{"title":"Measurement electronics SIL1 | PL c","description":"\u003ch2\u003eMeasuring Electronics SIL1 | PL c — Protective function in the device\u003c\/h2\u003e\n\u003cp\u003eHere, the safety is integrated directly into the amplifier: a second amplifier, two comparators, and a semiconductor relay monitor the measuring bridge independently of the measuring channel. \u003cstrong\u003eA safety control is not required for this\u003c\/strong\u003e — the device switches on its own. This is the difference compared to the \u003ca href=\"\/en\/collections\/messelektronik-sil3-ple\"\u003eSIL3 | PL e\u003c\/a\u003e series, which requires a safety control.\u003c\/p\u003e\n\u003cp\u003eAnd unlike the pure safety components of the SIL3 series, these devices remain functional measuring amplifiers: 0.1% of the measuring range plus sensor error, 24-bit resolution, output optionally 4 … 20 mA or 0 … 10 V.\u003c\/p\u003e\n\u003ch3\u003eThe devices\u003c\/h3\u003e\n\u003cul\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eSMM-DR-SIL1\u003c\/strong\u003e — DR22.5 DIN rail housing for the control cabinet.\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eSMM-HD-SIL1\u003c\/strong\u003e — the same electronics in an IP65 field housing for mounting outside the control cabinet.\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eMEUTS-SIL\u003c\/strong\u003e — dual-channel transducer with built-in overload circuit, certified by TÜV Nord under number 44 799 14098202. The safety circuit has its own amplifier and is located parallel to the IO-Link transducer's measuring chain – the protective function is therefore not dependent on the measuring chain. The semiconductor relay opens when the switching point is exceeded, when the supply voltage of the measuring amplifier is too low or missing, in the event of a cable break in one or both signal lines, and when the supply to the safety circuit itself is too low or missing. The safe state is an open relay.\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003ch3\u003eWhat's included\u003c\/h3\u003e\n\u003cp\u003eThe matching sensors can be found under \u003ca href=\"\/en\/collections\/waegezellen-kraftaufnehmer\"\u003eload cells \u0026amp; force transducers\u003c\/a\u003e, the rest of the range under \u003ca href=\"\/en\/collections\/messelektronik\"\u003eMeasuring electronics\u003c\/a\u003e. The architecture, key figures for system certification, and typical applications are explained on the page \u003ca href=\"\/en\/pages\/funktionale-sicherheit-sil-pl\"\u003eFunctional Safety SIL | PL\u003c\/a\u003e.\u003c\/p\u003e","products":[{"product_id":"esmc-dms-bruecken-messverstaerker-sil1-ip65","title":"ESMC strain gauge bridge amplifier, SIL1, IP65","description":"\u003cp\u003e\u003cstrong\u003eStrain gauge bridge amplifier SMM-HD-SIL1\u003c\/strong\u003e with a \u003cstrong\u003ebuilt-in safety circuit\u003c\/strong\u003e for \u003cstrong\u003eSIL1\u003c\/strong\u003e and \u003cstrong\u003ePL c\u003c\/strong\u003e — in an IP65 field housing for mounting outside the control cabinet.\u003c\/p\u003e\n\u003cp\u003eThe difference to the SIL3 range: the safety function sits \u003cstrong\u003einside the device\u003c\/strong\u003e. A second amplifier, two comparators and a semiconductor relay watch the bridge independently of the measuring channel. \u003cstrong\u003eNo safety controller is required\u003c\/strong\u003e — the device switches by itself.\u003c\/p\u003e\n\u003cp\u003eThat makes the SMM-HD-SIL1 a usable measuring amplifier at the same time: \u003cstrong\u003e0.1 % of range\u003c\/strong\u003e plus sensor error, 24 bit resolution, output either 4 … 20 mA or 0 … 10 V.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eFeatures of the SMM-HD-SIL1\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003e✅Sensor input: \u003cstrong\u003e1 × strain gauge full bridge 350 Ω\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e✅Bridge sensitivity: up to \u003cstrong\u003e4 mV\/V\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e✅Bridge supply: 1.25 … 3 VDC\u003c\/p\u003e\n\u003cp\u003e✅Analog output: \u003cstrong\u003e4 … 20 mA or 0 … 10 V\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e✅Accuracy: \u003cstrong\u003e0.1 % of range\u003c\/strong\u003e plus sensor error\u003c\/p\u003e\n\u003cp\u003e✅Resolution: \u003cstrong\u003e24 bit\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e✅Switching output: 30 VAC\/VDC, 500 mA max.