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Talking about the common faults of color steel tile press

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Talking about the common faults of color steel tile press
Latest company news about Talking about the common faults of color steel tile press

There is an indicator light on the PLC controller in the control box of the color steel tile compactor. Normally, it should display: POWER green light, RUN green light.
.IN: input instructions,
0 1 The light flashes frequently when the counter rotates, the automatic 2 light is on, the manual 3 light is on, .6 light is on when the knife is lowered and the limit switch is on, and 7 is lighted when the knife is raised and the limit switch is on. To run. The 2 and 3 lights cannot be on at the same time. When they are on at the same time, it indicates that the automatic switch is broken or short-circuited. The 6 and 7 lights cannot be on at the same time. At the same time, it means: 1 stroke switch is connected incorrectly, 2 stroke switch is broken; 3, X6 and X7 are short-circuited.


A: Manual can work, automatic can't work

latest company news about Talking about the common faults of color steel tile press  0
the reason:
1 The number of cut sheets is greater than or equal to the set number
2 sheets or no length
3 Automatic switch button is damaged
4 The cutter does not raise and touches the stroke switch. Or touch the travel switch, but there is no signal, the input 7 light is off

 

Approach:
1 Clear the current number {press the ALM key}.
2 When the automatic switch is in the ON position, the IN terminal 2 light on the PLC is off. {Any brand LAY3 series knob can be used instead}
3 The travel switch is broken or the cable from the travel switch to the electrical box is broken.
4 When none of the above reasons exist, check: set the number of sheets and length, clear the current length to zero, the cutter is raised to the upper limit, PLC input 7 is on, turn on the automatic switch, and check whether the line voltage is normal according to the drawing

latest company news about Talking about the common faults of color steel tile press  1

B: Manual and automatic are not working. The display does not show:
the reason:
1 The power supply is abnormal. When the voltmeter shows below 150V, the working voltage cannot be reached, and the electrical cabinet cannot start.
2 fuse blown
Approach:
1 Check whether the three-phase electrical input is 380V, and check whether the neutral wire is connected well.
2 Replace and inspect the solenoid valve wire for damage. {Fuse Type 6A}


C: Manual and automatic do not work, the voltmeter shows below 200V, the display shows
the reason:
Zero line open circuit
Approach:
Check the external zero line of the computer


D: Just unscrew the automatic cutter and go straight up (or down)

 

 

 

Pub Time : 2019-11-27 11:24:33 >> News list
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