Danfoss VLT AQUA Drive FC 202 Programming Manual page 81

Parameter Description
4. The capacitor reconnect delay (default= 25 s with
a range from 1 s to 120 s, see parameter 5-80 AHF
Cap Reconnect Delay) is used for the minimum
off-time for the AHF Capacitor Output Function.
5. In case of power loss, the frequency converter
guarantees that the minimum off-time is satisfied
when power is restored.
100%
90%
80%
70%
60%
50%
40%
30% ....................................................................................................................................................................................................................
....................................................................................................................................................................................................................
20%
10% ...................................................................................................................................................................................................................
0%
On
10 20 30 40 50 60
Time (s)
Illustration 3.29 Example of the Output Function
t represents the off delay timer (10 s).
1
t represents the Capacitor Reconnect Delay
2
(parameter 5-80 AHF Cap Reconnect Delay).
When the nominal power of the frequency converter
exceeds 20%, the output function turns on. When the
power goes below 10% there is an off delay timer that
needs to expire before the output goes low, this is
represented by t . After the output goes low, the capacitor
1
reconnect delay timer needs to expire before the output is
allowed to be on again, represented by t
the nominal power is above 30% and the relay does not
turn on.
3.7.7 5-9* Bus Controlled
This parameter group selects digital and relay outputs via
a fieldbus setting.
5-90 Digital & Relay Bus Control
Range: Function:
0 [0 - This parameter holds the state of the digital
*
2147483647 ] outputs and relays that is controlled by bus.
MG20O702
Programming Guide
t t
1
2
70 80 90 100 110 120 130
. When t expires,
2 2
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5-90 Digital & Relay Bus Control
Range: Function:
A logical '1' indicates that the output is
high or active.
A logical '0' indicates that the output is low
or inactive.
Bit 0 CC Digital Output Terminal 27
Bit 1 CC Digital Output Terminal 29
Bit 2 GPIO Digital Output Terminal X
30/6
Bit 3 GPIO Digital Output Terminal X
30/7
Bit 4 CC Relay 1 output terminal
Bit 5 CC Relay 2 output terminal
Bit 6 Option B Relay 1 output terminal
Bit 7 Option B Relay 2 output terminal
Bit 8 Option B Relay 3 output terminal
Bit 9-15 Reserved for future terminals
Bit 16 Option C Relay 1 output terminal
Bit 17 Option C Relay 2 output terminal
Bit 18 Option C Relay 3 output terminal
Bit 19 Option C Relay 4 output terminal
Bit 20 Option C Relay 5 output terminal
Bit 21 Option C Relay 6 output terminal
Bit 22 Option C Relay 7 output terminal
Bit 23 Option C Relay 8 output terminal
Bit Reserved for future terminals
24-31
Table 3.12 Digital Output Bits
5-93 Pulse Out #27 Bus Control
Range: Function:
0 % [0 - 100 %] Contains the frequency to apply to the
*
digital output terminal 27, when it is
configured as [Bus Controlled].
5-94 Pulse Out #27 Timeout Preset
Range: Function:
0 % [0 - 100 %] Contains the frequency to apply to the
*
digital output terminal 27, when it is
configured as [Bus Controlled Timeout] and
time-out is detected.
5-95 Pulse Out #29 Bus Control
Range: Function:
0 % [0 - 100 %] Contains the frequency to apply to the
*
digital output terminal 29, when it is
configured as [Bus Controlled].
3 3
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