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2-2
2-1 System Design
WARNING Take safety measures outside the Cam Positioner to ensure safety for the entire
system in the event of Cam Positioner failure or error caused by factors external to
the Cam Positioner.
Faulty operation may result in a serious accident.
S Emergency stop circuits, interlock circuits, limit circuits, and similar safety mea-
sures must be included in control circuits outside the Cam Positioner.
S The Cam Positioner turns OFF all outputs when its self-diagnostic function detects
an error (ERROR is OFF), when TRIG input turns ON, or when RESET input turns
ON. Take safety measures outside the Cam Positioner to ensure safety for the en-
tire system in such an event.
S The Cam Positioner output may remain ON or OFF due to damage to an output
transistor or for some other reason. Take safety measures outside the Cam Posi-
tioner to ensure safety for the entire system in such an event.
2-1-1 Selecting the Resolver
There are four Resolver models available. Select the Resolver suitable for the application.
H Resolvers
Type Large-diameter High-torque Connector Lead-wire
Model 3F88L-RS17 3F88L-RS17T 3F88L-RS15 3F88L-RS15W
Axle diameter 10 mm 6 mm
Rated axle load Thrust load: 196 N max.
Radial load: 196 N max.
Thrust load: 98N max.
Radial load: 98 N max.
Total length 101 mm 110 mm 154 mm 97 mm
Attachment
method
Flange Connected to the servo.
Friction torque
12 mN S m max. 49 to 147 mN S m 2.9 mN S m max.
Connection to
Cam Positioner
Shown in diagram A. Shown in diagram
B.
Shown in diagram
C.
Note High-torque Resolvers have oil seals.
Design Chapter 2
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