\u003c\/p\u003e\n\u003cp\u003e✅Response time: 50 ms\u003c\/p\u003e\n\u003cp\u003e✅Safety rating: \u003cstrong\u003eSIL1 · PL c — built in\u003c\/strong\u003e, no safety controller required\u003c\/p\u003e\n\u003cp\u003e✅Housing: U-CASE 2 field housing\u003c\/p\u003e\n\u003cp\u003e✅Protection: \u003cstrong\u003eIP65\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e✅Order key: Q X X X X - X X\u003c\/p\u003e","brand":"octogon Shop","offers":[{"title":"Default Title","offer_id":57265732190534,"sku":null,"price":452.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/5558\/6374\/files\/ESMC_SMM-HD-SIL1__product.png?v=1788560365"},{"product_id":"esme-dms-bruecken-messverstaerker-sil1-hutschiene","title":"ESME strain gauge bridge amplifier, SIL1, DIN rail","description":"\u003cp\u003e\u003cstrong\u003eStrain gauge bridge amplifier SMM-DR-SIL1\u003c\/strong\u003e with a \u003cstrong\u003ebuilt-in safety circuit\u003c\/strong\u003e for \u003cstrong\u003eSIL1\u003c\/strong\u003e and \u003cstrong\u003ePL c\u003c\/strong\u003e — in a DR22.5 DIN rail housing for the control cabinet.\u003c\/p\u003e\n\u003cp\u003eThe safety function sits \u003cstrong\u003einside the device\u003c\/strong\u003e: a second amplifier, two comparators and a semiconductor relay watch the bridge independently of the measuring channel. \u003cstrong\u003eNo safety controller is required\u003c\/strong\u003e — that is the difference to the SIL3 range, which does require one.\u003c\/p\u003e\n\u003cp\u003eA usable measuring amplifier at the same time: \u003cstrong\u003e0.1 % of range\u003c\/strong\u003e plus sensor error, 24 bit resolution, output either 4 … 20 mA or 0 … 10 V. The identical version in an IP65 field housing is the SMM-HD-SIL1.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eFeatures of the SMM-DR-SIL1\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003e✅Sensor input: \u003cstrong\u003e1 × strain gauge full bridge 350 Ω\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e✅Bridge sensitivity: up to \u003cstrong\u003e4 mV\/V\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e✅Bridge supply: 1.25 … 3 VDC\u003c\/p\u003e\n\u003cp\u003e✅Analog output: \u003cstrong\u003e4 … 20 mA or 0 … 10 V\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e✅Accuracy: \u003cstrong\u003e0.1 % of range\u003c\/strong\u003e plus sensor error\u003c\/p\u003e\n\u003cp\u003e✅Resolution: \u003cstrong\u003e24 bit\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e✅Switching output: 30 VAC\/VDC, 500 mA max.\u003c\/p\u003e\n\u003cp\u003e✅Response time: 50 ms\u003c\/p\u003e\n\u003cp\u003e✅Safety rating: \u003cstrong\u003eSIL1 · PL c — built in\u003c\/strong\u003e, no safety controller required\u003c\/p\u003e\n\u003cp\u003e✅Housing: DR22.5 for DIN rail\u003c\/p\u003e\n\u003cp\u003e✅Protection: IP20\u003c\/p\u003e\n\u003cp\u003e✅Order key: R A X X X - X X\u003c\/p\u003e","brand":"octogon Shop","offers":[{"title":"Default Title","offer_id":57265732485446,"sku":null,"price":430.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/5558\/6374\/files\/ESME_SMM-DR-SIL1__product.png?v=1788560461"},{"product_id":"eomf-zweikanaliger-messumformer-pl-c","title":"EOMF two-channel transmitter, PL c","description":"\u003cp\u003eThe \u003cstrong\u003eEOMF\u003c\/strong\u003e is a two-channel measuring transducer with a built-in overload circuit of level \u003cstrong\u003ePL c \/ SIL 1\u003c\/strong\u003e, type \u003cstrong\u003eMEUTS-SIL\u003c\/strong\u003e, certified by TÜV Nord under number 44 799 14098202.\u003c\/p\u003e\n\u003cp\u003eIts special feature is the safety circuit: it has its \u003cstrong\u003eown amplifier\u003c\/strong\u003e and runs \u003cstrong\u003eparallel\u003c\/strong\u003e to the measurement chain of the IO-Link transducer – meaning the safety function is not dependent on the measurement chain. A solid-state relay opens if the switching point is exceeded, if the measuring amplifier's supply voltage is too low or missing, if there is a cable break on one or both signal lines, and if the safety circuit's own supply is too low or missing. \u003cstrong\u003eThe safe state is the open relay.\u003c\/strong\u003e The input is high-impedance biased to detect a cable break; two comparators – one for the measuring signal against the switching point, one for the bridge supply – are AND-linked.\u003c\/p\u003e\n\u003cp\u003eTwo \u003cstrong\u003elimit values\u003c\/strong\u003e can be set via IO-Link: the turn-on point from -7 to +7 mV, the turn-off point from -5 to +21 mV, with a switching accuracy of ± 50 µV and a \u003cstrong\u003ereaction time of a maximum of 10 ms\u003c\/strong\u003e. The switching load is a maximum of 30 VAC\/VDC at 500 mA. It is based on EN ISO 13849-1:2015 and EN 61508:2010.