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3. MOUNTING AND WIRING
3
−
8
CAUTION
The MR-HENC contains a glass disk and precision mechanism. Take care when handling it. The
encoder performance may deteriorate if it is dropped or subjected to shocks or vibration
exceeding the prescribed limits.
Do not connect the encoder directly to the rotating machine shaft. Always connect the encoder
through a flexible coupling.
MR-HENC
Coupling
Rotating machine shaft
Fig. 3.2 Connecting the Encoder to a Machine Shaft
Never hit the end of the MR-HENC coupling shaft with a hammer when connecting the coupling to
it.
The large loads applied to MR-HENC will damage it.
The MR-HENC uses optical parts. Install it in an atmosphere where there are extremely few
water drops and little oil and dust.
In any place where the MR-HENC is exposed to water and/or oil, provide protection from oil and
water, e.g. install a cover. In addition, run the cable downward to prevent oil and/or water from
running on the cable into the MR-HENC. When it is inevitable to mount the MR-HENC vertically
or obliquely, trap the cable.
Use the MR-HENC within the specified temperature range (0
C
to 55
C
).