YASKAWA SGDA series - Page 309

SERVO SELECTION AND DATA SHEETS
5.5.1 Selecting Peripheral Devicescont.
298
from (c)
5) Select magnetic contactor and
surge suppressor.
Magnetic
contactor
HI−15E5
D Use one 30 A magnetic contactor for a single
Σ Series, regardless of capacity.
For multiple servo systems, select the
magnetic contactor according to the total
capacity.
Surge
Suppressor
CR50500BL
D This is the surge suppressor for HI-15E5,
shown above.
6) Select regenerative unit.
D Vertical axis
D Exceeding 3000 r/min.
D Load inertia exceeds 30 times
motor inertia (50 to 200 W(0.07 to
0.27 HP), or 20 times motor inertia
(400 W(0.53 HP), 750 W(1.01HP)).
D Frequent acceleration/deceleration
(once per second, or more).
Not application I to IV
Regenerative unit not
needed
End peripheral device selection
Application I to IV
Investigate regenerative unit capacity
using AC Servomotor sizing software.
Result of investigation
into regenerative unit?
Applicable
No regenerative unit
required.
Add
regenerative unit
Regenerative unit
JUSP−RG08
Type of application?
I
II
III
IV
ItoIV
JUSP−RG08C
5