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Inputting the Frequency Reference Using Voltage (Analog Setting)
When b1-01 is set to 1, you can input the frequency reference from control circuit terminal A1 (voltage input),
or control circuit terminal A2 (voltage or current input).
Inputting Master Speed Frequency Reference Only
When inputting a voltage for the master speed frequency reference, input the voltage to control circuit termi-
nal A1.
Fig 6.2 Voltage Input for Master Speed Frequency Reference
When inputting a current for the master speed frequency reference, input the current to control circuit terminal
A2, input 0Vto terminal A1, set H3-08 (Multi-function analog input terminal A2 signal level selection) to 2
(current input), and set H3-09 (Multi-function analog input terminal A2 function selection) to 0 (add to termi-
nal A1).
Fig 6.3 Current Input for Master Speed Frequency Reference
Turn ON pin 2 of DIP switch SW1 (toward I), the voltage/current switch, when inputting a current to terminal
A2. Turn OFF pin 2 of DIP switch SW1 (toward V), the voltage/current switch, when inputting a voltage to ter-
minal A2. Set H3-08 to the correct setting for the type of input signal being used.
IMPORTANT
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+V Power supply: 15 V,
20 mA
Master speed frequency
2 kΩ
A1
reference
Master speed frequency
A2
reference
A3
Auxiliary speed frequency
reference 1
AC Analog common
+V
Power supply: 15 V,
20 mA
Master speed frequency
A1
reference
4 to 20-mA input
Master speed frequency
A2
reference
A3
Auxiliary speed frequency
reference 1
AC Analog common
Inverter
(voltage input)
(current input)
Inverter
(voltage input)
(current input)
1
DIP switch
2
S1
V
I
Frequency Reference
3
6-
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Troubleshooting
