PBV20N2 PBV20N2 Service Service ManualManual
8.68.6 Switches and buttonsSwitches and buttons
8.6.1 8.6.1 Emergency Emergency stop stop buttonbutton
TypeType
Complete emergency stopComplete emergency stop
Contact ratingContact rating
24 Vdc / 4 A24 Vdc / 4 A
Electrical wiringElectrical wiring
Quick connect terminals 2.8 x 0.8 mmQuick connect terminals 2.8 x 0.8 mm
Switching outputSwitching output
1 x NC1 x NC
Spare partSpare part
RL611948RL611948
Figure 68. Emergency stop buttonFigure 68. Emergency stop button
Emergency stop button functionality check:Emergency stop button functionality check:
Measure at the ohms area that the Measure at the ohms area that the contacts inside the emergency stop button are notcontacts inside the emergency stop button are not
stuck together.stuck together.
When the emergency stop button is released (the contacts are closed together), theWhen the emergency stop button is released (the contacts are closed together), the
ohms value is ~0ohms value is ~0 Ω.Ω.
When the emergency stop button is pressed down, the ohms value is When the emergency stop button is pressed down, the ohms value is ~~
∞Ω∞Ω
..
If the contacts are If the contacts are stuck together or broken, replace the emergency stop button.stuck together or broken, replace the emergency stop button.
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