Operation and Display
MD280 User Manual
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Figure 4-18 Voltage input of AI1 connected to the potentiometer as the frequency source
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F2-08 2.00 V
F2-09 20.0%
F2-10 10.00 V
F2-11 0
F2-12 80.0%
F2-13 0.1s
F0-01 1
Running
frequency
Terminal
Function code
(default value)
10V
AI1
.
GND
Frequency
source selection
F0-18 0
Analog setting
Frequency
feature setting
F2-08 to F2-13: relationship between
AI1 setting and corresponding value
1
2
3
0-10 VDC
Potentiometer
2 kȍ
Default:
0.02-10 V corresponding to
0-50 Hz
AI
Corresponding
setting
80.0
60.0
40.0
20.0
0.00
2.00 4.00 6.00 8 .00 10 .00
F2-08
F2-09
F2-12
F2-10
2-10 V corresponding to10-40 Hz
F0-04 50.00 Hz
0.0
Unit: V
Unit: %
Figure 4-19 Current input of AI2 connected to 4DA module of the PLC as the frequency
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F0-01 2
Running
frequency
Terminal
Function code
default value
Frequency source
selection
F0-18 0
Frequency
feature setting
F2-14 to F2-19: relationship between AI2
setting and corresponding value
Default:
0-10 V corresponding
to 0-50 Hz
F2-14 4.0
F2-15 0.0%
F2-16 20.0
F2-17 0
F2-18 100%
F2-19 0.1s
AI
20.0
F2-14
F2-15
F2-18
4-20 mA corresponding to0-50 Hz
F0-
04 50.00Hz
16.012.08.04.0
100.0F2-18
0
80.0
60.0
40.0
20.0
0.0
Corresponding
setting
Unit: mA
Unit: %
V
I
Selection by
jumper J1
AI2
GND
Selection by
jumper J1
I: AI2 current input
V: AI2 voltage input
Note: Select the analog input
mode based on the output mode
of the D/A module.
A
4-20 mA
Note
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provides 0–10 V voltage input or 0–20 mA current input, determined by jumper J1 on the control
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2. When AI is used as the frequency source, 100% of the voltage or current input corresponding
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3. F2-11 and F2-17 can not be set to 1 at the same time. Otherwise, AI1 and AI2 will become
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function at the same time. Jumper J2 on the control board decides which one works.
5. Analog setting and the corresponding values are set in F2-08 to F2-19.
4.6.4 Pulse Setting as the Frequency Source
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signals are: voltage 9–30 V, frequency 0–50 kHz.
Only DI5 can be used for pulse input. The relationship between pulse input from DI5 and
the corresponding setting is set in F2-20 to F2-25. The relationship is a two-point line, and
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