Vacon 100 Flow
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6.2.1.2 Application example: 4 to 20 mA tracking control (using Default Wizard 6.2.1)
Parameter group
Description
Setting
Motor settings
Motor control
P3.1.2.3
Internal switching frequency
Modification if excessive motor noise
P3.1.2.4
Identification
Ad stand still (start within 30 sec)
Motor limits
P3.1.3.1
Current limit
Maximum permissible motor current ± 1.4x In
Start/Stop Settings
P3.2.4
Start function
Ramping (pump)/Running start (fan)
P3.2.5
Stop function
Freewheel (fan)/Ramping (pump)
References
Frequency reference
P3.3.1.5
I/O reference A
AI 2
I/O Configuration
Analogue input 2
P3.5.2.2.2
AI 2 signal filter time
0 sec.
P3.5.2.2.3
AI 2 signal range
2 to 10 V/4 to 20 mA
Protections
Motor thermal protection
P3.9.2.1
Calculated motor thermal
protection
no action
The 4 to 20 mA signal is connected to AI 2 on the 4 (+) and 5 (to) terminals.
The tracking control is started by connecting 8 (DI 1) to 6 (+24 V).
Make sure that dipswitch AI 2 is in the Current signal position (down).
Location and selection of dipswitch AI 2
