
4. SPECIFICATIONS
B–65162E/03
76
Table.4.1.3 (a) Spindle amplifier module
Model
Item
SPM–2.2 SPM–5.5
SPM–11
(Note)
SPM–15 SPM–22 SPM–26 SPM–30
SPM–45
(Note)
Rated output 13A 27A 48A 63A 95A 111A 133A 198A
Main circuit control method Sine–wave PWM control with transistor (IGBT) bridge
Feedback method Velocity feedback with pulse generator
Speed control range Speed ratio 1:100
Speed variation rate 0.1% or less of maximum speed (load variation: 10% to 100%)
Applicable motors
(typical examples)
α0.5
α1
α1.5 to
α3
α6
α8
αP12
α12
αP15
αP18
α15
α18
αP22
αP30
α22
αP40
αP50
αP60
α30
α40
NOTE
The SPM–11 or SPM–45 requires forced air cooling (See 2.2.3 (7) and sec. 7.1).
Table.4.1.3 (b) αC Series Spindle Amplifier Modules (SPMC)
Model
Item
SPMC–2.2 SPMC–5.5
SPMC–11
(Note)
SPMC–15 SPMC–22 SPMC–26
Rated output 13A 27A 48A 63A 95A 111A
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)
αC1
αC1.5
αC2
αC3
αC6
αC8
αC12
αC15
αC18
αC22
NOTE
When SPMC–11 is used, forced air cooling from the outside is required. See Chapter 7.
4.1.3
Spindle Amplifier
Module