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English

Operating instructions

Shaft Encoder
OTT SE 200

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Summary of Contents for SE 200

Page 1: ...English Operating instructions Shaft Encoder OTT SE 200 ...

Page 2: ...We reserve the right to make technical changes and improvements without notice ...

Page 3: ...gger using 4 20 mA 8 5 3 Connecting the SE 200 to the LogoSens 2 using an SDI 12 interface 9 5 4 Connecting the SE 200 to the LogoSens 2 using 4 20 mA 10 5 5 Setting the rotational direction for depth or level measurement 11 6 SDI 12 Commands and Answers 12 6 1 Standard Commands 12 6 2 Extended SDI 12 Commands 12 7 Determining the maximum load resistance 14 4 20 mA interface 8 Maintenance 15 9 Not...

Page 4: ...ace rotational direction to the left or to the right measuring range for designs with 4 20 mA interface 1 m 10 m or 30 m 3 ft 30 ft or 90 ft float pulley for float cable or bead chain length of connecting cable 10 m 15 m or 30 m 䊳 Accessories Float 27 001 071 3 5 80 mm Ø Counterweight 27 050 013 4 2 0 100 kg Float cable 1 mm Ø Nirosta Crimp sleeves Length 10 m 27 150 040 9 2 30 m 27 150 041 9 2 50...

Page 5: ...gic controller PLC or to displays for example Included in the scope of delivery is a set of installation accessories that enables one to install the unit as a stand alone device or in combination with any OTT level recorder or that of a competitor It is possible to install this unit in 4 to 6 observation wells as well using an observation well installation set accessory A special design of the SE ...

Page 6: ...nd alone device Float float cable counterweight 䊳 for attachment device 䊳 for observation well installation Observation well installation set float float cable counterweight Note 䊳 SE 200 with float pulley for bead chain Please refer to Installation drawing for Thalimedes with bead chain 55 430 025 4 7 which accompanies the bead chain Connecting angle A friction disc Connecting angle B Carrier rai...

Page 7: ... length of the float cable cut float cable to length 䡵 Form loops at either end of the float cable slip the sleeves over the loops and pinch with a flat nose pliers suspend float and counterweight inside the loops 䡵 Place the float cable over the float pulley allow the float unit to stabilise Tip Use a safety device such as a hook or a screw to prevent possible loss of the float and counterweight ...

Page 8: ...pulley until the SE 200 outputs the desired value 5 1 Connecting the SE 200 to any datalogger using the SDI 12 interface 䡵 Connect the SE 200 to an SDI 12 input of the external datalogger Follow the datalogger handbook as you do this The wire assignments for the SE 200 connecting cable can be seen in Figure 4 above 5 2 Connecting the SE 200 to any datalogger using 4 20 mA 䡵 Connect the SE 200 to a...

Page 9: ...e terminal block 䊳 Value no 1 the SE 200 only determines one parameter the water level 䊳 Measurement mode M 䊳 Value no Virtual Terminal ID Not necessary in connection with the SE 200 䡵 In accordance with the conditions of delivery of the SE 200 adjust to the required units and number of digits after the decimal point in the Channel function block m 3 cm 0 ft 3 Fig 6 Adjusting the LogoSens 2 SDI 12...

Page 10: ...g ranges are exceeded 䊳 Auxiliary sensor supply via relay Not necessary in connection contact at terminal block 䡵 Insert a 2 point scale function block and make the appropriate settings e g for an SE 200 with a 10 m measuring range and level measurement Point 1 4 0 Point 2 20 10 䡵 In the Channel function block adjust to the required units and number of digits after the decimal point Fig 8 Adjustin...

Page 11: ...s upward downward This depends on the end of the float cable at which the float hangs and the end at which the counterweight hangs 䡵 Select the value 0 or 1 for the Change Rotational Direction command so that the following conditions are met Water level Measured value Depth rises decreasing Measurement falls increasing Level rises increasing Measurement falls decreasing Adjusting the rotational di...

Page 12: ... the SE 200 through the transparent mode of a datalogger Command Answer Description Adjust read units aOU value aOU value cr Adjust units aOU aOU value cr Read out unit a Sensor address value Unit 0 m 1 cm 2 ft Set measured value to 0 aOZ aOZOK cr Set measured value to 0 at the current float pulley position a Sensor address Adjust read rotational direction aOR value aR value cr Adjust rotational d...

