machine. Therefore, press the EMERGENCY STOP button and contact the machine
manufacturer.
inputs.
Is the input
set to 1?
Yes
No
Disconnect the original lead from the
PLC input to be checked; secure the lead.
Acknowledge the Power interrupted message;
the PLC program will be compiled.
Do NOT press the Control voltage ON key (the machine
power should not be switched on.)
PLC input defective?
Instead, connect the end of a separate lead to this
PLC input, and the other end to the pulse pole of
the 24-V power supply of the electrical cabinet.
Press the EMERGENCY STOP button. (Make sure that no
dangerous action can be performed on the machine!)
Call the PLC TABLE and place the
cursor on the input to be checked.
Switch off the machine.
Switch on the main switch of the machine.
- Input of the control
component (MB, UEC, PLB,
PLD) defective
- Cable or connector defective
- Fault in the bus, etc.
The input on the control component
(MB, UEC, PLB, PLD) is okay.
The defect is located in the electrical
cabinet or the machine tool.
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