5-55
Continued
n161: Power Supply Detection Hold Width
When the power fluctuation is less then this value, the output voltage is held for three seconds and
then the search operation mode is activated.
n162: Power Supply Detection Filter Time Constant
Decreasing this value increases response during a load fluctuation. However, at low frequency,
unstable operation will occur when this value is set too low.
n077: Multi-Function Analog Input Selection
The 2CN input terminal on the digital operator can be used as an auxiliary analog input
(0 –10V or 4 – 20 mA). The Analog Input Connector/Cable Assembly option (DS082) is required for
interface with 2CN on the digital operator.
Factory Setting: 0
Range: 0 to 4
5.32 MULTI-FUNCTION ANALOG INPUT SELECTION
Factory Setting: 5 (x4ms)
Range: 0 to 255 (x4ms)
Factory Setting: 10%
Range: 0 to 100%
Setting
Description
0
Multi- Function Analog Input is disabled
1
Auxiliary Frequency Reference (FREF2)
2
Frequency Reference Gain (FGAIN)
3
Frequency Reference Bias (FBIAS)
4
Output Voltage Bias (VBIAS)
5.31 ENERGY SAVING CONTROL
1) Auxilary Frequency Reference (n077=1)
When multi-function analog input
(n004 = 7 or 8) is selected, 2CN on the digital
operator becomes the speed reference input.
If n004 is set to any other data value, the 2CN
auxiliary analog input is determined by the
selection of Command A.
2) Frequency Reference Gain (n077=2)
Frequency reference is multiplied by FGAIN,
after frequency reference gain (n060 (terminal
FR) or n074 (terminal RP)) and frequency refer-
ence bias (n061 (terminal FR) or n074 (terminal
RP)) are used to calculate a master speed ref-
erence input at terminals FR or RP
Содержание SI-T/ V7
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