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Operating manual

Safety temperature
limiter

STL50

Approved in accordance with:

DIN EN 14597 (replacing DIN 3440)
SIL 2

Save for later reference.

English

Company / brands of GHM

www.ghm-messtechnik.de

Содержание Martens STL50

Страница 1: ...Operating manual Safety temperature limiter STL50 Approved in accordance with DIN EN 14597 replacing DIN 3440 SIL 2 Save for later reference English Company brands of GHM www ghm messtechnik de...

Страница 2: ...Scope of delivery 5 2 2 Features 5 2 3 Brief information 6 2 4 Dimensions 6 2 5 Connection diagrams 7 2 6 Electrical installation 8 3 Controls and functional description 9 3 1 Operating and display el...

Страница 3: ...instructions use This operating manual must be kept in a location such that qualified personnel can refer to it at all times Any processes described in this operating manual may only be carried out by...

Страница 4: ...However deviations cannot be entirely ruled out Therefore we cannot assume any guarantee for complete conformity The specifications in this document are checked regularly and any necessary correction...

Страница 5: ...ing of the display illuminate and the cause of error is shown on the display in plain text A 24 V DC signal for an external alarm is also connected to terminals 17 18 2 1 Scope of delivery Safety temp...

Страница 6: ...utton on the front side or an externally connected button ASTB like before but with exhaust temperature monitoring STW Maximum or minimum monitoring without catch Automatic reset after return to the p...

Страница 7: ...7 2 5 Connection diagrams STL50 1 1R X 00 STL50 5 1R X 00 STL50 1 2RAO X 00 STL50 5 2RAO X 00...

Страница 8: ...installation of electrical and elec tronic systems applicable in the respective country of use is mandatory Pt100 input The resistance of 4 per line must not be exceeded The corresponding line length...

Страница 9: ...operated on 2 levels The desired parameter is opened with the button Selection within a parameter or adjustment of a value takes place with the and buttons Button combinations press buttons simultane...

Страница 10: ...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 saf...

Страница 11: ...k value display max 28 3 C Reset with Peak value display Reset with max 28 4 C TC2 TC1 min 28 4 C max 28 4 C max 28 4 C No error Error log memory Reset with Error log memory display Deletion of error...

Страница 12: ...ameter only appears with appropriate device version 3 4 Configuration level Display Description entered values are factory settings 19 2 C Pt100 Limit value 20 0 C STB max Language english deutsch Dis...

Страница 13: ...out for 60 minutes With the setting 0000 and active password protection a jump to the working level takes place Change the password Change the value within the range 0000 9999 Attention Write down the...

Страница 14: ...ax Safety max STW min temperature monitor min Description max Relay is deactivated when the adjusted limit value is exceeded min Relay is deactivated when the adjusted limit value is undercut Limit va...

Страница 15: ...ding measuring range Function of the analog output OFF Analog output is switched off 0 20 Analog output 0 20mA and or 0 10V 4 20 Analog output 4 20mA and or 2 10V 0 20 22 Analog output 0 20mA and or 0...

Страница 16: ...onfiguration level 19 2 C Pt100 Limit value 20 0 C STB max Background lighting of the display AUTO Lighting only goes out after only 2 min if a button is not pressed In case of an error and if the rel...

Страница 17: ...nnot be changed because the parameter lock is activated for the configuration level An incorrect password was entered for the security area The dis play returns to password entry after 3 seconds After...

Страница 18: ...ect at the terminals of the Pt100 Check connection lines and Pt100 probes The measurement exceeds the maximum temperature for Pt100 probes The measurement undercuts the minimum temperature for Pt100 p...

Страница 19: ...to use simple thermocouples and connect the inputs in parallel with jumpers If separate probe fittings are used they must be installed next to each other so that they both detect the same temperature...

Страница 20: ...ge of 24 V DC is connected to the appropriate terminals for an external alarm After the simulator changes the temperature back to the good range the STL50 functions correctly if the relay is reactivat...

Страница 21: ...ature probe TR293 TR296 Thermocouple Safety temperature probe TC293 TC293 T R C 293 NL M20x1 5 Nominal length Clamping gland moveable AF27 85 G 1 2B 9mm 3mm 40 11 EL M20x1 5 Extension tube Installatio...

Страница 22: ...lectronic safety related systems Input Pt100 in the range 100 0 600 0 C or 100 600 C 3 wire connection maximum resistance 4 per wire Probe current 1 mA no independent heating Thermocouple Type J Fe Cu...

Страница 23: ...00 C 5 Thermocouples J Fe CuNi 100 0 800 0 C 100 800 C K NiCr Ni 150 1200 C N NiCrSi NiSi 150 1200 C S Pt10Rh Pt 0 1600 C 2 1R 1 Alarm output relay 2RAO 2 relay outputs analog output 3 0 230 V AC 10 5...

Страница 24: ...ice has been cleaned and packaging which prevents damage to the device is used and 3 a safety data sheet for the measuring medium is affixed to the outside of the package if the device has come into c...

Страница 25: ...25 9 Declaration of Conformity...

Страница 26: ...d 0010 Input Decimal place One Sensor correction 0 0 C Operating mode STBmax Limit value Alarm output 20 C Hysteresis Alarm output 2 C Max Temperature difference of the thermocouples 40 C Pre alarm fu...

Страница 27: ...27...

Страница 28: ...GHM Group Martens GHM Messtechnik GmbH Kiebitzh rn 18 22885 Barsb ttel Germany Phone 49 40 670 73 0 info ghm group de www ghm group de 28 V2 51 15 03 2018...

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