Setting up Compax3
C3I12T11
192-120113 N08 C3I12T11 - December 2010
Machine zero modes overview
Selection of the machine zero modes (MN-M)
Machine home switch
on X12/14:
MN-M 3 ... 14, 19 ... 30
Without motor reference point
MN-M 19 ...30
without direction reversal switches: MN-M 19, 20 (see on page
112),
(see on page 113)
with reversal switches: MN-M 23, 24, 25, 26 (see on page 114),
MN-M 27, 28, 29, 30 (see on page 114)
With motor reference point
MN-M 3 ... 14
(possibly an initiator
adjustment (see on page
123) is required)
without direction reversal switches: MN-M 3, 4 (see on page
115), MN-M 5, 6 (see on page 116)
with reversal switches: MN-M 7, 8, 9, 10 (see on page 117),
MN-M 11,12,13, 14 (see on page 117)
Without machine zero
initiator on X12/14:
MN-M 1, 2, 17, 18, 33 ..
35, 128, 129, 130 ... 133
Without motor reference point
MN-M 17, 18, 35, 128, 129
MN-M 35: on the actual position (see on page 118)
MN-M 128, 129: by moving to block (see on page 118)
With limit switch as machine zero: MN-M 17, 18 (see on page
119)
Only motor reference: MN-M 33, 34 (see on page 120), MN-M
130, 131 (see on page 120)
With limit switch as machine zero: MN-M 1, 2 (see on page
122), MN-M 132, 133 (see on page 122)
Definition of terms / explanations:
Motor zero point
Zero pulse of the feedback
Motor feedback systems such as resolvers or SinCos
©
/ EnDat give
one pulse per revolution.
Some motor feedback systems of direct drives do also have a zero
pulse, which is generated once or in defined intervals.
By interpreting the motor zero point (generally in connection with the
machine zero initiator) the machine zero can be defined more
exactly.
Machine zero initiator:
For creating the mechanical reference
Has a defined position within or on the edge of the travel range.
Direction reversal
switches:
Initiators on the edge of the travel range, which are used only with a
machine zero run in order to detect the end of the travel range.
In some cases, the function “direction reversal via Stromschwelle” is
also possible, then you will need no initiator, Compax3 detects the
end of the travel range via the threshold. Please observe the
respective notes.
During operation, the direction reversal switches are often used as
limit switches.
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