When replacing modules or working on equipment controlled by the PLC installation,the safest way to proceed is to: 
A) de-energize the MCR coil.
B) block open the emergency stop switch.
C) remove the fuse from the circuit.
D) pull and lock the disconnect switch.
Correct Answer:
Verified
Q42: Immediate instructions are most useful when programmed:
A)immediately
Q45: The immediate input and output instructions provide
Q47: Immediate instructions should be used only when:
A)a
Q60: Assume output SOL C is energized at
Q62: Power to the processor module is controlled
Q63: The output of 0:2/5 would be _
Q64: The use of the starter auxiliary contact
Q67: The actual status of input 1:1/3 is
Q70: PLC emergency stop circuits should be:
A)hardwired outside
Q75: Forcing functions should not be used:
A)with retentive
Unlock this Answer For Free Now!
View this answer and more for free by performing one of the following actions
Scan the QR code to install the App and get 2 free unlocks
Unlock quizzes for free by uploading documents