VLT
®
5000 SyncPos option
MG.10.J4.02 – VLT is a registered Danfoss trade mark
168
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■ Glossary terms
Inverted value
notA = /A =
A
FPGA
Field programmable gate array
MLONG
For a description which is not dependent on the
version or the hardware, variables were used for
some limit values: thus the value of
MLONG = 1,073,741,824
Quadcounts
The unit defined by the parameter
User factorUser factor
User factorUser factor
User factor
POSFACT_Z (23) and POSFACT_N (26) is not used
for all path and position parameters. For various
parameters (for example a software limit switch
like I_POSLIMITSW (46) and the parameter
TT
TT
T
olerated position error olerated position error
olerated position error olerated position error
olerated position error POSERR (15) the quad-
count unit (qc) is valid.
4 quad-counts correspond to one sensor unit.
st
sample time = 1 ms
User units
All path information in motion commands are
made in user units and are converted to quad-
counts internally. By choosing these scaling units
correspondingly it is possible to work with any
technical measurement unit (for example mm).
This factor is a fraction which consists of a nume-
rator and denominator.
1 User unit = POSFACT_Z / POSFACT_N
Zero impulse
= Index impulse
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■ What's new in PC Software 2.0x / Option card
Software 3.00?
Saving and Uploading Source Code
When program files are protected not only com-
piled but also by source coding, the file can be
read back again, edited new, or duplicated for
other controls at a later date.
Long Telegrams
The introduction of a different communication
module (the use of long telegram types) significant-
ly shortens the transmission time of long files (for
example when downloading files, or reading back
test run results).
Total number of VLT addresses
From version 2.0x more than 32 VLT addresses are
possible.
Parameter 108
From version 2.0x, parameter 108 – like all other
parameters – is saved.
Glossary Terms
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