© Siemens AG 2001 All Rights Reserved
SINUMERIK 840Di System Overview (SYI) - 02.2001 Edition 3
-19
Hardware
3.1 SIEMENS industrial PCs...................................................................... 3-20
3.2 MCI Board............................................................................................ 3-21
3.3 MCI Board Extension........................................................................... 3-23
3.4 Operator panel fronts........................................................................... 3-24
3.5 Handheld operator and programming units.......................................... 3-25
3.6 Machine control panels........................................................................ 3-25
3.7 Drives................................................................................................... 3-26
3.8 I/Os ...................................................................................................... 3-29
3.9 Uninterruptible power supply (UPS)..................................................... 3-30
3