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IM-P693-01

EMM Issue 2

LCR2250 Level Controller

5.4 Meaning of codes on the 7-segment display

Valve open LED Amber

Valve closes LED Amber

MIN LED red

7-segment display

MAX LED red

Push buttons

Fig. 6

Code

Meaning

Indicated when up and down buttons are pressed:

AL.Hi

Alarm High

MAX switchpoint

adjustable between 0 and 100% measuring

range (see figure 7 opposite)

AL.Lo

Alarm Low

MIN switchpoint

Setpoint

Proportional band

adjustable between 10 and 100 %

Time integral

Integral action time, adjustable between 0 and 120 seconds

Motor travel time

Valve travel time, adjustable between 10 and 600 seconds

tESt

Test

Tests output relays

FiLt

Filter

Used to dampen the effects of turbulent water level.

Indicated in parameterization mode

quit

Confirm

Input is not confirmed

done

Done

Input is confirmed

Indicated if malfunctions occur

E.005

Error

Faulty level transmitter, measuring current too low

E.006

Error

Faulty level transmitter, measuring current too high

E.013

Error

MIN switchpoint higher than MAX switchpoint

Содержание LCR2250

Страница 1: ...tion and Maintenance Instructions IM P693 01 EMM Issue 2 850143 01 1 Safety information 2 General product information 3 Mechanical installation 4 Electrical installation 5 Commissioning 6 Fault findin...

Страница 2: ...equipment Do not commission or operate any item of equipment that does not have its own specific name plate Directives and standards VdT V Bulletin Wasserstand 100 Water Level 100 The LCR2250 level c...

Страница 3: ...ion PI controller If the actual value deviates from the setpoint the electric actuator is triggered by two output contacts and two flashing LEDs indicate whether the control valve is opening or closin...

Страница 4: ...ns approximate in mm 120 46 74 Item 1 Upper terminal strip 2 Lower terminal strip 3 Housing 4 Support rail TH 35 EN 60715 Fig 2 3 2 Installation in control cabinet The LCR2250 level controller is clip...

Страница 5: ...e 24 V 20 IN 4 20mA 12V LOOP LOOP Type designation Top Bottom Safety information Manufacturer Degree of protection External fuse for output contacts Ambient temperature Output contacts Supply voltage...

Страница 6: ...control valve actuation 2 MIN MAX output contact de energizing delay 3 seconds 3 Supply voltage connection 24 Vdc with semi delay fuse 0 5 A provided on site 4 Actual value output 4 20 mA 5 Central e...

Страница 7: ...ipment please use a screened multi core control cable with a minimum conductor size of 0 5 mm2 e g LiYCY 2 x 0 5 mm2 maximum length 100 m Wire the terminal strip as shown in the wiring diagram Fig 4 C...

Страница 8: ...he equipment please use a screened multi core control cable with a minimum conductor size of 0 5 mm2 e g LiYCY 2 x 0 5 mm2 maximum length 100 m Connect the screen as shown in the wiring diagram Fig 4...

Страница 9: ...20 of setpoint Integral action time ti 0 s Dead band 5 of setpoint Valve travel time tt 40 s Filter 2 s Fill control function MIN MAX output contact set as MAX alarm Code switch C S1 OFF S2 OFF S3 ON...

Страница 10: ...tch off the supply voltage Remove the lower terminal strip Fig 5 Insert a screwdriver between the terminal strip and the front frame to the right and left of the arrow markings Release the terminal st...

Страница 11: ...contact set for MAX alarm OFF Output contact set for MIN alarm ON Not used OFF Input for connection of level transmitter LP20 LP21 PA420 ON Fill control OFF Discharge control ON Not used OFF Not used...

Страница 12: ...t Pb Proportional band adjustable between 10 and 100 ti Time integral Integral action time adjustable between 0 and 120 seconds tt Motor travel time Valve travel time adjustable between 10 and 600 sec...

Страница 13: ...ng range 160 mm Proportional band Pb 20 of setpoint 16 32 mm If the measuring range is 100 200 mm and the setpoint is 80 160 mm the proportional range will be 16 32 mm or in the range of 128 to 192 mm...

Страница 14: ...shes from right to left 2nd 3rd or 4th digit can now be changed using the up and down buttons Pressing the up button increases the value pressing the down button reduces the value When your entries ar...

Страница 15: ...red percentage Proportional band setting between 10 100 Setting the integral action time Select parameter ti enter and save the desired percentage Integral action time settings between 0 120 s Setting...

Страница 16: ...ve opens valve output contact 16 19 closed or Valve CLOSED LED flashes amber Control valve closes valve output Contact 17 19 closed MAX alarm Switchpoint for MAX water level reached or exceeded MAX LE...

Страница 17: ...do not light up for 1 second MIN MAX output contact 21 23 open 22 23 closed MIN LED flashes red De energizing delay in progress MIN LED lights up red for 3 seconds MIN output contact 21 23 closed 22...

Страница 18: ...ck level transmitter and replace if necessary Check electrical connection E 006 Faulty level transmitter measuring current 20 mA Check level transmitter and replace if necessary Check electrical conne...

Страница 19: ...y equipment Suppress HF interference using hinged shell ferrite rings 6 3 Replacing taking the equipment out of service Switch off the power supply and cut off power to the equipment Remove the upper...

Страница 20: ...ion Housing Housing material base black polycarbonate front grey polycarbonate Conductor size 1 x 4 0 mm2 solid per wire or 1 x 2 5 mm2 per lead with sleeve to DIN 46228 or 2 x 1 5 mm2 per lead with s...

Страница 21: ...resentative Ensure all items are suitably packed for transit preferably in the original cartons Please provide the following information with any equipment being returned 1 Your name company name addr...

Страница 22: ...IM P693 01 EMM Issue 2 22 LCR2250 Level Controller...

Страница 23: ...IM P693 01 EMM Issue 2 23 LCR2250 Level Controller...

Страница 24: ...IM P693 01 EMM Issue 2 24 LCR2250 Level Controller Spirax Sarco Ltd Runnings Road Cheltenham GL51 9NQ United Kingdom www spiraxsarco com...

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