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9.Troubleshooting - Canon R-1SO Instruction Manual

Laser rotary encoder
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9.Troubleshooting
9.
9.
9.
9.Troubleshooting
This page lists problems frequently inquired of and their solutions. Before making
inquiries, please check the corresponding items.
If you still cannot solve your problem, please contact the customer support section
mentioned at the end of this document.
Status
A or B phase
digital signals
are not output.
Signals
are
interrupted.
Z
phase
Signals
are
not output.
The
actual
position(angle)
differs greatly
from that by
the encoder
Check
Result
Is rotating
speed
in
specifications
range?
Is rotating
speed
in
specifications
range?
Is
the
reception
machinery
able to catch
500ns
pulse?
Is
the
difference
great?
・ Check the power supply pin
Yes
assignment and voltage.Check
the output signal pin
assignment and the receiver
circuit.
No
・ Set rotating speed
in specifications range.
Yes
・ Check for excessive load to the
bearing
・ Check that the bandwidth of
your counter has not
been exceeded.
・ Check for noise in the power
supply and the frame ground.
No
・ Set rotating speed
in specifications range.
Yes
・ Check the Z phase signal by
oscilloscope
No
・ Use equipment with sufficient
bandwidth.
・ increase pulse the width using
a one-shot multi-vibrator (74
LS221 etc.).
Yes
・ Check
setting is correct.
No
・ Check for excessive load to the
bearing
・ Check
alignment is precise.
Next Check
that
the
resolution
that
the
See
4-1
4-2
4-3
4-4
7-3
6
7-9
7-3
4-1
7-3
7-3
4-3
4-4
5-1
4-5
6
7-9
shaft
11

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