Q2) This PLC is being used to start and stop an electric motor, and also to shut it down automatically if any of three "shutdown" conditions occur: Excessive vibration • Overcurrent (overload heater contact) • High winding temperature Power supply Digital inputs Digital outputs Pocess -To motor contactor Start l Stop. 120 VAC Oo Oo va 11 OL2N OGnd Com Com Vibration contact Temperature contact Overload contact The status of each shutdown contact is as follows: Vibration contact: closed when okay, opens when vibration becomes excessive Overload contact: closed when okay, opens when overloaded Temperature contact: open when okay, closes when hot Draw a PLC ladder-logic program to start and stop this motor.
Q2) This PLC is being used to start and stop an electric motor, and also to shut it down automatically if any of three "shutdown" conditions occur: Excessive vibration • Overcurrent (overload heater contact) • High winding temperature Power supply Digital inputs Digital outputs Pocess -To motor contactor Start l Stop. 120 VAC Oo Oo va 11 OL2N OGnd Com Com Vibration contact Temperature contact Overload contact The status of each shutdown contact is as follows: Vibration contact: closed when okay, opens when vibration becomes excessive Overload contact: closed when okay, opens when overloaded Temperature contact: open when okay, closes when hot Draw a PLC ladder-logic program to start and stop this motor.
Introductory Circuit Analysis (13th Edition)
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ISBN:9780133923605
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Publisher:Robert L. Boylestad
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Question
![Q2) This PLC is being used to start and stop an electric motor, and also to shut it down
automatically if any of three "shutdown" conditions occur:
• Excessive vibration
• Overcurrent (overload heater contact)
• High winding temperature
Power
supply
Digital
Inputs
Digital
outputs
Processor
To motor contactor
o x Oo
120 VAC
Start
Stop.
Oo va
NH
Oo va
L1
OL2N
X4
Com
Gnd
Com
Vibration contact
Temperature
contact
Overload
contact
The status of each shutdown contact is as follows:
Vibration contact: closed when okay, opens when vibration becomes excessive
Overload contact: closed when okay, opens when overloaded
Temperature contact: open when okay, closes when hot
Draw a PLC ladder-logic program to start and stop this motor.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fa3fb15a3-d284-4eac-ab59-8cad45d6bc51%2Fa08b2d5d-8ec4-4f6a-a5f3-03c5f3f87e74%2F6k8by7a_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Q2) This PLC is being used to start and stop an electric motor, and also to shut it down
automatically if any of three "shutdown" conditions occur:
• Excessive vibration
• Overcurrent (overload heater contact)
• High winding temperature
Power
supply
Digital
Inputs
Digital
outputs
Processor
To motor contactor
o x Oo
120 VAC
Start
Stop.
Oo va
NH
Oo va
L1
OL2N
X4
Com
Gnd
Com
Vibration contact
Temperature
contact
Overload
contact
The status of each shutdown contact is as follows:
Vibration contact: closed when okay, opens when vibration becomes excessive
Overload contact: closed when okay, opens when overloaded
Temperature contact: open when okay, closes when hot
Draw a PLC ladder-logic program to start and stop this motor.
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