Table of Contents
Advertisement
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
Green
Incremental (AGC off)
‡
Orange *
Red
Single-Blue flashing
CAL
Double-Blue flashing
Green (flash)
Reference mark
Blank (flash)
Red (flash)
Restore factory defaults
Four 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
Purple
Blue
Green
Orange
Incremental
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 ATOM
-Momentary status only, while fault condition remains.
-Alarm may result in axis position error, re-datum to continue.
NOTE: See
'Troubleshooting', page 31
for more information on diagnosing faults.
ATOM linear 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 scale and recalibrate if required
Factory defaults restored
Indication
Normal set-up; signal level 110% to 135%
Optimum set-up; 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
Overspeed; system in error
Over signal; system in error
Reference mark detected (speed < 100 mm / s only)
miniature encoder system data sheet (Renishaw part no. L-9517-9563) for more details.
™
Status
Status
Alarm output
No
No
No
No
No
Yes
Yes
Yes
No
30
Advertisement
Table of Contents
