Mitsubishi Electric FR-E 500 Instruction Manual page 28

(2) Description of the control circuit terminals
Type Symbol
Forward
STF
rotation start
Reverse
STR
rotation start
RH, RM, Multi-speed
RL selection
MRS Output stop
RES Reset
Contact input
common and
external
SD
transistor
common
(sink*)
Power output
Contact input
PC
common
(source*)
Frequency
10 setting power
supply
Frequency
2 setting
(voltage)
Frequency
4 setting
(current)
Frequency
5 setting input
common
Note: Assign the AU signal to any of the terminals using the input terminal function selection
(Pr. 180 to Pr. 183).
* Used as a contact input signal common terminal by switching between sink logic and source
logic. (Refer to page 23.)
Terminal
Name
Turn on the STF signal to start forward
rotation and turn it off to stop.
Turn on the STR signal to start reverse
rotation and turn it off to stop.
Combine the RH, RM and RL signals as
appropriate to select multiple speeds.
Turn on the MRS signal (20ms or
longer) to stop the inverter output.
Used to shut off the inverter output to
bring the motor to a stop by the
electromagnetic brake.
Used to reset the protective circuit activated. Turn on the
RES signal for more than 0.1 second then turn it off.
When transistor output (open collector output), such as a
programmable controller (PLC), is connected, connect the
external power supply common for transistor output to this
terminal to prevent a fault caused by undesirable current.
Common to the contact input terminals. Common output
terminal for 24VDC 0.1A power output (PC terminal).
This terminal becomes common to the contact input
terminals when sink logic is selected.
Please see page 23 for the logic changing method.
This terminal can be used as a 24VDC, 0.1A power
output.
This terminal becomes external transistor common when
sink logic is selected.
Please see page 23 for the logic changing method.
5VDC, permissible load current 10mA
By entering 0 to 5VDC (0 to 10VDC), the maximum output
frequency is reached at 5V (or 10V) and I/O are
proportional. Use Pr. 73 to switch between input 0 to
5VDC (factory setting) and 0 to 10VDC. Input resistance
10kΩ. Maximum permissible voltage 20V.
By entering 4 to 20mADC, the maximum output frequency
is reached at 20mA and I/O are proportional. This input
signal is valid only when the AU signal (Note) is on. Input
resistance approximately 250Ω. Maximum permissible
current 30mA.
Common terminal for the frequency setting signal (terminal 2,
1 or 4) and analog output terminal AM.
Do not connect to the earth (ground).
INSTALLATION AND WIRING
Description
15
When the STF
and STR signals
are turned on
simultaneously,
the stop command
is given.
Input terminal
function choices
(Pr. 180 to
Pr. 183) change
terminal functions.