Enabling Button - Siemens F IWLAN Operating Instructions Manual

Operator controls and displays
5.4 Safety-related operator controls
Procedure – Releasing the EMERGENCY STOP button
WARNING
EMERGENCY STOP button released
If you have pressed the EMERGENCY STOP button and thereby brought the plant unit to a
standstill, you should only release the EMERGENCY STOP button under the following
conditions:
 The reasons for the EMERGENCY STOP have been eliminated.
 A safe restart is possible.
 The restart should not be performed by releasing the EMERGENCY STOP button.
The project should force the operator to perform an action for restarting independent of
the EMERGENCY STOP button. The safety program must specify that no automatic
restart of the plant is possible simply by releasing the EMERGENCY STOP button.
Proceed as follows:
1. Turn the EMERGENCY STOP button clockwise to its original position.
The EMERGENCY STOP button is released.
5.4.2

Enabling button

The enabling mechanism consists of two enabling buttons which are installed on both sides
of the HMI device. You can find additional information in the "Safety functions of the enabling
mechanism (Page 42)" section.
The enabling button is required to confirm axis movements, for example.
90
PRELIMINARY II
Wireless Teach Pendant F IWLAN V2
Operating Instructions, 08/2010, A5E02453837-01
1.7.2010