DRM-7000
< Principles >
Encoder sideCarriage base side
Clockwise rotation moves
UP Interrupter to upwards.
Clockwise rotation moves
DN Interrupter to upwards.
Y The figure to the left shows the center of the stop position of the
carriage base. The purpose of the adjustment is to obtain this
A
status. The stop position requires A > 0 and B > 0.
phase difference / 2This means that the stop position range must be ? phase
UPdifference/2 and the stop-position range must be equal to the
phase difference. Thus, as shown in the figure to the left, set
DN (reference side) to phase difference/2 below and UP
3 teeth)
´C(adjusting side) to phase difference/2 above with respect to the
lower edge of the encoder slit.
9 mm
9.45 mm Y Adjust A in the height adjustment. Once align the target lower
edge of the encoder slit with the position of DN (= the position
(pitch 3mm of the carriage base) [step (7)], then move it up by the amount
B(9 + phase difference 0.45)of A [step (8)].
phase difference / 2
DN
InterrupterClockwise for upwards
and counterclockwise
Encoder plateLower edgefor downwards.A
for reference
DN
DN
* The interrupters light when the light is blocked.
Fig. 4 Adjustment model view
6.2.5 Relative Adjustment of the UP-DN(5) While observing the red LED (interrupter), slowly move the
Interruptercarriage base up or down by hand and stop it immediately when
the red LED lights. Be sure to stop the carriage base in an
Y Purpose:
upward movement.
To adjust the stop position range of carriage base elevation to
(6) Form the state at the moment when the red LED lights, turn
0.45 mm.
Y Method:the relative adjustment screw clockwise 360 degrees (350 to
370 degrees).
Adjust by turning the relative adjustment screw on the carriage
(7) Lock the screws when the adjustment is completed. g
base.
Y Contents:
< Principles >
Set the interrupter UP 0.45mm than the interrupter DN. Adjust
Clockwise for upwards and
the phase difference (relative height) between UP and DN tocounterclockwise for downwards
0.45 ? 0.05mm.
Y Preparation:
Set the unit to Diag-robotics-individually in Manual elevating
operation mode.
C
Y Adjustment point:UPUP
Relative adjustment screw
The LEDs for monitoring the interrupter outputs are located on
the flexible relay board (interrupter UP: green, interrupter DN:9mm
9mm
red).
(1) Move the carriage base upward (to around [200] ) to permit
easy access to the relative adjustment screw.
DN
(2) While observing the green LED, slowly move the carriage baseDN
up by hand and stop it immediately when the green LED lights.
Important: Be sure to stop the carriage base in an upward
* The interrupters light when the light is blocked.
movement.
(3) Turn the relative adjustment screw clockwise and stop it whenAdjust C ( A + B ) in the UP-DN relative adjustments.
After aligning the DN interrupter with the lower edge of the encoder
the red LED lights. (If the LED is already lit when starting the
slit (step 2), temporarity align the interrupter UP also with the lower
adjustment, once turn the screw counterclockwise to turn the
edge (step 3).
LED off.) eAfter confirming that the DN and UP interrupters are in place (step
(4) Verification: Once move the carriage base down until the red4), align the interrupter DN with the lower, edge again (step 5) and
LED goes off, then slowly move it up again to check that the move the interrupter UP upwards by the amount of C (step 6).
two LEDs simultaneously light. If they do not lightFig. 5 Adjustment model view
simultaneously, repeat the adjustment from step (2).
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ACEC
