Siemens SINUMERIK 840C - Manual (Page 624)

09.95

Siemens AG 2001 All Rights Reserved 6FC5197– j AA50 9–3
SINUMERIK 840C (IA)
The following start conditions must be fulfilled when the
measuring functions are started.
S
NC operating mode “JOG” selected.
S
No traversing command for the axis/spindle (NCK or com-
mand channel).
The “Overstore” function is disabled while the measurement is in progress. The
axis or spindle interface is operated depending on which interface (spindle or (C)
axis) is active when test mode is selected.
Operating mode on
selection Active interface DB number
C-axis mode Axis interface DB 29/32
Spindle operating mode Spindle interface DB 31
Axis mode (feed axis) Axis interface DB 29/32
The measurement function for the current control loop must
not be used for suspended axes without an external weight
balance. When a mechanical brake is fitted, it must be
ensured that it cannot be released by electrical means.
Automatic quadrant The purpose of the quadrant error compensation function is to
error compensation minimize contour errors resulting from friction, backlash and
with integrated torsional strain during reversal.The following functions are provided with
circularity test SW 4 to allow the detection and compensation of quadrant errors:
(option – SW 4)
S
Automatic setting of quadrant error compensation to facilitate start-up.
S
Integrated circularity test to provide visual display of axis performance and for
diagnostic purposes.
Trace function A storage oscilloscope function with 4 user-parameterizable
(user-parameterizable channels has been introduced as a supplement to the start-up functions
oscilloscope implemented in SW 3 to date. This oscilloscope function makes it possible
function – SW 4) to record important signals for optimization and diagnostic purposes during
start-up and in operation.
9 Drive Servo Start-Up Application (as from SW 3) 10.94