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20
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Operation Instruction of S900 E Series Inverter
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21
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Type Terminal
Symbol
Terminal Name
Description
Refer
to page
Contact input
FWD
Forward
rotation start
Turn on the FWD signal to start
forward rotation and turn it off
to stop. (multifunctional input
terminal)
35
REV
Reverse
rotation start
Turn on the REV signal to start
reverse rotation and turn it off
to stop. (multifunctional input
terminal)
35
S1
multifunctional input terminal 1
35
S2
multifunctional input terminal 2
35
S3
multifunctional input terminal 3
35
S4
multifunctional input terminal 4
35
Frequency setting
+10V
Frequency
setting power
supply
Frequency setting power supply.
(FIV, FIC)
36
FIV
Frequency
setting(voltage)
Inputting 0 to 10VDC provides
the maximun output frequency at
10V and makes input and output
proportional.
36
FIC
Frequency
setting(current)
Inputting 0 to 20mADC provides
the maximun output frequency
at 20mA and makes input and
output proportional.
36
GND
Frequency
setting
common
Common terminal for terminals
FIV, FIC, +10V, and analog
output terminal FOV, FOC
36
(2) Output signals
Type Terminal
Symbol
Terminal Name
Description
Refer to
page
C
on
ta
ct
output
MO1
Multifunction
output terminal
(optical coupling)
Permissible load 24VDC 0.1A
36
Contact output
RA
Relay out 1
RC:common
RB:NC 250VAC/3A
RA:NO 30VDC/3A
36
RB
RC