54
7
DETAILS OF INPUT AND OUTPUT SIGNALS
The following device No. are those for station 1.
For stations 2 and later, the device No. are different. (Refer to the master unit manual for correspondence
between the device No. and station number)
7.1 Details of Remote Input and Output Signals
7.1.1 Output signals (master unit to inverter (FR-A7NC))
The output signals from the master unit are indicated. (Input signals to inverter)
*1
Signal names are initial values. Using
Pr. 180
to
Pr. 186, Pr. 188,
and
Pr .189
, you can change input signal functions.
Note that some of signals do not accept a command from the network according to the
Pr. 338
and
Pr. 339
settings.
(Refer to page 25.)
Signals of the RY0, RY1, and RY9 can not be changed. Even when changed using
Pr. 178, Pr. 179
, and
Pr. 187
,
the settings are invalid.
Refer to
the inverter manual (applied)
for details of
Pr. 178
to
Pr.189
.
Device
No.
Signal
Description
RY0
Forward rotation command
OFF : Stop command
ON : Forward rotation start
A starting command is input to the
inverter when the signal turns on.
A stop command is given when
both signals turn on simultaneously.
RY1
Reverse rotation command
OFF : Stop command
ON : Reverse rotation start
RY2
High-speed operation command (terminal RH function)
Functions assigned to terminals RH, RM, RL, JOG, RT, AU,
and CS are activated.
RY3
Middle-speed operation command (terminal RM function)
RY4
Low-speed operation command (terminal RL function)
RY5
Jog operation command (terminal Jog function)
RY6
Second function selection (terminal RT function)
RY7
Current input selection (terminal AU function)
RY8
Selection of automatic restart after instantaneous
power failure (terminal CS function)
RY9
Output stop
Turn on the MRS signal to stop the inverter output.
RYA
Start self-holding selection (terminal STOP function)
Functions assigned to terminal STOP and RES are activated.
RYB Reset (RES terminal function)
