Westpow STR.B Series User Manual page 17

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9.7 Special Parameter 9.7 Special Parameter
Rate Current Rate Current
The Rate Current indicate that the output current of the soft starter at the The Rate Current indicate that the output current of the soft starter at the
rate power. This parameter changes with the output power of the soft rate power. This parameter changes with the output power of the soft
starter. For detail see chapter 10. The methods shows below. starter. For detail see chapter 10. The methods shows below.
On Ready state On Ready state , press , press key and not release, key and not release,
display on the keyboard, the unit is ampere. Release this key, system display on the keyboard, the unit is ampere. Release this key, system
return to Ready state return to Ready state . .
For example: rate current is 150A For example: rate current is 150A
Press Press °´
Figure 9-6
Last Fault Last Fault
On Ready state On Ready state , press , press key and release it 5 minutes later, the last key and release it 5 minutes later, the last
fault code display on the keyboard fault code display on the keyboard
state state . .
For example: the last fault is missing phase For example: the last fault is missing phase
Press Press (maintain 5 seconds) (maintain 5 seconds)
Figure 9-7
9.8 Working State 9.8
Working State
Ready Ready
When the soft Starter is power on, self-inspection is performed. The When the soft Starter is power on, self-inspection is performed. The
self-inspection includes: test the parameters that the user changed ( self-inspection includes: test the parameters that the user changed (
parameters wrong protection), check if the phase of voltage is not right parameters wrong protection), check if the phase of voltage is not right
( phase lack protection ) and check if the system temperature is too ( phase lack protection ) and check if the system temperature is too
high ( overheating protection ) etc. Any fault is detected, the system high ( overheating protection ) etc. Any fault is detected, the system
immediately enter Fault mode. If no fault is detected, the system immediately enter Fault mode. If no fault is detected, the system
enter the Ready state, and enter the Ready state, and
same time, the lamp on the left of the keyboard is light, it shows which same time, the lamp on the left of the keyboard is light, it shows which
start mode is. start mode is.
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and rate current and rate current
rate current rate current
. Release the key, return Ready . Release the key, return Ready
fault code fault code
shows on the keyboard panel. At the shows on the keyboard panel. At the
Setting Setting
When soft starter is in the Ready state, press the When soft starter is in the Ready state, press the
press this button 5 minutes, or press press this button 5 minutes, or press
time, system enter Setting state. In this state, use can modify all the time, system enter Setting state. In this state, use can modify all the
parameter. For detail see chapter 9 parameter. For detail see chapter 9
Starting Starting
When soft starter is in the Ready state, and it is allowed to start the When soft starter is in the Ready state, and it is allowed to start the
motor, then user can press motor, then user can press key to start the motor according to the key to start the motor according to the
starting mode user set. At the same time, current value shows on the starting mode user set. At the same time, current value shows on the
keyboard. At the process of Starting or running, user can press the keyboard. At the process of Starting or running, user can press the
key at any time to stop the motor, and then the system enter Ready key at any time to stop the motor, and then the system enter Ready
state. state.
In this state, the system monitors the parameter voltage phase, high In this state, the system monitors the parameter voltage phase, high
current suddenly, the time of starting and the system temperature etc. current suddenly, the time of starting and the system temperature etc.
So when the motor is running, soft starter can protect motor. So when the motor is running, soft starter can protect motor.
Bypass Bypass
After the starting process After the starting process is over, the terminals K22,K24 is close is over , the terminals K22,K24 is close
automatically. User can control bypass conductor KM by this terminals, automatically. User can control bypass conductor KM by this terminals,
then the motor is powered by electric net through the bypass conductor then the motor is powered by electric net through the bypass conductor
KM. Then the SCR trigger KM. Then the SCR trigger block according to the value of the para- block according to the value of the ara
meter meter (SCR trigger select) show in table 8-1. The code show on (SCR trigger select) shows in table 8-1. The code show on
the keyboard is depended parameter too.( The current value or the code the keyboard is depended parameter t
is showed ). is showed ).
Fault Fault
When soft starter is on the process of Starting, Operating and Ready When soft starter is on the process of Starting, Operating and Ready
state, system monitor all the protect parameter. If the value f mea- state, system monitor all the protect parameter. If the value of mea-
sured is over the limited value user set, the trigger signal of the SCR sured is over the limited value user set, the trigger signal of the SCR
module is blocked, system enters the Fault state. Fault code shows on module is blocked, system enters the Fault state. Fault code shows on
the keyboard. The explain of the fault code introduce in the chapter the keyboard. The explain of the fault code introduce in the chapter
12.1 fault display explanation and solutions 12.1 fault display explanation and solutions
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key and keep key and keep
key and key and key at the same key at the same
p -
s
oo .( The current value or the co de
o
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