Mitsubishi Electric FR-K-400-U Instruction Manual page 22

symbol
Terminal
I
Terminal name
Rating
Description
RUN-SE
SU-SE
Output terminal
controller operations
Output terminal for
correspondence of
frequencies
Power supply ter-
minal for control
circuit
Open-collector of
transistor
Allowable load
23V DC 0.1A
Exclusive terminal for
manufacturer check
Open-collector:
L
...
when the commanded frequency is above 3H
H
...
normally
Use power supply 24V DC with ripple voltage
within 10%.
Output terminal that indicates whether the actual
frequency corresponds to the preset frequency:
Open-collector:
L
...
corresponds
H
...
does not correspond
These terminals are connected internally with
input terminals R and S . To retain an alarm
display, disconnect from terminals R and S , and
connect external control circuit power supply
with terminals R1 and S1.
Fig. 7 Black Diagram