Siemens SINUMERIK 840C Installation Instructions Manual page 338

09.95
NC MD
592*
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 1 Bit 1=1 NC-controlled extended stop and retract enabled.
Bit 0 Bit 0=1 When a fault is detected an alarm and Mode Group Stop is triggered and, with
Note:
See functional description of ESR
NC MD
596*
Axis-specific sources for retraction.
Bit 2
Bit 1
Bit 0 Bit 0=1 A retraction movement is triggered if the retraction threshold of an FA is
_______
1) As from SW 4
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SINUMERIK 840C (IA)
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Bit 2=0 Drive-autonomous extended stop and retract disabled.
Bit 1=0 NC-controlled extended stop and retract disabled.
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
7 6
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.
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.
exceeded.
Bit 0=0 A retraction movement is not triggered if the retraction threshold of an FA is
exceeded.
Active: at once
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6 NC Machine Data (NC MD), NC Setting Data (NC SD)
6.6.4 Axis-specific MD bits 1 (axial bits 1)
Bit No.
5 4 3
Bit No.
5 4 3
6FC5197- AA50
2 1 0
Trigger
ESR
ESR drive- alarm +
controlled
autonomous mode group
by the NC
1)
stop on
1)
error
2 1 0
Retract if
Generator
DC link Retraction
speed
warn. threshold
below
threshold FA/FS
1)
threshold
1)
not met
6–153
1)
1)