
B–65162E/03
11. OPTION RELATED TO SPINDLE
521
The switching unit uses an electromagnetic contactor outside the spindle
amplifier module to switch power lines for spindle switching control for
two motors or for speed range switching control for a motor in the
following cases:
D Switching a power line from one motor to another motor (spindle
switching control)
D Switching a power line for a motor which has two types of windings
(speed range switching control)
NOTE
This unit cannot be used for αC series.
Specification No. Application
Applicable
amplifier
A06B–6078–K034
For spindle switching control and for speed
range switching control (Type B)
SPM–15 or
A06B–6078–K035 For speed range switching control (Type A)
A06B–6078–K036
For spindle switching control and for speed
range switching control (Type B)
SPM–30 or
A06B–6078–K037 For speed range switching control (Type A)
NOTE
Type A : Switching the connection for the motor winding.
Type B : Switching the connection for the motor winding.
11.7
SWITCHING UNIT
11.7.1
General
11.7.2
Specification No.