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Diagnostic LEDs
T3x3x readhead LEDs
LED
Indication
Green
Orange
Incremental
Red
Set-up
Green (flash)
Reference
Orange (flash)
mark
Red (flash)
On
Operating
Off
Single-flashing
CAL
Calibration
Double-flashing
Flashing at
Reset
power-up (< 2s)
NOTES:
•
Alarm output will take the form of 3-state or line driven E signal depending on interface configuration. Also, some configurations do not output overspeed alarm. See TONiC
sheet (Renishaw part no. L-9517-9878) for details of interface configuration.
•
Momentary alarm output status only, while fault condition remains.
•
Alarm may result in axis position error, re-datum to continue.
1
The flash will effectively be invisible when passing the reference mark if the incremental signal is > 70%.
2
For Functional Safe applications the set-up LED must be green. See
3
For Functional Safe applications the LED must be purple, blue or green. See
Original instructions
Status
Normal set-up: signal level > 70%
2
Signal level 50% to 70%
Signal may be too low for reliable
operation; signal level < 50%
1
Normal phasing
Acceptable phasing
Poor phasing; clean scale and
recalibrate if required
Automatic Gain Control – On
Automatic Gain Control – Off
Calibrating incremental signals
Calibrating reference mark
Restore factory defaults
'Evaluation unit monitoring'
on page 14.
'Evaluation unit monitoring'
DOP interface set-up LED
Signal
Indication
Purple
Blue
Green
Orange
Incremental
Red
Red / blank - flashing
Blue / blank - flashing
Purple / blank - flashing
Reference
Blank flash
mark
on page 14.
Status
Alarm output
Normal setup; signal level 110%
to 135%
Optimum setup; signal level 90%
to 110%
Normal set-up: signal level 70%
to 90%
3
Signal level 50% to 70%
Signal may be too low for reliable
operation; signal level < 50%
Signal level < 20%; system
Yes
in error
Overspeed; system in error
Yes
Over signal; system in error
Yes
Reference mark detected
(speed < 100 mm/s only)
FS encoder system data
™
www.renishaw.com
No
No
No
No
No
No
39
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