Led Diagnostics - Renishaw ATOM Installation Manual

LED diagnostics

Readhead
The readhead set-up LED consists of a tri-coloured LED which can display any combination of Red, Blue or Green.
Signal
I ncremental Green
‡
(AGC off)
Orange*
Red
CAL Single Blue flashing
Double Blue flashing
Green (flash)
Reference mark
Blank (flash)
Red (flash)
Restore factory defaults 4 Blue flashes on switch on
*
When stationary will be Green or Red.
=
Flash will effectively be invisible when incremental signal level is >70% when passing reference mark.
‡
When AGC is enabled the LED indication will be as shown but with the addition of a Blue indication.
Ti interface
Signal Indication
I ncremental Purple
Blue
Green
Orange
Red
Red / blank - flashing
Blue / blank - flashing
Purple / blank - flashing
Reference mark Blank flash
*
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 product nomenclature for details.
-Momentary status only, while fault condition remains.
-Alarm may result in axis position error, re-datum to continue.
ATOM
rotary installation guide
Indication
Normal set-up; signal level >70%, AGC off
Acceptable set-up; signal level 50% to 70%, AGC off
Poor set-up; signal may be too low for reliable operation; signal level <50%, AGC off
Calibrating incremental signals
Calibrating reference mark
Normal phasing
=
Acceptable phasing
Poor phasing; clean disc and recalibrate if required
Factory defaults restored
Normal setup; signal level 110% to 135%
Optimum setup; signal level 90% to 110%
Normal set-up: signal level 70% to 90%
Acceptable set-up; signal level 50% to 70%
Poor set-up; signal may be too low for reliable operation;signal level <50%
Poor set-up; signal level <20%; system in error
Over speed; system in error
Over signal; system in error
Reference mark detected (speed <100 mm/s only)
Status
Status
Alarm output*
No
No
No
No
No
Yes
Yes
Yes
No
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