Two-Speed Applications - Rockwell Automation SMC Dialog Plus User Manual

Figure 3.21 Typical Wiring Diagram for Two-speed Applications
3-Phase
Input Power
Branch
Protection ➀
➀
Stop ➀
Low
High
➀
1 sec.
1 sec.
➂
11 12 13 14 15
SMC Dialog Plus
Control Terminals
21 22 23 24
①
②
③
L1/1
L2/3
L3/5
SMC Dialog Plus
Controller
Fast-acting
➀
SCR Fuses
(optional) ➀
➀
➀
➀
H
L
L
➀
➀
L
H
H
➀
L
➀
H
➀
16 17 18
25 26 27 28
Customer supplied.
Two-speed, consequent pole installations.
Refer to the controller nameplate to verify the rating of the control power input voltage.
Wiring
L
T1/2
T2/4
T3/6
H
Two-speed Motor Starter ➀
LOL ➀
HOL ➀
➀
➀
19 20
Internal
Auxiliary
Contacts
29 30
3-17
H
➁
H
➁
➀
M