Central Unit
15
7SS52 V4 Manual
C53000-G1176-C182-1
2.1 Central Unit
The central unit is installed in an ES902 C (SIPAC) subrack. This subrack can addi-
tionally be fitted in a wall-mounted housing or in an 8MF cubicle.
On account of the modular design, different variants and degrees of expansion can be
coordinated with the station configuration.
2.1.1 Front View
Figure 2-1 Front view of the central unit
1 LEDs for the indication of operating states
2 LCD for textual display of process and device information
3 Navigation keys for moving through the operating tree
4 MENU key for calling up the main menu
5 9-pole female sub D connector for connecting a PC running DIGSI
6 ENTER for confirmation of changes or for acknowledging information displayed
in the LCD
ESC key to move up one level
7 Numeric keypad for entering numeric values
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