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Control circuit specifications
2.3 Control circuit specifications
2.3.1 Control circuit terminal
(1) Input signal
(2) Output signal
(3) Communication
Type
Terminal
Symbol
Terminal Name Description Rated Specifications
Refer to
Page
24V external power supply
+24
24V external power
supply
Even when the main circuit power supply is OFF, FL
remote communication continues with the input from
the 24V external power supply.
Input voltage
23.5 to 26.5VDC
Input current
0.7A or less
23
SD
24V external power
supply common terminal
Common terminal for the terminal +24 — —
Safety stop
S1
Safety stop input
(Channel 1)
Terminal S1/S2 are safety stop signals for use with in
conjunction with an approved external safety unit.
Both terminal S1/S2 must be used in dual channel
form. Inverter output is shutoff depending on shorting/
opening between S1 and PC, S2 and PC.
In the initial status, terminal S1 and S2 are shorted
with terminal PC by shorting wire.
Remove the shorting wire and connect the safety
relay module when using the safety stop function.
Input resistance 4.7kΩ
Voltage when contacts are
open
21 to 26VDC
When contacts are short-
circuited
4 to 6mADC
24
S2
Safety stop input
(Channel 2)
PC
Safety stop input terminal
common
Common terminal for safety stop input terminals S1
and S2.
——
Type
Terminal
Symbol
Terminal Name Description Rated Specifications
Refer to
Page
Open collector
Y0
Open collector output Y0
(safety monitor output 2)
This terminal is switched to Low during the operation
with no internal safety circuit fault (E.SAF, E.6, E.7,
E.CPU). It is switched to High in operation statuses
other than above.
(Low indicates that the open collector output transistor
is ON (conducts). High indicates that the transistor is
OFF (does not conduct).)
Permissible load 24VDC
(maximum 27VDC) 0.1A
(a voltage drop is 3.4V
maximum when the signal
is ON)
24
SE
Open collector output
common
Common terminal of terminal Y0. — —
Connector Name Description
Refer to
Page
FL remote communication
connector
With the FL remote communication connector, FL remote communication can be performed. 48