Siemens SINUMERIK 840C Installation Instructions Manual page 540

07.97
Relation between control word (MD 11004) and control word (MD 11002).
MD 1500 Status
Type of 1st filter -
Control word 1
MD 11004, bit 11
Control word 0
MD 11004, bit 11
• The 1st speed setpoint filter can be switched on/off via the control word (MD 11004, bit
11) only, if it is parameterized as low-pass (MD 1501, bit 0=0). It is not possible, if it has
been parameterized as band-stop (MD 1501, bit 0=1).
• The status word (MD 11002, bit 11) indicates the active/inactive state of the 1st speed
setpoint filter only, if the filter is parameterized and selected as low-pass and is active
(MD 1550>0, MD 1501, bit 0=0).
1501
Default value
0000
Input of configuration of 2 speed setpoint filters. A selection of band-stop and low-pass filters
(PT2/PT1) are available. The adjustable filter parameters are entered in the appropriate
machine data.
Applications:
• The set speed filter type "band-stop filter" is used to dampen axis-specific resonant
frequencies in the position control loop.
Depending on the requirement, the function "band-stop filter" can be set in three
configurations:
- Simple band-stop filter, MD 1514/MD 1517 and MD 1515/MD 1518
- Band-stop filter with settable damping of the amplitude response, other relevant
machine data MD 1516/MD 1519
- Band-stop filter with settable damping of the amplitude response and raising or
lowering of the amplitude response after the blocking frequency, other relevant
machine data MD 1520/MD 1521.
• Interpolation with speed setpoint stairs - the speed setpoints are output in the position
controller cycle which can be set to a much greater value than the speed controller cycle
(low-pass).
Low-pass/band-stop
PT2/PT1 with low-
pass
* Band-stop cannot be deactivated via control word
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Siemens AG 1992 All Rights Reserved
SINUMERIK 840C (IA)
MD 1500 > 0 MD 1500 > 0
Low-pass
(MD 1501.0 = 0)
Status word
MD 11002, bit 11 = 1
Status word
MD 11002, bit 11 = 0
Type speed setpoint filter
Lower input limit
0000
0 Low-pass (see MD 1502/1506/1507)
1st filter Bit 0
1 Band-stop (see MD 1514/1515/1516/1520)
0 Low-pass (see MD 1502/1508/1509)
2nd filter Bit 1
1 Band-stop (see MD 1517/1518/1519/1521)
0 PT2 low-pass (see MD 1506/1507)
1st filter Bit 8
1 PT1 low-pass (see MD 1502)
0 PT2 low-pass (see MD 1508/1509)
2nd filter Bit 9
1 PT1 low-pass (see MD 1503)
6FC5197- AA50
7 Drive Machine Data (SIMODRIVE Drive MD)
7.3.2 Drive MD (data description)
MD 1500=0
Band-stop
(MD 1501.0 = 1) (MD 1501.0 = 0 or 1)
Status word
MD 11002, bit 11 = 1 MD 11002, bit 11 = 1
Status word*
MD 11002, bit 11 = 1 MD 11002, bit 11 = 1
Upper input limit
0303
Inactive
Status word
Status word
Active
at once
Units
Hex
7–125