11
English
3. Installation
3-1. Name of each part
Read head
Cable
Connector
Detection surface
3-2. Head installation
Th
e detection signal sensor is built into read head where it is
marked with " ". Install the read head so that the " " mark is
always within the eff ective length of the scale unit.
Spacer
• To fasten the head, insert the accessory spacer between the
detection surface of the head and the scale, and install with
the accessory screws (M4
×
20).
• Tightening torque should be 0.7 N·m (7 kg·m) to 1.1 N·m
(11 kg·m).
• Aft er fi xing the head, remove the spacer.
• Aft er removing the spacer, move the scale throughout the
machine's travel and check that the detecting surface of the
head and the scale are not in contact.
• Aft er installing the head, use the accessory cable clamps to
securely fasten the cable where it extends from the head.
• Th
e relative positions of the scale unit and head unit should be
as shown in "3-4. Head unit and scale unit" .
3-3. Cable bending
If the cable is bent repeatedly, the radius of the curves should not
less than 100 mm.
