Led Diagnostics - Renishaw ATOM RTLF Series 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 Indication
1
Incremental (AGC off) Green
2
Orange
Red
CAL
Single-blue flashing
Double-blue flashing
Reference mark
Green (flash)
Blank (flash)
Red (flash)
Restore factory defaults Four blue flashes on switch on
Ti interface
Signal Indication
Incremental Purple
Blue
Green
Orange
Red
Red / blank - flashing
Blue / blank - flashing
Purple / blank - flashing
Reference mark Blank flash
¹
When AGC is enabled the LED indication will be as shown but with the addition of a blue indication.
2
When stationary will be green or red.
3
Flash will effectively be invisible when incremental signal level is > 70% when passing reference mark.
4
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 the ATOM ™ miniature encoder system data sheet (Renishaw part no. L-9517-9563) for more details.
• Momentary status only, while fault condition remains.
• Alarm may result in axis position error, re-datum to continue.
48 ATOM linear encoder system
Status
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
3
Normal phasing
Acceptable phasing
Poor phasing; clean scale and recalibrate if required
Factory defaults restored
Status
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)
Alarm output 4
NOTE: See
'Troubleshooting'
No
for more information on diagnosing faults.
No
No
No
No
Yes
Yes
Yes
No
on page 49