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Instrumentation

 


ThinkTop® BASIC 10-30 VDC PNP/NPN


IMPLEMENTATION
Alfa Laval ThinkTop® Basic has been designed to ensure optimum valve control when used with butterfly, single seat and Mixproof valves and is compatible with all major PLC systems (Programmable Logic Control Systems with PNP/NPN Interface).  It is used for food, dairy, beverage and pharmaceutical applications.

OPERATION PRINCIPLE
ThinkTop® Basic is a control head with indication units and a solenoid valve that is used to control pneumatic process valve. It is used to control and manage valves and installed on the valve. It receives signals to control the valve from the PLC system and sends feedback signal to the PLC system to indicate the status of the valve. The user makes a simple installation using the keyboard on the device to adapt the sensor card to a specific valve.





TECHNICAL DATA

Communication
Communication interface ............................ Digital
Power Supply Voltage ............................ 10-30 VDC

Sensor card
Sensor card power supply ................. 24 VDC, 1W
Feedback signal #1 ............................ Deactivated Valve
Feedback signal #2 ............................ Activated Valve
Default tolerance band ....................... +- 5 mm
Sensor precision.................................. +- 0.1 mm
Shaft Size ........................................... 0.1-80 mm

Solenoid valve
Solenoid valve power supply ............... 24 VDC +- 10%, 1W
Air supply.............................................. 300-900 kPa (3-9) bar
Solenoid  types..................................... 3/2 way or 5/2 way
Number of Solenoids ........................... 0-3
Air connector........................................ Ø 6 mm or 1/4”




PHYSICAL DATA

Material
Plastic parts ................................Reinforced Black Nylon  PA 6
Metal Part ...................................1.4301 (304) and 1.4404 (316L)
Gaskets ...................................... NBR

Environment
Operating Temperature............... -20°C - +85°C
Protection Class ........................ IP66 and IP67

Cable Connection
Main Cable Union ...................... PG11 (4-10 mm)
External sensor cable union ...... PG7 (3-6.5  mm)  
Max. Cable diameter................... 0.75 mm2  (AWG 20)










  Test conditions = It depends on a ThinkTop®  Basic 1 active (open) feedback
  An open solenoid valve is not available
  Supply voltage 24 VDC
    30 mA
  1 active Solenoid valve
  Supply voltage 24 VDC
    75 mA
  2 active Solenoid valve
  Supply voltage 24 VDC
  120 mA
  3 active Solenoid valve
  Supply voltage 24 VDC
  165 mA


ELECTRICAL CONNECTION

















































1. External body
2. N/A
3. Screw
4. Washer
5. Sensor card
6. Solenoid valve*
7. PT Screw

 8. Base
 9. Special X-ring, gray
10. Air fitting
11. Discharge valve
12. Threaded Plug (PG7)
13. Cable union,  PG11
14. Air outlet

15. Adapter
16. Special X-ring, black
17. “O” ring
18. Allen screw
19. Special X-ring
20. Indicator needle



*6a: Selenoid valve (3/2)
*6b: Selenoid valve (3/2 or 5/2)





SIZES and ITEM NUMBERS

Product Code: 5403


Please note the following when placing an order:

- Digital  8-30  VDC PNP/NPN
- Number of solenoid valves (0-3)
- Solenoid valve type (3/2 or 5/2)
- Air jack installation 6mm or 1/4”
- Please indicate if you will use it for 700 series of valves
- Special indication needle for SSV-LS valves; 9613158101 Unique
- Special indication needle 9612637001 for SRC-LS Stop valves at size 63.5-101.6 mm/DN 65-100