Softstarter states
The softstarter has several operational states, in which
different functions are available.
Functions can be operational in one or more softstarter
states. If a function is not operational in all states, this is
noted in the respective function description.
The softstarter has the following states:
•
Individual function
•
Pre-start
•
Stand by
•
Start ramp
•
Stop ramp
•
TOR (Top of ramp)
Pre-start
In
Pre-start state the softstarter runs functions that are
intended to run before the softstarter goes into Start ramp
state. A pre start function runs during a configurable pre
set time. Then the softstarter continues to Start ramp
state:
Pre-start functions are:
•
Motor heating
•
Stand still brake
•
Slow speed forward
•
Slow speed reverse
The pre-start functions can also be run as individual
functions.
Start ramp
In Start ramp state the softstarter runs different
settable
start functions to soft start a motor by controlling the
output voltage or torque.
The Start ramp ends and goes
into Top of ramp state when the output voltage reaches
100 % voltage.
Settable
start functions are:
•
Voltage start ramp
•
Tourqe start ramp
•
Full voltage start ramp
Stop ramp
In Stop ramp state the softstarter runs stop functions
to soft stop a motor by controlling the output voltage or
torque.
The stop ramp state ends and goes into stand by
state when the output voltage reaches the pre-set Stop
ramp end level.
Settable
stop functions are:
•
Voltage stop ramp
•
Tourqe stop ramp
•
No ramp
Top of ramp
When the motor reaches Top of ramp, (100 % nominal
speed) the softstarter closes the by-pass and do not
control the motor. In Top of ramp state the softstarter only
runs diagnostics.
Stand by
In Stand by state the softstarter runs no functions except
diagnostics.
Individual function
In Individual function state, the softstarter runs individual
functions.
Individual functions are:
•
Motor heating
•
Stand still brake
•
Slow speed forward
•
Slow speed reverse
7
Phone: 800.894.0412 - Fax: 888.723.4773 - Web: www.clrwtr.com - Email: info@clrwtr.com
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