User`s manual
204 • Vacon apfiff09 marine
Tel. +358
6
7.12.7
4mA Protection
The 4 mA protection monitors the analogue input signal level from Analogue input 1 and Analogue
input 2.
The monitoring function is active when signal range 4 mA 20 mA is selected. A fault or warning is
generated when the signal falls below 3.5 mA for 5 seconds or below 0.5 mA for 0.5 seconds.
P2.12.6.1 Response to the 4mA reference fault ID700
0 = No response
1 = Warning
2 = Warning, the frequency from 10 seconds back is set as reference
3 = Warning, the Preset Frequency is set as reference
4 = Fault, stop mode after fault according to Stop Function
5 = Fault, stop mode after fault always by coasting
P2.12.6.2 4mA reference fault: preset frequency reference ID728
If value 3 in parameter P2.12.6.1 is selected and a fault occurs the frequency reference
to the motor is the value of this parameter.