Mitsubishi Electric FR-A800 Series Beginner's Manual page 38

Control terminals
The following illustration shows the connection of the control terminals when sink logic (factory de-
fault for FM types) is used. The inputs are connected to 24 V DC.
FR-A820/A840/A846
FR-A842
The manuals of the individual frequency inverters also include diagrams showing the connections for
controlling the inverter inputs with PLC outputs and with source logic.
3 - 6
Start self-holding selection
Multi speed selection
Second function selection
Terminal 4 input selection
Selection of automatic restart
Contact input common
Frequency setting
1 kΩ / 2 W
Frequency setting current signal
0/4–20 mA DC
Auxiliary input
Converter
unit
Start self-holding selection
Multi speed selection
Second function selection
RDA RDA
RSO RSO
Terminal 4 input selection
Selection of automatic restart
Contact input common
SE SE
Frequency setting
1 kΩ / 2 W
Frequency setting current signal
0/4–20 mA DC
Auxiliary input
Forward
Reverse
Jog operation
Output stop
RESET
24 V DC power supply
Forward
Reverse
Jog operation
Output stop
RESET
24 V DC power supply
Connections
STF STF
STR STR
STP STP
RH RH
RM RM
RL RL
Inverter
JOG JOG
RT RT
MRS MRS
RES RES
AU AU
CS CS
SD SD
PC PC
10 10
2
5
4
1
STF STF
STR STR
STP STP
RH RH
RM RM
RL RL
JOG JOG
RT RT
MRS MRS
Inverter
RES RES
AU AU
CS CS
SD SD
PC PC
10 10
2
5
4
1