09.95 6 NC Machine Data (NC MD), NC Setting Data (NC SD)
6.6.4 Axis-specific MD bits 1 (axial bits 1)
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7 6 5 4 3 2 1 0
Bit No.
NC MD
592*
ESR drive-
autonomous
1)
ESR
controlled
by the NC
1)
Trigger
alarm +
mode group
stop on
error
1)
Determining axis-specific responses (axis was the source of the response). Internal axis-
specific responses
Bit 2 Bit 2=1 Drive-autonomous extended stop and retract enabled.
Bit 2=0 Drive-autonomous extended stop and retract disabled.
Bit 1 Bit 1=1 NC-controlled extended stop and retract enabled.
Bit 1=0 NC-controlled extended stop and retract disabled.
Bit 0 Bit 0=1 When a fault is detected an alarm and Mode Group Stop is triggered and, with
it, stop as well as retract is requested.
Bit 0=0 No alarm or Mode Group Stop is triggered if a fault is detected.
Active: At once
Note:
See functional description of ESR
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7 6 5 4 3 2 1 0
Bit No.
NC MD
596*
Generator
speed
below
threshold
1)
Retract if
DC link
warn.
threshold
not met
1)
Retraction
threshold
FA/FS
1)
Axis-specific sources for retraction.
Bit 2 Relevant for 611D only.
Bit 2=1 A retraction movement is triggered if the generator speed of an axis/spindle
falls below the threshold value.
Bit 2=0 A retraction movement is not triggered if the generator speed of an
axis/spindle falls below the threshold value.
Bit 1 Relevant for 611D only.
Bit 1=1 A retraction movement is triggered if the DC link voltage of an axis/spindle falls
below the threshold value.
Bit 1=0 A retraction movement is not triggered if the DC link voltage of an axis/spindle
falls below the threshold value.
Bit 0 Bit 0=1 A retraction movement is triggered if the retraction threshold of an FA is
exceeded.
Bit 0=0 A retraction movement is not triggered if the retraction threshold of an FA is
exceeded.
Active: at once
_______
1) As from SW 4
©
Siemens AG 1992 All Rights Reserved 6FC5197- AA50
6–153
SINUMERIK 840C (IA)
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