
2.SPECIFICATIONS B-65282EN/05
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2.3.4 α
αα
αCi Spindle Amplifier Module (SPMC)
200-V input series
Model
Item
SPMC-2.2i SPMC-5.5i SPMC-11i SPMC-15i SPMC-22i
Rated output 13A 27A 48A 63A 95A
Main circuit control method Sine-wave PWM control with transistor (IGBT) bridge
Speed control range Speed ratio 1:50
Speed variation rate 1% or less of maximum speed (load variation: 10% to 100%)
Applicable motors
(typical examples)
αC1i
αC1.5i
αC2i
αC3i
αC6i
αC8i
αC12i
αC15i
αC18i
Sensors applicable to SPMC
The following lists combinations of an SPMC, sensor, and
function(s).
Configuration
12
Remarks
SPMC O OSpindle
system
configuration
Detector on the spindle α position coder O *1
Velocity control O O
Rigid tapping O
Orientation by a
position coder
O
Velocity
synchronization
O*2
Spindle
synchronization
Phase
synchronization
O*2
Function
Thread cutting O
*1 The spindle and detector must be interconnected in one-to-one
connection mode.
*2 Two motor amplifiers are required.