Renishaw ATOM Installation Manual page 46

Step 2 – Reference mark phasing
• Slowly move the readhead back and forth over the chosen reference mark until the readhead set-up LED stops flashing and remains green. The reference mark is now phased. The set-up signal (V
will be a nominal 3.3 V depending upon system set-up (see
NOTE: Only the chosen reference mark that has been used in the calibration routine is guaranteed to remain phased.
• The system automatically exits the CAL routine and is ready for operation.
• If the readhead set-up LED continues double-flashing blue after passing the chosen reference mark many times, it is not detecting the reference mark. Ensure that the readhead orientation and lateral
offset are correct.
Calibration routine – manual exit
• The calibration routine can be exited at any stage. Depending upon the interface used follow the relevant section in the table below to exit CAL mode.
No interface ACi interface
Ground the CAL pin Connect the CAL pads
for < 2 seconds. together or ground the
remote CAL line (pin 8)
for < 2 seconds.
• On successful exit, the readhead set-up LED will stop flashing blue and remain green.
46 ATOM linear encoder system
'Output specifications'on page 69).
Ri interface Ti interface
Press and hold the Press the CAL button on
CAL button on the the end of the interface
side of the interface for < 2 seconds.
for < 2 seconds.
)
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