06.03
2.4 MCI board extension slot variation (SW 11.00 and higher)
2-62
Siemens AG, 2003. All rights reserved
SINUMERIK 840Di Manual (HBI) – 06.03 Edition
2.4
MCI board extension slot variation (SW 11.00 and higher)
The MCI board extension slot variation is an electrically compatible successor
version of the MCI board extension module described in Section 2.3, page 2-56.
The module has been extended by the option of operating differential hand-
wheels or TTL handwheels.
2.4.1
Module
X4: MCI board extension
X121: Cable
distributor
PCI bus (mechanical)
*) locking screws
Internal thread: UNC 4-40
Switch S1
Fig. 2-9
MCI board extension slot variation
Designation
Order No. (MLFB)
MCI board extension slot variation (option)
6FC5 222-0AA00-0AA1
Caution
Never plug or remove the cable distributor at the X121 interface of the mod-
ule under voltage.
Before you plug or remove the cable connector, switch off the PCU (shut down
Windows NT correctly!). Otherwise, short circuits might occur on the module, as
a result of which the module could be destroyed.
Order number:
2 Hardware Descriptions
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