56
DETAILS OF INPUT AND
OUTPUT SIGNALS
7.1.2 Input signals (inverter (FR-A7NC) to master unit)
The input signals to the master unit are indicated. (Output signals from inverter)
Device
No.
Signal
Description
RX0
Forward running
OFF : Other than forward running (during stop or reverse rotation)
ON : Forward running
RX1
Reverse running
OFF : Other than reverse running (during stop or forward rotation)
ON : Reverse running
RX2
Running (terminal RUN function)
Functions assigned to terminals RUN, SU, OL, IPF, FU, ABC1 and
ABC2 activate.
Refer to
page 58
for signals which can be assigned.
RX3
Up to frequency (terminal SU
function)
RX4
Overload alarm (terminal OL function)
RX5
Instantaneous power failure (terminal
IPF function)
RX6
Frequency detection (terminal FU
function)
RX7
Alarm (terminal ABC1 function)
RX8
(terminal ABC2 function)
RX9
(DO0 function)
Functions assigned to
Pr. 313
to
Pr. 315
are activated.
Refer to
page 58
for signals which can be assigned.
RXA
(DO1 function)
RXB
(DO2 function)
RXC
Monitoring
When the monitor command (RYC) is switched on, the monitor
value is set to RWr0,1,4 to 7 and monitoring (RXC) switches on.
Switched off when the monitor command (RYC) is switched off.
*1
Signal names are initial values.
Using
Pr. 190
to
Pr .196
, you can change output signal functions.
Refer to
the inverter manual (applied)
for details of
Pr. 190
to
Pr.196
.
*2
Signals are not assigned in the initial setting.
Refer to
Pr. 190
to
Pr. 196
of
the inverter manual (applied)
for details of signals.
