
TONiC RESM20 Functional Safety installation guide and safety manual Original instructions
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T40x1 readhead and RESM20 compatibility
T40x1 readhead models are compatible with a range of RESM ring sizes. The optical configuration is optimised for the following conditions:
Published performance specifications and operating tolerances only apply where the correct readhead model conforms to the RESM size
range. Ensure readhead part number and RESM size range compatibility at the time of ordering and installation.
Reference mark position
IN-TRAC
™
reference mark is integrated in the scale, radially aligned with the centre of the mounting hole to the left of the ‘Renishaw’ logo
within ±0.5 mm. No external actuators or physical adjustment are required.
Readhead model
RESM20 diameter range (mm)
T4001
>135
T4011
60 to 135
T4021
52 to 59