Siemens SIMATIC PANEL PC 877 User Manual
Page 70
Operation and configuration
9.1 Normal operation
SIMATIC Panel PC 877
9-2
Operating instructions, Release 07/2006, A5E00877780-01
Procedure
Warning
Danger of incorrect operations!
The following applies to external input devices or combinations of external input devices and
control units with key panels: Ambiguous key codes can cause serious malfunctions of the
application program.
Always activate the "Security features" of "KeyTools." Please note the applicable safety
information in the "Operation and configuration" chapter in the section, "Additional drivers
and applications."
Caution
The device must not be switched on if there is condensation. Switch it on only after it has
been stored in a (heated) room for at least 12 hours for temperature adjustment.
9. Connect the AC device to a sockeet with protective conductor with a cable suitable for the
application. You connect the DC device to your 24 V DC power supply using the supplied
special connector.
10. Switch on the power switch of the device.
The "POWER" LED will light up. The device is now in operation and booting.
Caution
Risk of data loss!
Do not switch off the power supply when the device is in operation. Disconnect the power
only after the device has been correctly shut down.
After switching on the power supply, the device performs a self-test. During the self-test,
the message "Press
When the self-test is finished, the operating system will be loaded and the desktop will be
displayed.
The booting process has been completed successfully.