Page 281 - Electronic Mechanic - TP - Volume - 2
P. 281
ELECTRONICS MECHANIC - CITS
EXERCISE 193&196: Construct and control Automatic
return of a Double Acting Cylinder by
Limit Switch
Objectives
At the end of this exercise you shall be able to
• select the components to construct and control automatic return of the double acting cylinder by Limit Switch
• construct the circuit on trainer board as per the diagram
• check the function of the circuit.
Requirements
Tools/ Materials
• Pneumatic trainer board - 1 No. • 5/2 DC double solenoid valve - 12 No.
• Digital multimeter with probes - 1 No. • FRL - 1 No.
• Regulated DC power • Push button switch - 1 No.
supply 24V/2A - 1 No. • Relay - 2 Nos.
• Pneumatic Source - 1 No. • Limit Switch - as reqd.
• FRL - 1 No. • PU Tube - as reqd.
• Double Acting Cylinder - 1 No. • Connecting cables
Procedure
TASK 1: Select the components to construct and control the automatic return of a double acting
cylinder
1 Select the components to construct the circuit using ISO 1219 symbol
2 Check the DC supply by using multi meter
TASK 2 & 3: Construct the circuit and control the automatic return of a double acting cylinder
A Pneumatic Connection
1 Connect the Compressor to the FRL
2 Set the FRL for 6 bar
3 Connect the FRL to the Manifold
4 Connect input port (Port No.1 or P) of the 5/2 Solenoid valve to the Manifold.
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