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Mitsubishi Electric FR-F820-00046 Installation Manuallines Page 27

Fr-f800 series.
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2.4.4 Control logic (sink/source) change
Change the control logic of input signals as necessary.
To change the control logic, change the jumper connector position on the control circuit board. Connect the jumper con-
nector to the connector pin of the desired control logic.
The control logic of input signals is initially set to the sink logic (SINK) for the FM type.
The control logic of input signals is initially set to the source logic (SOURCE) for the CA type.
(The output signals may be used in either the sink or source logic independently of the jumper connector position.)
2.4.5 When supplying 24V external power to the control circuit
Connect the 24V external power supply across terminals +24 and SD. The 24V external power supply enables I/O termi-
nal ON/OFF operation, operation panel displays, control functions, and communication during communication operation
even during power-OFF of inverter's main circuit power supply.
During the 24V external power supply operation, "EV" flickers on the operation panel.
Applied 24V external power specification
Rated specification
Input voltage
23 to 25.5V DC
Input current
1.4 A
Jumper connector
Jumper position for sink logic


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