Function Of The System Keys - Siemens SIMATIC C7-613 Manual

Operating the C7-613
Key Labeling and Key Function
The C7-613 is operated using the keyboard. The keyboard has four different
functional blocks (refer to Figure 5-1):
• System keys
• Function keys (K-keys)
• Softkeys (F-keys)
• Operating mode keys
System keys
The keypad with the system keys is highlighted in Figure 5-1. The functionality of
the individual keys is explained in Table 5-1.
with the corresponding K-keys used.
Table 5-1

Function of the System Keys

Key
SHIFT
ENTER
ESC
5-2
Function
SHIFT key The SHIFT key is used to enable the second function of
the function keys with double assignment
When the SHIFT key is pressed, the SHIFT LED
illuminates, indicating that the secondary function is
activated. The function keys are then used to enter
numerical values.
The function keys (K-keys) can be assigned two functions
only if the entry using function keys setting has been
selected in the configuration interface.
The function keys (K-keys) do not have two functions
assigned if the entry using cursor keys setting has been
selected in the configuration interface.
Enter key By pressing ENTER you can
(ENTER)
•
Confirm and end an input,
•
Acknowledge fault messages,
•
Pass from the message level to the screen level,
•
Abort the display of an info text and return to the
previous screen.
Escape key By pressing ESC you can
(ESCAPE)
•
Undo field entries as long as you have not confirmed
them by pressing the ENTER key,
•
Branch from a screen to the screen previously
selected in the screen memory,
•
Change from the initial screen to the message level
(the ESC key is not active in the message level),
•
Abort the display of an info text and return to the
previous screen.
Description
C7-613 Control System
A5E00138934-03