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NDB-15-50 IM 28 FEB 2018 

 © 2018 NOVATEC, Inc. All Rights Reserved 

            Page 7

 

6.0 MONITORING PLC CYCLE 

 

  Press ESC button on the Mini PLC  

  Press the 

 arrow to the Set Param line.  

  Press OK button. Main counter B1 should display with Cnt value at bottom of the screen 

  Cnt value represents current count in minutes for the total cycle. If counter B1 fails to display, 

press 

 or 

 arrows until B1 displays with Cnt value.  

  To fast cycle advance counter B1 connect the 115V hot wire to PLC input I2.  

  Check    schematic diagram for wires numbers to jump for fast cycle advance. Each 

    1 minute count becomes 1 second in the fast advance mode.  

  On initial start fast advance B1 counter to 0 or 1 counter value. Reference the chart below for 

sequence of operation. 

 
 

6.1 8- Hour Sequence of Operation 

 

Time 

Counter, B1 

8 Hour Cycle 

0 Hour, 0 Minute 

Bed shift, left bed drying, overtemp alarm inactive. 

0 Hour, 1 Minute 

Right bed regen heater on. 

0 Hour, 20 Minute 

20 

Overtemp alarm active. 

1 Hour, 37 Minute 

97 

Right bed regen cooling, regen heater off. 

4 Hour, 0 Minute 

240 

Bed shift, right bed drying, overtemp alarm inactive 

4 Hour, 1 Minute 

241 

Left bed regen heater on. 

4 Hour, 20 Minute 

260 

Overtemp alarm active. 

5 Hour, 37 Minute 

337 

Left bed regen cooling, regen heater off. 

8 Hour, 0 Minute 

480 

Bed shift, left bed drying. 

 
 
 
 

     

6.2 PLC Counter Settings 

 

           Counter 

     ON Value 

OFF Value 

        Description 

           B1 

           480 

      Cycle reset 

           B3 

           0 

240 

       Bed shift 

           B4 

           241 

337 

          Left bed regen heater 

           B5 

           1 

97 

         Right bed regen heater 

           B7 

           240 

260 

           Right bed drying alarm delay 

           B8 

           0 

20 

           Left bed drying alarm delay 

 

 

 

 
 
 
 
 
 
 

Содержание NOVATEC NDB Series

Страница 1: ...Page 1 of 2 NDB 15 through NDB 50 DOCUMENT NDB 15 50 IM 28 FEB 2018 NOVATEC Inc 2018 All Rights Reserved NDB 25...

Страница 2: ...espond to any of your requests Instruction Manual NDB 15 50 IM 28 FEB 2018 Model ___________________________ Serial ____________________________ DISCLAIMER NOVATEC Inc shall not be liable for errors c...

Страница 3: ...OCEDURE 6 5 0 OPERATING PROCEDURE 6 6 0 MONITORING PLC CYCLE 7 6 1 8 Hour Sequence of Operation 7 6 2 PLC Counter Settings 7 7 0 TEMPERATURE CONTROLLER 8 7 1 Overview 8 7 2 Initial Settings 8 7 3 Para...

Страница 4: ...Amperage 8 7 3 5 10 0 Regen Heater Amperage Left Bed 4 3 1 1 2 2 Regen Heater Amperage Right Bed 4 3 1 1 2 2 Process Heater Wattage 1000 1600 4600 Adsorption CFM 15 25 50 Desiccant per bed Pounds 7 1...

Страница 5: ...e drying hopper by the blower assembly and it is directed through the valve assembly and into one of the desiccant beds Moisture is adsorbed by the desiccant and the dry low dew point air is blown acr...

Страница 6: ...it or inactivity to be discharged Failure to dry cycle the unit may cause drying problems with the material It is necessary to have material in the hopper in order for the regeneration cycle to functi...

Страница 7: ...1 counter value Reference the chart below for sequence of operation 6 1 8 Hour Sequence of Operation Time Counter B1 8 Hour Cycle 0 Hour 0 Minute 0 Bed shift left bed drying overtemp alarm inactive 0...

Страница 8: ...MODE displays Change MODE setting to 0128 this allows access to engineering parameters above F09 Press SET until F00 displays press UP DOWN arrow keys until Function Block to be accessed appears Press...

Страница 9: ...7 3 Parameter Settings To access the parameter setting mode Press the SET key for more than five seconds AL1 will display Scroll through the parameters with the SET key Exit parameter set mode the sam...

Страница 10: ...leaks desiccant contamination and malfunctioning regeneration heaters It is seldom that other components fail PROBLEM INVESTIGATE Machine won t start A B C Inadequate or no E F G H I Regeneration hea...

Страница 11: ...LC E Check that PLC is in but no outputs Start mode Input I1 is on F Heater Amperage F Voltage correct F Replace heater Reading 1 Voltage incorrect 1 Correct voltage supply G Valve solenoid G No volta...

Страница 12: ...air filters Clean or replace as required Replace if cartridge is broken The time interval for inspection should be shortened if experience indicates unusual dust loading B Check system for air leaks...

Страница 13: ...5 1 Solenoid 00767 1 Logo PLC 09029 1 Solid State Relay 50A 09007 1 Filter Element 00813 1 Additional Recommended Spares ITEM DRYER PART NUMBER QTY Desiccant NDB 15 T 00246 7 lb Desiccant NDB 25 T 002...

Страница 14: ...ction with our equipment Warranty Periods Note All warranty periods commence with the shipment of the equipment to the customer Please note that we always strive to satisfy our customers in whatever m...

Страница 15: ...um seal edge is damaged from mishandling We do not warranty canisters damaged from improper handling We do however warranty the seals 3 LOAD CELLS on our WSB s are covered by Novatec standard warranty...

Страница 16: ......

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