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eChannel 1\u003c\/strong\u003e measures a full strain gauge bridge, dimensionless, from 350 Ω (two bridges from 2 × 700 Ω) with a bridge supply of 3 V. \u003cstrong\u003eChannel 2\u003c\/strong\u003e is universal, pre-set to °C, for \u003cstrong\u003ePt100\u003c\/strong\u003e in 3-wire circuit from -200 to 800 °C at 0.9 mA or a \u003cstrong\u003ethermocouple\u003c\/strong\u003e of type J (-210 … 1200 °C), type K (-200 … 1372 °C) or type N (-200 … 1300 °C). The range of both channels is freely adjustable in the range -3200.0 … +3200.0.\u003c\/p\u003e\n\u003cp\u003eThe output provides \u003cstrong\u003eIO-Link\u003c\/strong\u003e with level 0 \/ 24 V \u003cstrong\u003eand\u003c\/strong\u003e a current output \u003cstrong\u003e4 … 20 mA\u003c\/strong\u003e, which runs via input 1. The resolution is 16 bit on the strain gauge channel and 24 bit on the universal channel, with an accuracy of max. 0.05 % of the measuring range plus sensor error. Filter: 0.5 s for strain gauge, 25 s for temperature. Supply \u003cstrong\u003e24 VDC\u003c\/strong\u003e at under 30 mA in standard operation, maximum 130 mA total current.\u003c\/p\u003e\n\u003cp\u003eThe board measures \u003cstrong\u003e21 × 76.95 × 4.2 mm\u003c\/strong\u003e and weighs approximately 7.6 g, material FR4 and PBT, connection via solder pads 2.7 × 1.5 mm, mounting position optional, operating range \u003cstrong\u003e-20 °C to +80 °C\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eThree mounting requirements and the enabling of the limit values must be read before the housing is closed.\u003c\/strong\u003e The board must be installed in the sensor housing to at least \u003cstrong\u003eIP54\u003c\/strong\u003e and protected against vibrations; the safety circuit must be regularly checked for function, the manufacturer recommends \u003cstrong\u003etwo years\u003c\/strong\u003e, and the limit values must be checked before commissioning. To set the limit values via IO-Link, a \u003cstrong\u003ephototransistor\u003c\/strong\u003e (SFH 309 or similar) must be connected and illuminated; thereafter, the settings must be read back and the phototransistor darkened – in normal operation, it must be covered in such a way that unintentional illumination is excluded.\u003c\/p\u003e\n\u003cp\u003eAn \u003cstrong\u003eIO-Link master\u003c\/strong\u003e is required for configuration and operation, as well as the IODD file from the IODD finder. The board has been tested according to EN 61000-6-2:2005 and EN 61000-6-4:2007. A CE mark is not documented in the manufacturer's data sheet; a declaration of conformity must be requested before placing on the market in the EU. The version without safety function is the \u003cstrong\u003eEOME\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eRegarding price:\u003c\/strong\u003e The price applies to the basic version of the board. Measuring ranges and limit values are adjustable via IO-Link, so factory programming is not required. If you would like the board \u003cstrong\u003efactory-programmed to your measuring ranges and switching points\u003c\/strong\u003e, this is possible at an additional cost — \u003ca href=\"\/en\/pages\/contact\"\u003eplease ask us\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch3\u003eAdvantages at a glance\u003c\/h3\u003e\n\u003cul\u003e\n\n\u003cli\u003eOverload circuit PL c \/ SIL 1, TÜV Nord 44 799 14098202\u003c\/li\u003e\n\n\u003cli\u003eSafety circuit with its own amplifier, parallel to the measuring chain\u003c\/li\u003e\n\n\u003cli\u003eRelay also opens in case of cable break and undervoltage – safe state is open\u003c\/li\u003e\n\n\u003cli\u003eTwo limit values adjustable via IO-Link, reaction time max. 10 ms\u003c\/li\u003e\n\n\u003cli\u003eOutputs IO-Link and 4 … 20 mA\u003c\/li\u003e\n\n\u003cli\u003eChannel 1 full strain gauge bridge, Channel 2 Pt100 or thermocouple\u003c\/li\u003e\n\n\u003cli\u003eResolution 16 bit strain gauge, 24 bit universal, accuracy max. 0.05 %\u003c\/li\u003e\n\n\u003cli\u003e21 × 76.95 × 4.2 mm, approx. 7.6 g, operating range -20 … +80 °C\u003c\/li\u003e\n\n\n\u003c\/ul\u003e","brand":"octogon Shop","offers":[{"title":"Default Title","offer_id":57306259620166,"sku":null,"price":369.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/5558\/6374\/files\/EOMF_MEUTS-SIL_titelbild_b1ff3cac-f6c1-4f9f-be9f-e3eea90af3e2.webp?v=1788951931"}],"url":"https:\/\/octogon.org\/en\/collections\/measurement-electronics-sil1-plc.oembed","provider":"octogon GmbH","version":"1.0","type":"link"}