Westpow STR.B Series User Manual page 19

User Manual User Manual
Note: Note:
The way of inquire of the last error code shows at the chapter 9.7 The way of inquire of the last error code shows at the chapter 9.7
Fault inquiring. Fault inquiring.
If the fault appears, user can reset the fault using 3 methods showing below. If the fault appears, user can reset the fault using 3 methods showing below.
Press key and maintain 3 seconds.
Connect controlled terminals RET and COM, and maintain 3 seconds. Connect controlled terminals RET and COM, and maintain 3 seconds.
Shut down the power and power on again. Shut down the power and power on again.
12.2 12.2 Overload protection and protection level Overload protection and protection level
Overload protection function is worked during the process of starting and Overload protection function is worked during the process of starting and
running. running.
There are 8 protection levels. The default is 4(same as 15 in There are 8 protection levels. The default is 4(same as 15 in
IEC60974-4-2 standard). User can set this parameter according to the IEC60974-4-2 standard). User can set this parameter according to the
load situation, the smaller this parameter is, the shorter the starting load situation, the smaller this parameter is, the shorter the starting
time of protection is, vice verse. time of protection is, vice verse.
The level 2 can't be selected ( same as 10A in IEC60974-4-2 standard). The level 2 can't be selected ( same as 10A in IEC60974-4-2 standard).
For detail see the table 12-2 and standard curve graph of IEC60974-4-2. For detail see the table 12-2 and standard curve graph of IEC60974-4-2.
Multiple Multiple
Standard Standard
Level Level
2
Special
OPERATION 30
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the Last the Last
Table 12-1
Motor Thermal Protect Curve
T(s)
10000
1000
100
10
1
0.5
1.12 1.5 2.00 2.50 3.00 3.50 4.00 4.50 5.00 5.50 6.00 6.50 7.00 7.50 8.00
User Manual User Manual
30
25
20
15
10
10A
2
I/Ie
OPERATION 31
MENU