Siemens 611-D, 840C Drive machine data cannot be loaded while control is in general reset mode.

11 Data Backup/CPU Replacement 01.99
11.1.7 Loading from hard disk (control startup with user data)
Drive machine data cannot be loaded
while control is in general reset mode.
Drive boot file with
user data in binary
format available
on hard disk.
Startup of 611D
with TEA3 user data
not required.
33) Select key position 0 on CSB Position for normal operation
34) Press ”Recall” three times
35) SK ”General reset mode”
36) SK ”Formatting NCK UM”
37) SK ”PLC general reset”
2
It is absolutely vital
to carry out
UM formatting of current MD
37a)
Serial
startup with
identical
611D
drives
Branch
No
38) SK ”Drive general reset”
A
Yes
Startup with TEA3 user data
Warning:
Pressing SK ”Drive general reset” will erase the boot file
with the drive user data in binary format.
11–12 © Siemens AG 1992 All Rights Reserved 6FC5197- AA50
SINUMERIK 840C (IA)