N700 Operating Instructions and Parts Manual
10. Explanation of O-Group
121
(4) FM signal type : o009 =3
①
FM (Frequency Modulated: Frequency modulation) signal is able to modulate FM
frequency according to the output frequency.
②
When selecting 3 (digital output frequency), please use digital frequency counter meter.
Fig. 10- 14 The waveform of FM signal (o009 = 3)
(5) FM
adjustment
It is used to reform a meter that is connected to FM terminal.
Code
Function name
Initial value
Unit
Setting range
Contents
o010
FM offset
-3.00
-
-3.00~10.00
Offset setting
o011
FM adjustment
80.0
-
0.0~255.0
Gain setting
Table 10- 18 FM offset and adjustment
[Adjusting method]
①
Connect an input meter for DC 0~10 V to FM - CM1 terminal.
②
Adjust FM to read the same meter as the output frequency.
Fig. 10- 15 When the output frequency is 60Hz, calibrate the value of o011 so that a
meter becomes 60Hz.