Readhead Mounting And Alignment - Renishaw QUANTiC RTLC40 Installation Manual

Readhead mounting and alignment

Mounting brackets
The bracket must have a flat mounting surface and should provide adjustment to enable conformance to the
installation tolerances, allow adjustment to the rideheight of the readhead, and be sufficiently stiff to prevent
deflection or vibration of the readhead during operation.
Readhead set-up
Ensure that the scale, readhead optical window and mounting face are clean and free from obstructions.
NOTE: When cleaning readhead and scale apply cleaning fluid sparingly, do not soak.
To set nominal rideheight, place the spacer with the aperture under the optical centre of the readhead to allow
normal LED function during set-up procedure. Adjust the readhead to achieve a flashing Green LED along
the full axis of travel. The faster the flash rate, the closer it is to optimum set-up. The optional Advanced
Diagnostic Tool ADTi-100 (A-6195-0100) and ADT View software can be used to optimise signal strength in
www.renishaw.com/adt
challenging installations. See
NOTE: When re-installing the readhead factory defaults should be restored
Pitch
0° ±1°
Black spacer
QUANTiC RTLC40 / FASTRACK installation guide
for more information.
(page 14).
Readhead set-up LED status
Yaw
0° ±0.9°
Green Orange
flashing flashing flashing
Roll
0° ±0.8°
Rideheight 1.9 ±0.17 mm
from FASTRACK top surface
Readhead LED diagnostics *
Mode
Installation
mode
Calibration
mode
Normal
operation
Alarm
Red
*
See 'Troubleshooting', page 15
LED
Green flashing Good set-up, maximise flash rate for optimum set-up
Orange flashing Poor set-up, adjust readhead to obtain Green
flashing LED
Red flashing Poor set-up, adjust readhead to obtain Green
flashing LED
Blue single flashing Calibrating incremental signals
Blue double flashing Calibrating reference mark
Blue AGC on, optimum set-up
Green AGC off, optimum set-up
Red Poor set-up; signal may be too low for reliable
operation
Blank flash Reference mark detected
(visible indication at speed < 100 mm/s only)
Four red flashes Low signal, over signal, or overspeed;
system in error
Red and Purple AGC out of normal operating range
flashing (analogue
variant only)
for more information on diagnosing faults.
Status
12