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1
3, 4, 13, 14
Generation of minimum acceleration for stepper motor SMAMIN
0
1, 7
Activation of software limit switches SEAKT
= –10
= –10
Internal generation of absolute traversing range limits VFBABS
< 1
Checks for servo motor and stepper motor:
MD9 check
MD8
0
1
Note:
MD11, MD12, MD13 check
Permissible measured value factor range:2
FM 453 Servo Drive / Step Drive Positioning Module
C79000-G7076-C453-01
MD10
MD61
–
–
MD61
as required, not used in checks
SMAMIN = 1000 MD52 / UMWEG
MD21
MD22
9
9
= +10
9
9
–10
= +10
9
9
+10
9
9
–10
+10
MWFAKTOR
9
10
9
1
10
/ MWFAKTOR
MD10
MD61
–
–
any, not used
0
–
0
0
1, 7
MD18
1, 7
4
1
1
0
< 4
3, 13
–
MD9 mod UMWEG == 0
4, 14
–
(MD14 UMWEG) mod MD9 == 0
A sampling time of 2 ms is assumed
Defining Parameters of the FM 453
Measured Value Factor
MWFAKTOR = UMWEG / (4 MD13)
MWFAKTOR = UMWEG / MD13
SMAMIN
SEAKT
0 (inactive)
1 (active)
VFBABS
Permissible Rotary Axis End
(MD23/60 000)
(MD23/60 000)
–
Sampling time
MD9 mod UMWEG == 0
VFBABS
VFBABS
results in MWFAKTOR (see above)
–14
< MWFAKTOR < 2
p
g
MD9
14
5-17
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