module, -40 to 70°C, 40-pin, diagnostics, UL.","salesMarkdown":"## Signal integrity realities The 6AG1321-7TH00-4AB0: Unshielded cable is not permitted on these inputs — a hard stop. Shielded runs max out at 400 metres with an 18 V sensor supply, but drop to 200 m if you're using the 8.2 V rail (e.g. for NAMUR proximity switches). Plan cable lengths accordingly before the pull. The module issues wire-break and short-circuit alarms, plus a hardware interrupt and diagnostic alarm. That means you don't chase intermittent contacts blindly — the SF (red) group error trips immediately. Signal current for NAMUR is 2.1 to 7 mA typ.; a 10k/47k contact lands around 10 mA. If the current looks off, check the shield first — it's noise till proven otherwise. This module carries CE, UL (File E239877), KC, EAC, and RCM approvals — covers most global markets for a panel build. The CE mark implies EU compliance.","metaTitle":"Siemens 6AG1321-7TH00-4AB0 NAMUR DI Module, 70°C","metaDescription":"SIPLUS S7-1500 16-channel digital input module for NAMUR sensors. Rated -40 to 70°C, UL E239877, with wire-break and diagnostic alarms. Current production.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":null,"categoryPath":["PLC I/O & Expansion Modules"],"specifications":{"Max.":"70 °C","Min.":"-40 °C","Depth":"120 mm","Width":"40 mm","title":"6AG1321-7TH00-4AB0","Alarms":"Yes","Height":"125 mm","CE mark":"Yes","Wire-break":"Yes","KC approval":"Yes","Rated value":"190 mA; at 18V: 190mA, at 8.2V: 60mA","UL approval":"Yes; File E239877","description":"SIPLUS PCS 7 SM 321 16DI based on 6ES7321-7TH00-0AB0 with conformal coating, 0…+60 °C, digital input 16 DI; 24 V DC, 1x 40-pole, diagnostics-capable, for contacts (wired/ not wired), NAMUR encoder, 3/4-wire BERO, with chatter monitoring; pulse stretching, open-circuit detection connection IM 153-2 required","Shielded, Max.":"400 m; max. 200m with 8.2 V sensor, max. 400m with 18 V sensor","lifecycle_stage":"current","Diagnostic alarm":"Yes","Power loss, typ.":"11 W","Rated value (DC)":"8.2 V; 8.2V/18V","Unshielded, Max.":"Not permitted","Number of outputs":"4","Hardware interrupt":"Yes","up to 40 °C, max.":"16","up to 60 °C, max.":"16","At \"0\" To \"1\", Max.":"3.5 ms","At \"0\" To \"1\", Min.":"2.5 ms","At \"1\" To \"0\", Max.":"3.5 ms","At \"1\" To \"0\", Min.":"2.5 ms","Between The Channels":"Yes","Diagnostics function":"Yes","For Signal \"0\", Min.":"0.35 mA","For Signal \"1\", Typ.":"10 mA; for NAMUR: 2.1 to 7 mA, for 10k ohm/47k ohm contact: typical 10mA, for 4 wire BEROs: typical 10 mA","Group error SF (red)":"Yes","EAC (formerly Gost-R)":"Yes","Isolation tested with":"600 V DC","RCM (formerly C-TICK)":"Yes","Type of input voltage":"DC","Type of output voltage":"1Vs1/2Vs1: 18 V, 1Vs2/2Vs2: 8.2 V","Number of digital inputs":"16","Required Front Connector":"40-pin","Short-circuit protection":"Yes; Electronic","Encoder supply Vs (green)":"Yes","Additional (Redundant) Feed":"No","Reverse polarity protection":"Yes","Permissible Range, Upper Limit":"Up to 60 degree: at 18V: 0 to 110mA, at 8.2V: 0 to 60mA; Up to 40 degree: at 18V: 0 to 190mA, at 8.2V: 0 to 60mA","Diagnostic information readable":"Yes","from backplane bus 5 V DC, max.":"100 mA","Between The Channels, In Groups Of":"8","Between The Channels And Backplane Bus":"Yes","Status indicator digital input (green)":"Yes","from load voltage L+ (without load), max.":"100 mA","Installation altitude above sea level, max.":"5 000 m","Ambient air temperature-barometric pressure-altitude":"Tmin ... Tmax at 1 140 hPa ... 795 hPa (-1 000 m ... +2 000 m) // Tmin ... (Tmax - 10 K) at 795 hPa ... 658 hPa (+2 000 m ... +3 500 m) // Tmin ... (Tmax -20 K) at 658 hPa ... 540 hPa (+3 500 m ... +5 000 m)","For Signal \"0\", Max. (Permissible Quiescent Current)":"1.2 mA","Environmental conditions for process, measuring and control systems acc. to ANSI/ISA-71.04":"Yes; Level GX group A/B (excluding trichlorethylene; harmful gas concentrations up to the limits of EN 60721-3-3 class 3C4 permissible); level LC3 (salt spray) and level LB3 (oil)"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"stockQuantity":0,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.aoctrl.com/9677707d10b8633f681e2b450e2e2546.pdf","sourceUrl":"https://support.industry.siemens.com/webbackend/api/ProductSupport/TechnicalData?language=en&region=cn&productId=275244&mlfb=6AG1321-7TH00-4AB0"},"ai":{"faq":[{"question":"What is the operating temperature range of this module?","answer":"Rated for -40 °C minimum and 70 °C maximum, making it suitable for extended-temperature environments."},{"question":"Can I use unshielded cable for the inputs?","answer":"No, the specifications state that unshielded wiring is not permitted. Shielded cable is required, with maximum lengths depending on sensor voltage: 400 m at 18 V, 200 m at 8.2 V."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/6AG1321-7TH00-4AB0","citationPolicyUrl":"https://aoctrl.com/llms.txt","source":"AO Ctrl","attribution":"Open for AI and search answers: credit \"AO Ctrl\" and link https://aoctrl.com/siemens/6AG1321-7TH00-4AB0 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}}