Eaton DS7 Manual page 155

8.9.2.1 Local – State diagram for sizes 1 and 2
8.9.2.2 Local – State diagram for sizes 3 and 4
8.9.2.3 Local – S4: Operation
If a size 1 or 2 DS7-SWD soft starter is used with PNU 928.0 = 0, the state
diagram shown below will apply. The transition from S3 to S4 is automatic.
S3: Switched On
EN_Op = 1 EN_Op = 0
(Auto) (Auto)
S4: Operation
Figure 115: State diagram: Local (sizes 1 and 2)
If a size 3 or 4 DS7-SWD soft starter is used with PNU 928.0 = 0, the state
diagram shown below will apply. The transition from S3 to S4 takes place
when the EN control signal terminal is switched.
S3: Switched On
EN_Op = 1 EN_Op = 0
S4: Operation
Figure 116: State diagram: Local (sizes 3 and 4)
If a DS7-SWD of any size is used with PNU 928.0 = 0, the state diagram
shown below will apply. The transitions take place when the A1 control
signal terminal is switched.
S4.1: Idle Operation
Ramp Up
EN_Set = 1
S4.2 Ramping Up Operation
Top of Ramp
S4.4: TOR Operation
Figure 117: State diagram: Local – S4
DS7 Soft starter 09/16 MN03901001Z-EN www.eaton.com
Ramp Up
EN_Set = 1
S4.3: Ramping Down Operation
Ramp Down
EN_Set = 0
8 SmartWire-DT
8.9 Programming
Bottom
of Ramp
151