Page 13: ...lue cr Adjust upper limit aOPB aOPB value cr Read out upper limit a Sensor address value pb a p Sign b Digits prior to the decimal point b Digits after the decimal point Number of spaces 6 5 digits decimal point Note the following settings for the units m pbb aaa Input in m 30 000 30 000 cm pbb aaa Input in m 30 000 30 000 ft pbb aaa Input in feet 98 424 98 424 Note When switching between m and ft...

Page 14: ...age from the following diagram Example Supply voltage 18 Volts max load resistance 450 Ohm The SE 200 delivers an output current corresponding to the measured value for a load resistance of up to 450 Ohms 䡵 Dimension the connected electrical circuit accordingly Check the input resistance of the connected peripheral device for this purpose 10 15 20 25 30 U V 100 0 200 300 400 500 600 700 800 R Ω 90...

Page 15: ...device defects or to exchange the battery contact the repair center of OTT OTT MESSTECHNIK GmbH Co KG Repair Center Ludwigstrasse 16 87437 Kempten Germany Tel 49 0 831 5617 433 Fax 49 0 831 5617 439 repair ott hydrometry de 1 If the unit is to be stored without operating voltage being applied its lifespan is at least 5 years 9 Note about the disposal of old devices In accordance with the European ...

Page 16: ...nsing Float pulley circumference 200 0 mm Standard float cable 1 mm Ø other diameters are scalable e g 0 6 mm float cable Ø adjust float pulley circum ference to 198 7 mm Connecting cable Length 10 m 15 m or 30 m Wire assignment green SDI 12 GND brown VCC typ 12 V DC or V 4 20 mA white GND or V 4 20 mA yellow SDI 12 data EMC limits Resistance to complies with EN 61000 4 2 degree of electrostatic d...

Page 17: ...in into carrier base 䡵 Depending on the design of the level recorder fasten the SE 200 using either connecting angle A with a friction disc fitted underneath or screw it onto connecting angle B M 6 x 25 washers attach connecting angle B to a flat base using double sided adhesive strips use screws if necessary 䡵 Place float cable over both float pulleys or couple the float pulleys via the carrier p...

Page 18: ...tachment example to OTT strip chart recorder R20 Additional float cable guide via SE 200 float pulley Use the short guide lever for a standard R 20 and the long guide lever for an R 20 with bracket dashed lines Tighten the guide roller screw only slightly Required parts Connecting angle A friction disc Guide roller 18 ...

Page 19: ...anufacturer Additional float cable guide via SE 200 float pulley Tighten the guide roller screw only slightly Required parts Connecting angle A friction disc Guide roller Fig 12 Attachment example to an OTT vertical level recorder R16 Additional float cable guide via SE 200 float pulley Float pulley circumference adjust to 198 7 mm 0 6 mm float cable Tighten the guide roller screw only slightly Re...

Page 20: ...ple to the vertical drum recorder of a different manufacturer Coupling the SE 200 using the carrier unit consisting of a carrier rail carrier base and carrier pin Attach the carrier base to the float pulley so that it can rotate without blockage Required parts Connecting angle B Carrier rail Carrier base Carrier pin Adhesive strips 20 ...

Page 21: ...alogger Fig 15 Attachment example to the horizontal drum recorder of a different manufacturer Coupling the SE 200 using the carrier consisting of a carrier rail carrier base and carrier pin Required parts Connecting angle B Carrier rail Carrier base Carrier pin Adhesive strips 21 ...

Page 22: ... install 䡵 Select the right fastening ring to fit the existing observation well 䡵 Assemble the observation well installation set and the SE 200 as shown in Figure 10 install the fastening ring only as shown Hex head cap screws are provided for the guide rollers tighten these screws only slightly self locking 䡵 Fix the transducer cable to the holding bracket using a cable tie Then turn to Chapter 5...

Page 23: ...ll installation set and counterweight into the observation well the fastening ring will come to rest on the bottom of the top cap when this is done for OTT top caps rotate the fastening ring until there is a recess at the suspension bracket of the top cap 䡵 Close the top cap Float cable Observation well to datalogger Fig 17 Installation set fitted with SE 200 in a well pipe Top cap not shown for p...

Page 24: ...Appendix C Dimensions of connecting angle B Connecting angle B plastic Connecting angle B metal 70 5 30 5 10 10 3 4 x Ø 6 4 4 x Ø 6 5 all dimensions in mm 20 20 37 80 3 37 2 83 70 6 5 30 5 24 ...

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Page 28: ...OTT MESSTECHNIK GmbH Co KG Ludwigstrasse 16 87437 Kempten Germany Tel 49 0 831 5617 0 Fax 49 0 831 5617 209 info ott hydrometry de www ott hydrometry de Document number 63 060 001 B E 02 1106 ...

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