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U
Highlight the Type choice field and then press a soft key to select
the encoder type.
U
Highlight the Ref Marks choice field and then press the LIST soft key
to display the reference mark choices. Highlight the required
encoder reference mark type and press the ENTER key.
Reference marks must be used if SLEC or NLEC error
correction will be performed later. Error correction is
discussed later in this chapter.
The M.Z. Cnts (Machine zero counts) data field is rarely used to specify
an offset from the machine zero position created by crossing encoder
reference marks.
Custom machine zeroes are rarely used because datums are always
established before performing measurements.
U
To specify a custom machine zero, highlight the M.Z. Cnts data field
and enter the machine zero offset in machine counts as determined
by: Machine counts = DRO value/encoder resolution.
Select the encoder type
ND 1200 QUADRA-CHEK
Select an encoder reference mark type
from the list
Enter machine zero offset counts if
required
93
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