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

 

 

 

 

 

Item

Name

Description

(1)

100 / 240 V AC

Connection for AC or DC power

 

 

 

 

 

 

or 24 V DC

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

Connection for low-resistance



 

 

 

 

 

bonding

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.

6-2

SIMATIC Panel PC 877

Operating instructions, Release 07/2006, A5E00877780-01

Page 44
Image 44
Siemens PANEL PC 877 operating instructions Reset button, Data loss, On / Off switch