Parameter Description MD280/MD280N User Manual
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6 PID
7
AI1ˇAI2
8
Communication setup
When the auxiliary frequency source is used as independent frequency
reference channel (i.e. frequency source switching from X to Y”), it is used
in the same way as the main frequency source X.
When the auxiliary frequency source is used as overlap reference (i.e.
frequency source selection switching from X plus Y or X to X plus Y), it has
special points as follows:
1. When the auxiliary frequency source is digital reference, the preset
frequency (F0-08) has no action, and it needs to adjust the main reference
frequency through the keys “Ÿ”and “ź” of the keyboard (or UP and DOWN
of multifunctional input terminals).
2ǃWhen the auxiliary frequency source is analog input reference (AI1, AI2)
or pulse input reference, 100% of input setup is relative to the auxiliary
frequency source range (refer to F0-16 and F-17). To adjust the main
reference frequency, it needs to set the corresponding setup range of
analog input to “-n% to n% (refer to F2-08F2-19).
3. When the frequency source is pulse input reference, it is similar to the
analog value.
Prompt: There is difference between the auxiliary frequency source Y
selection and the main frequency source X setup value. That is to say, the
main and auxiliary frequency sources cannot use the same frequency
reference channel.
Auxiliary Frequency
source Y relative
value selection
Factory
default value
0
0 Relative to maximum frequency
F0-16
Setup
Range
1 Relative to frequency source X
Auxiliary Frequency
source Y
Factory
default value
0
F0-17
Setup
Range
0% to 150%
When the frequency source selection is frequency overlap reference
(F0-18 is set to 1 or 3), it is used to determine the adjustment range of
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