Summary of Contents for senseca STL50 Series
- Page 1 OPERATING MANUAL STL50 Safety temperature limiter Approvals: EN14597 EN 61508, SIL2 EN ISO 13849-1, PL d umn_fam_stl50_vs2.54_en...
- Page 2 STL50 - Safety temperature limiter Table of content Table of content Intended use (areas of application) .................. 4 Safety signs and symbols ....................4 Safety instructions ........................ 5 Product liability and warranty .................... 5 Approvals ..........................6 Product description ......................7 Scope of delivery ........................
- Page 3 STL50 - Safety temperature limiter Table of content Device transport and storage ..................28 Return to manufacturer ....................28 Disposal ..........................28 Notes ............................ 29 EU-Declaration of conformity..................30 Page 3 of 32...
- Page 4 STL50 - Safety temperature limiter Intended use (areas of application) Intended use (areas of application) Note Refer to the chapter 'Product description' for detailed specifications for the area of application. The operational safety of the device is only assured when used as intended in accordance with the specifications in the operating manual.
- Page 5 'Standard Terms for the Supply of Products and Services of the Electrical Industry'. Attention! Senseca cannot inspect or repair any devices without the required form having been filled in completely (see chapter 6 Return to manufacturer). Page 5 of 32...
- Page 6 STL50 - Safety temperature limiter Intended use (areas of application) Approvals EN 14597 Temperature control devices and temperature limiters for heat generating systems EN 61508, SIL2 Functional safety of electrical/electronic/programmable electronic safety-related systems EN ISO 13849-1 Safety of machinery — Safety-related parts of control systems — Part 1: General principles for design Page 6 of 32...
- Page 7 STL50 - Safety temperature limiter Product description Product description The STL50 safety temperature limiter is used wherever thermal processes must be monitored and the system must be switched to a safe operating state in case of a fault. If the permissible temperature limit value is reached or an error occurs in the monitoring device (probe break, probe short-circuit, failure of a component in the de-vice, error in the software, failure or impermissible value of the supply voltage, etc.) within the permissible temperature range, the STL50 switches off immediately.
- Page 8 STL50 - Safety temperature limiter Product description Brief information Programming The device is programmed with the buttons on the front side in combination with the graphic display. Operating modes The device can be used as: STB→ Maximum or minimum monitoring with catch Manual reset after fault elimination by pressing the button on the front side or an externally connected button ASTB→...
- Page 9 STL50 - Safety temperature limiter Product description Connection diagrams STL50-1-1R-X-00 STL50-5-1R-X-00 STL50-1-2RAO-X-00 STL50-5-2RAO-X-00 Page 9 of 32...
- Page 10 STL50 - Safety temperature limiter Product description Electrical installation Danger! The device may only be installed by an electrician. Compliance with the national and international regulations for installation of electrical and electronic systems applicable in the respective country of use is mandatory. Note Pt100 input: The resistance of 4 Ω...
- Page 11 STL50 - Safety temperature limiter Controls and functional description Controls and functional description Operating and display elements Input Operating mode Actual value Adjusted limit value Power-ON LED Parameter button Up/down adjusting keys Main relay LED ...
- Page 12 STL50 - Safety temperature limiter Controls and functional description the operating level after this message or if no password is entered. After an incorrect password has been entered three times, the device enters a safety timeout for 60 minutes. The progress of this safety timeout is shown in the display. The safety area is accessible with entry of the correct password.
- Page 13 STL50 - Safety temperature limiter Controls and functional description Operating level Note Only the resetting of the peak value buffer is possible on the working level. Page 13 of 32...
- Page 14 STL50 - Safety temperature limiter Controls and functional description Configuration level Page 14 of 32...
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- Page 19 STL50 - Safety temperature limiter Controls and functional description Error messages Page 19 of 32...
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- Page 21 STL50 - Safety temperature limiter Controls and functional description Functional safety The STL50 safety temperature limiter was developed according to the specifications of the IEC 61508. This standard describes the functional safety of safety-related programmable electrical and electronic systems. The devices is a Class B subsystem with the SIL2 requirement (single-channel). The safety function of the device relates to the detection and evaluation of the temperature and the resulting mandatory contact position of the installed relay.
- Page 22 STL50 - Safety temperature limiter Controls and functional description STL50 safety indicators for functional safety Input Pt100 Thermocouple (rate of detected harmless 1740 FIT 1740 FIT λSD failures) (rate of undetected harmless 601 FIT 542 FIT λSU failures) (rate of detected dangerous 741 FIT 742 FIT λDD...
- Page 23 STL50 - Safety temperature limiter Controls and functional description the error is shown correctly in plain text on the display, • the LED alarm on the front of the STL50 illuminates, • a voltage of 24 V DC is connected to the appropriate terminals for an external alarm. •...
- Page 24 STL50 - Safety temperature limiter Controls and functional description Approved temperature probes Pt100 Safety temperature probe TR293; TR296 Thermocouple Safety temperature probe TC293; TC296 Page 24 of 32...
- Page 25 STL50 - Safety temperature limiter Technical data Technical data Auxiliary energy Supply voltage 230 V AC ±10 %, 115 V AC ±10 %, 24 V AC ±15 % or 24 V DC ±15 % Power consumption < 4 VA Rated voltage 250 V AC, between input / relay output / supply voltage Degree of contamination 2, overvoltage category III Test voltage...
- Page 26 STL50 - Safety temperature limiter Technical data Type S Pt10Rh-Pt range 0 ... 1600 °C Integrated comparison point compensation Basic accuracy ±0.5 %, ±2 digits Temperature coefficient 0.01 %/K Display Graphic LCD with 128 x 64 pixels with white backlighting Ouputs Main relay (safety-related) Changeover contact <250 V AC <200 VA <2 A cosʋ...
- Page 27 STL50 - Safety temperature limiter Technical data Ordering code STL50 Pt100, 3- wire connection -100,0 ... 600,0 °C/-100 ... 600 °C Thermocouples (Fe-CuNi) -100,0 ... 800,0 °C/-100 ... 800 °C (NiCr-Ni) -150 ... 1200 °C (NiCrSi-NiSi) -150 ... 1200 °C (Pt10Rh-Pt) 0 ...
- Page 28 On the Senseca homepage under a return shipment form can be downloaded. The repair can be performed quickly and without call-back questions if:...
- Page 29 STL50 - Safety temperature limiter Notes Notes Parameters Factory setting User setting Language deutsch Display unit °C Contrast display 65 % Password 0010 Input Decimal place Sensor correction 0.0 °C Operating mode STBmax Limit value Alarm output 20 °C Hysteresis Alarm output 2 °C Max.
- Page 30 STL50 - Safety temperature limiter EU-Declaration of conformity EU-Declaration of conformity Page 30 of 32...
- Page 31 STL50 - Safety temperature limiter EU-Declaration of conformity Page 31 of 32...
- Page 32 Senseca Germany GmbH Tenter Weg 2–8 42897 Remscheid GERMANY INFO@SENSECA.COM WEEE REG. NO. DE 93889386...
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