Proper Use - Wieland SNH Not-Halt-Taster Mode D'emploi

• The switching operation may only take place via appropriate actuators that are securely
connected to the contact element.
• The EMERGENCY STOP function may not be used as a substitute for safety measures or
other safety functions, but rather as a supplementary safety measure.
The EMERGENCY STOP function must not impair the effectiveness of safety equipment
•
or other equipment with safety functions.
Using a danger analysis, the machine designer must ensure that the EMERGENCY STOP
•
fulfills the necessary safety category in combination with the controls.
• EMERGENCY OFF buttons provide a personnel safety function. Improper installation or
manipulation can lead to serious personal injury!
• Improper installation or manipulation can lead to damage to the machine and work
product!
• Take the following safety precautions before connection work, installation / assembly
and dismantling:
Disconnect the device / the system from the power supply before starting work.
Secure the machine / system against being switched on again.
Confirm that no voltage is present.
Ground the phases and short to ground briefly.
Cover and shield neighbouring live parts.
Always check all safety functions in accordance with the applicable regulations during
•
initial commissioning of your machine / system and observe the specified inspection cy-
cles for safety devices.
Limited contact protection!
•
Protection class according to EN 60529.
− Case / terminals: IP40 / IP20.
− Finger-proof according to EN 50247.
• Note regarding the use of "protective collars": the user must check accessibility.
When using emergency stops with key release, the key must only be inserted during the
•
releasing procedure.
1

Proper use

The units must only be used as components of safety devices on machines intended to pro-
tect persons, material and machines.
Only use the unit in accordance with its intended purpose. Also, pay particular attention
to the information in Chapter 7 "Technical data" on page 18.
Doc. # BA000612 – 01/2019 (Rev. C)
SAFETY REGULATIONS
ATTENTION
EN 14 / 74