18 • vacon
Description of parameters
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4.6 Protections
2.6.1
Number of PT100 inputs in use
If you have a PT100 input board (OPTB8) installed in your BCU you can choose here the
number of PT100 inputs in use. See also the Vacon I/O boards manual.
Note: If the selected value is greater than the actual number of used PT100 inputs, the
display will read 200ºC. If the input is short-circuited the displayed value is –30ºC.
This parameter is visible only when there is OPTB8 option board installed in the
BCU.
2.6.2
PT100 Alarm limit (ID1347)
Set here the limit at which the PT100 alarm will be activated.
2.6.3
PT100 Fault limit (ID1348)
Set here the limit at which the PT100 fault will be activated.
2.6.4
Response to thermistor fault (ID1351)
0 = No response
1 = Warning
2 = Fault
Setting the parameter to 0 will deactivate the protection.
2.6.5
Response to External fault (ID1351)
0 = No response
1 = Warning
2 = Fault
This parameter defines a response to an external fault. If the BCU monitors state of the
external fault input (value of
> 0) and a fault occurs the drive can be set to
respond to the fault.
4.7 Keypad
control
3.1
Control place (ID125)
The active control place can be changed with this parameter.
0 = I/O terminal (default)
1 = Fieldbus