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B-8
2.3.2 Control circuit terminals (sink logic(minus common))
Terminal
symbol
Input /
output
Function
Electrical
specification
Inverter internal
circuit
F
Input
The motor rotates in forward direction if F and
CC are connected, while it slows down to a stop
if this Connection is broken. ( ST and CC are
connected).
R
Input
The motor rotates in reverse direction if R and
CC are connected, while it slows down to a stop
if this connection is broken. (ST and CC are
connected ).
ST
Input
The motor is on standby if ST and CC are
connected. It coasts to a stop (free-run stop) if
this connection is broken. This terminal can be
used for interlocking.
RES
Input
This inverter protective function is disabled if
RES are CC is connected. Shorting RES and
CC has no effect when the inverter is in a
normal condition.
S1
Input
The motor rotates at a preset speed if S1 and
CC are connected.
S2
Input
The motor rotates at a preset speed if S2 and
CC are connected.
S3
Input
The motor rotates at a preset speed if S3 and
CC are connected.
S4
Input
The motor rotates at a preset speed if S4 and
CC are connected.
No-voltage
contact input
24Vdc 5mA and less
Sink logic/
source logic
switchable
Sink input
ON :5Vdc or less
OFF:11Vdc or more
Source input
ON:11Vdc or more
OFF:5Vdc or less
PP
Output
Analog input setting power output.
10Vdc
Allowable load
current: 10mAdc)
RR
Input
Multifunction programmable analog input.
Factory default setting: 0 to 10Vdc input sets 0 to
80Hz frequency range.
10Vdc
(Internal impedance:
33k
VI
Multifunction programmable analog input.
Factory default setting: 2 to 10Vdc input sets 0 to
80Hz frequency range.
10Vdc
(Internal impedance
:33k
II
Input
Multifunction programmable analog input.
Factory default setting: 4 to 20mAdc input sets 0 to
80Hz frequency range.
4-20mA
(Internal impedance
:500
RX
Output
Multifunction programmable analog input.
Factory default setting: 0 to +/-10Vdc input sets 0
to +/-80Hz frequency range.
10Vdc
(Internal impedance
:69k
*Multifunction programmable contact input
ST-CC shorting bar
When using
contacts, choose
weak current
contacts to
avoid poor
contact.
V
o
lt
age
transfer
circuit