Option Name
Description
[8]
ETR trip 3
[9]
ETR warning 4
[10]
ETR trip 4
[21]
Advanced ETR
Parameter 1-91 Motor External Fan
Table 137: Parameter 1-91 Motor External Fan
1-91 Motor External Fan
Default value: Size related
Parameter type: Option
Setup: All setups
Conversion index: –
Data type: Uint8
Change during operation: True
Option Name Description
[0]
No
No external fan is required, that is the motor is derated at low speed.
[1]
Yes
Applies an external motor fan (external ventilation), so no derating of the motor is required at low speed. The
upper curve in
out
= 1 x f
M,N
) is followed if the motor current is lower than nominal motor cur-
rent (see
parameter 1-24 Motor Current
). If the motor current exceeds nominal current, the operation time still
decreases as if no fan was installed.
Parameter 1-93 Thermistor Resource
Table 138: Parameter 1-93 Thermistor Resource
1-93 Thermistor Resource
Default value: [0] None
Parameter type: Option
Setup: All setups
Conversion index: –
Data type: Uint8
Change during operation: True
N O T I C E
This parameter cannot be adjusted while the motor is running.
N O T I C E
Set digital input to
[0] PNP - Active at 24 V
in
parameter 5-00 Digital I/O Mode
.
Select the input to which the thermistor (PTC sensor) should be connected. An analog input option
[1] Analog Input 53
or
[2] Analog
Input 54
cannot be selected if the analog input is already in use as a reference source (selected in
parameter 3-15 Reference Resource
1
,
parameter 3-16 Reference Resource 2
, or
parameter 3-17 Reference Resource 3
).
Option
Name
Description
[0]*
None
[1]
Analog input 53
[2]
Analog input 54
[3]
Digital input 18
AU373327181955en-000101 / 130R1208
90 | Danfoss A/S © 2021.08
Parameter Descriptions
VLT® AutomationDrive EZ FC 321
Programming Guide
Содержание VLT AutomationDrive EZ FC 321
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