Alfa Laval ThinkTop Digital 8 Instruction Manual Download Page 1 | Manualshive

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IM70824-GB6

2002-12

Think

Top

®

Digital 8 - 30 VDC PNP/NPN

Instruction Manual

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Summary of Contents for ThinkTop Digital 8

Page 1: ...IM70824 GB6 2002 12 ThinkTop Digital 8 30 VDC PNP NPN Instruction Manual...

Page 2: ...following directives with amendments Low Voltage Directive 73 23 EEC EMC Directive 89 336 EEC hereby declare that Denomination Type Year Address Phone No Name Title Company Signature Vice President R...

Page 3: ...4...

Page 4: ...stallation on air actuators 12 4 2 Installation on Series 700 valves 15 4 3 Air connections 16 4 4 Electrical connection internal 17 4 5 Example of connecting power supplies 17 5 Setup diagram 18 5 1...

Page 5: ...information to simplify or clarify practices Installation Always observe the technical specifications see chapter 3 Never install the ThinkTop before valve or relay is in a safe position If welding cl...

Page 6: ...ressed air is activating the air actuator All solenoids have built in throttle function on both air inlet and outlet which means that it is possible to control the opening and closing time of the air...

Page 7: ...o of the feedback signals can be used for external sensors if necessary The status signal is used for detection of the following three conditions A set up is in progress Internal error Maintenance is...

Page 8: ...Supply voltage nominal 24 VDC 20 15 pr EN 61131 2 Max ripple 5 of nominal supply voltage Supply voltage absolute max 30 VDC Supply voltage absolute min 8 VDC Supply current Max 45 mA for sensor unit...

Page 9: ...valve detection position and the visual indications of the ThinkTop Status signal The status signal Feedback 5 is used for four purposes To indicate that setup is in progress LED D To indicate an err...

Page 10: ...eel parts Stainless steel AISI 304 and 316 Seals Nitrile NBR EPDM rubber for SMP EC activator stem Note Filter recommended in tropical regions 3 1 4 Micro environment demand specifications Temperature...

Page 11: ...stem magnet and tighten carefully with a spanner NOTE The ThinkTop for the SMP EC valve has a longer activator stem going through the shell Remember O ring Step 3 1 Place the ThinkTop on top of the ac...

Page 12: ...this chapter Step 6 Fit the air tubes to the actuator see drawing Air connections later in this chapter Step 7 Untighten the three screws and pull off cover of ThinkT T T T Top op op op op Step 8 1 I...

Page 13: ...Make sure the cable gland is completely tightened Step 10 Set up the ThinkTop see chapter 5 NOTE The unit can be set up with the cover installed by using the IR keypad To energize the valve use a sepa...

Page 14: ...counter nut and indicator magnet on actuator rod Engage approx thread Tighten counter nut and indicator with two wrenches Step 3 1 Place the two O rings in the grooves in the bottom of the adapter Th...

Page 15: ...llation Air restriction throttle function air inlet outlet Air out 1A Air exhaust Air out 1B 5 2 port solenoid valve only Air in Air out 3 Air out 2 Manual hold override Solenoid valve 4 3 Air connect...

Page 16: ...essary The selection NPN PNP is done by the jumper Note Remember to isolate wires that are not in use One power supply for sensor system and solenoid valves 24 VDC 9 10 11 Jumper if positive activatio...

Page 17: ...eat Lift Set Lower Seat Lift Set Lower Seat Lift Set Lower Seat Lift 0 0 0 0 0 Bypass Bypass Bypass Bypass Bypass Move to next step 1 1 1 1 1 Store Position Store Position Store Position Store Positio...

Page 18: ...o bypass to bypass to bypass to bypass to bypass move to move to move to move to move to next step next step next step next step next step Set up Maintenance Set up Maintenance Set up Maintenance Set...

Page 19: ...I Press I to bypass to bypass to bypass to bypass to bypass move to move to move to move to move to next step next step next step next step next step LED D B steady LED D B steady LED D B steady LED D...

Page 20: ...commended Recommended LED E A B steady II II II II II Associated with closed Associated with closed Associated with closed Associated with closed Associated with closed position position position posi...

Page 21: ...ting new position however it is strongly recommended to make a complete new set up after valve maintenance NOTE The maintenance indicator lighting up and an open or closed light flashing Note the foll...

Page 22: ...set up LED lights have different functions Yellow steady Position C Seat lift 1 2 or external sensors 6 Fault finding 6 1 Fault finding and LEDs Yellow steady Position B open valve Yellow steady Posit...

Page 23: ...banjo connection Step 3 1 Untighten screws 2 Remove solenoid valves up to three and replace them with new ones Step 4 1 To dismantle the adapter the lower part of the ThinkTop from base the middle pa...

Page 24: ...intenance 7 1 Dismantling of ThinkTop Step 5 To remove the sensor unit untighten screw and pull out the sensor unit Study the instructions carefully Handle scrap correctly Always keep spare X rings in...

Page 25: ...urning adapter slightly anticlockwise and tighten the three screws 1 9 Nm Note Turn banjo connection Step 3 1 Replace solenoid valves up to three with new ones 2 Tighten screws 0 2 Nm Step 4 Replace c...

Page 26: ...27 7 Maintenance 7 2 Assembly of ThinkTop Step 5 1 Replace X ring 2 Mount ThinkTop on actuator Study the instructions carefully Handle scrap correctly Always keep spare X rings in stock...

Page 27: ...tor rod Engage approx 1 4 thread Tighten counter nut and indicator with two wrenches Step 3 1 Place the two O rings in the grooves in the bottom of the adapter Then place the adapter on the actuator t...

Page 28: ...29...

Page 29: ...ting incl O ring 8 1 ThinkTop Digital 8 30 VDC PNP NPN 8 Parts list Spare Parts Denomination Item number Sensor unit Digital 8 30 VDC PNP NPN 9612 5627 01 Solenoid valve 3 2 24 VDC 9611 99 3324 Soleno...

Page 30: ...31 This page shows an exploded drawing of the ThinkTop The drawing includes all items of the top unit Exploded Drawing 8 Parts list 8 1 ThinkTop Digital 8 30 VDC PNP NPN...

Page 31: ...Parts List Pos Denomination 1 Shell 3 Screw 4 Washer 5 Sensor unit 6 Solenoid valve 7 PT screw 8 Base 9 O ring NBR 10 Air fittings 11 Blow off valve 12 Thread plug PG7 13 Cable gland PG11 4 10 mm 14...

Page 32: ...33 This page shows an exploded drawing of the ThinkTop The drawing includes all items of the top unit Exploded Drawing 8 Parts list 8 2 ThinkTop Series 700 valves...

Page 33: ...How to contact Alfa Laval Contact details for all countries are continually updated on our website Please visit www alfalaval com to access the information direct...

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