Siemens SIMATIC PANEL PC 877 Operating Instructions Manual page 44

Connecting
6.1 Connection and operator control components
Reset button
The Reset key can trigger the following function during active operation:
Hardware reset: Immediate shutdown of the device without correct shutdown of the
operating system
This function is used to shut down the device when it no longer responds. This triggers a
hardware reset. Press the key briefly with a pointed object. Following a hardware reset, the
device automatically boots up.
Caution
Data loss
A hardware reset can result in a loss of data.
Connection and operator control components of the right-hand side of the device
Notice
On / Off switch
The On / Off switch does not disconnect the device from mains. When the switch is in 0
position, the device is still connected to the auxiliary voltage.
6-2
Item Name
(1) 100 / 240 V AC
or 24 V DC
(2) On / Off switch
(3) Equipotential
bonding
Operating instructions, Release 07/2006, A5E00877780-01
Description
Connection for AC or DC power
supply (depending on the
product variant, the figure
shows the AC power plug)
The relevant angle is included
with the device for interlocking
the connector.
-
Connection for low-resistance
grounding connection
SIMATIC Panel PC 877