06.03
3.2 Electrical design
3-130
Siemens AG, 2003. All rights reserved
SINUMERIK 840Di Manual (HBI) – 06.03 Edition
3.2.5
PCU 70
Ethernet
MPI/L2-DP
VGA
COM1
LPT1
PS/2 keyboard
PS/2 mouse
COM2
USB
24V
power supply
X101
X111
X121
1)
2)
Expansion slots
1) Slot 1 (Master/slave)
Note
The MCI board must only be run in slot 1
2) Slot 2 (master/slave)
MCI board extension (option)
Slot 4 (slave)
Slot 3 (slave)
Connections
Assignment as with PCU 50
PC card slot
Fig. 3-8
SINUMERIK 840Di PCU 70 (right housing side)
Note
The connections of the PCU 70 correspond to those of the PCU 50.
3 Design