06.03
3.1 System overview
3-126
Siemens AG, 2003. All rights reserved
SINUMERIK 840Di Manual (HBI) – 06.03 Edition
Operator panel front: OP 012
Industrial PC: PCU 50
PS/2 keyboard
Diskette
drive 3.5’’
CD-ROM
drive
PS/2 mouse
SIEMENS
SITOP DC-UPS Module 15 with
SITOP POWER lead-acid module
PC/programming
device, e.g. PG740
VGA monitor
SIEMENS
SITOP POWER
Standard 24V/10A
Optional
Fig. 3-2
System overview: PCU components (as a diagram)
3 Design