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Siemens SIMATIC PANEL PC 877 User Manual

Page 44

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Connecting

6.1 Connection and operator control components

SIMATIC Panel PC 877

6-2

Operating instructions, Release 07/2006, A5E00877780-01

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

Item Name

Description

(1) 100 / 240 V AC

or 24 V DC

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.

(2) On / Off switch

-

(3) Equipotential

bonding

Connection for low-resistance

grounding connection

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.