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Instructions Manual

R-MI-LTDR Rev.: 0 English version

Guided radar

level transmitters

Series LTDR

instrumentation

for fluids

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Summary of Contents for LTDR series

Page 1: ...Instructions Manual R MI LTDR Rev 0 English version Guided radar level transmitters Series LTDR instrumentation for fluids ...

Page 2: ...range value 20mA SPAN 100 8 6 CONFIGURATION COAXIAL PROBE 9 6 1 Lower range value 4mA SPAN 0 9 6 2 Upper range value 20mA SPAN 100 10 7 PROBE LENGTH AND MEASURING RANGE 10 8 DISTURBANCE SIGNAL SCAN 11 9 ELECTRICAL SPECIFICATIONS 12 10 APPLICATION SPECIFICATIONS 12 11 MEASUREMENT SPECIFICATIONS 13 12 MECHANICAL SPECIFICATIONS 13 13 DIMENSIONS 14 14 ADDITIONAL INSTRUCTIONS FOR ATEX VERSION 15 14 1 E...

Page 3: ...s probe this can cause excessive stress on the probe connection LTDR should be handled by the hexagon or the lower section of the housing Do not screw in LTDR by its housing it should be tightened only via its hexagon wrench size 32 mm for connection thread G3 4A Tighten the coaxial probe only at its lower hexagon the upper hexagon of the coaxial probe is not needed for mounting The customer has t...

Page 4: ...sive for measurement signal disturbances which can be easily overcome by observing a few mounting considerations see figure 1 and making simple configuration adjustments to the sensor in most cases it is enough to activate and utilize the powerful disturbance signal suppression features of LTDR However those work most efficiently on stationary interference targets like tall and narrow nozzles or c...

Page 5: ...nto the housing Pull it far enough to have a convenient length for stripping and handling the cable Install cable with a drip loop outside the housing where the bottom of the loop must be lower than the cable entry of the housing Dismantle the cable carefully and strip the wires as indicated on the top right drawing of thre figure 3 The stripped wire ends are connected to the sensor electronic via...

Page 6: ... power supply for the sensor The sensor LED should start blinking green within 6 seconds after connecting the power during this start up time the LED is off The blinking green LED indicates that the sensor is in measuring mode and working correctly Do not tighten the housing cover yet Some basic configuration is still to be done LTDR s electronic is galvanically completely insulated from its input...

Page 7: ...ue 20mA span 100 0 1 0 0 response time 0 5s default 0 1 0 1 response time 2s 0 1 1 0 response time 5s FUNCTION GROUP 2 SWITCHING OUTPUT 0 0 1 0 0 1 0 1 lower threshold 0 0 1 1 upper threshold 0 1 0 0 NC 0 1 1 0 NO FUNCTION GROUP 3 DISTURBANCE SIGNAL SUPPRESSION 0 0 0 1 0 1 1 perform disturbance signal scan 0 0 1 0 disturbance signal scan utilize default 0 0 1 1 disturbance signal scan do not utili...

Page 8: ... from position 8 and move towards position 1 x Press the push button x LED will remain green briefly while the lower range value setting is being executed x Once it has been executed successfully the LED will return to blinking alternately green and red 5 3 Upper range value 20mA SPAN 100 x Raise the liquid inside the tank up to the level where you want to position the upper range value 20mA span ...

Page 9: ... to be set 6 1 Lower range value 4mA SPAN 0 x Set the DIP switch positions to the 0 1 sequence in figure 8 Start from position 8 and move towards position 1 x It is recommended that the upper range value stays within the measuring range M see figure 10 x Change DIP switch position 3 to on 1 x Fill the liquid into the tank up to the level where you want to position the lower range value 4mA span 0 ...

Page 10: ...this is the area in which LTDR will have the specified measurement performance It is recommended that the maximum and minimum liquid levels to be measured in the tank are actually within the measuring range M of the sensor The span x LED will remain green briefly while the lower range value setting is being executed x Once it has been executed successfully the LED will return to blinking alternate...

Page 11: ... signals caused by the liquid to be measured The disturbance signal scan is intended for the single rod probe and the rope probe since its signal has a wider detection radius around the rod making it more responsive for measurement signal disturbances The disturbance signal scan works most efficiently on stationary interference targets like tall and narrow nozzles or close by objects Thus LTDR has...

Page 12: ...urrent 200mA Signal voltage HIGH supply voltage 2 V Signal voltage LOW 0 V 1 V Response time 200 ms Supply voltage 12 30 VDC reverse polarity protected Current consumption 70 mA at 24 VDC no burden Start up time 6 s Cable terminals screwless cage clamp terminal block for stranded and solid wires 0 5 2 mm the usage of cable end sleeves with insulation collar is not recommended 10 APPLICATION SPECIF...

Page 13: ...ble within the measuring range M hysteresis can be set by defining separate upper and lower thresholds if those are set at the same position the minimum hysteresis of 3 mm applies 12 MECHANICAL SPECIFICATIONS Material exposed to tank atmosphere single rod probe and rope probe 1 4404 316L and PEEK coaxial probe 1 4404 316L PEEK and o ring seal EPDM or FKM Viton other o ring materials on request gas...

Page 14: ...004 108 CE Directive Conforms with the 97 23 CE Directive This equipment is considered as being a pressure accessory and NOT a safety accessory as defined in the 97 23 CE directive Article 1 paragraph 2 1 3 13 DIMENSIONS Rope probe Coaxial probe Single rod probe ...

Page 15: ... following 0158 SEV 09 ATEX 0171 X and the different markings II 1 2G Ex ia d IIC T6 II 1 2G Ex ia d IIC T6 Ga Gb II 1 2D Ex iaD tD A20 21 IP68 T86 C II 1 2D Ex ia t IIIC T86 C Da Db II 2G Ex ia d IIC T6 II 2G Ex ia d IIC T6 Gb II 2D Ex iaD tD A21 IP68 T86 C II 2D Ex ia t IIIC T86 C Db 14 1 Electrical data Power supply terminals 1 and 2 U 12 30V DC Um 250 VAC Analog output terminals 3 and 4 I 4 20...

Page 16: ...er the replacement or repair of the defective parts which have not damaged due to misuse being excluded all responsibility due to any other damage or the effects of wear caused by the normal use of the devices Any consignment of devices for repair must observe a procedure which can be consulted in the website www tecfluid fr After Sales section All materials sent to our factory must be correctly p...

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