Operation Method; Types Of Operation Methods - Mitsubishi Electric FATEC FR-A800 Manual

2
UNDERSTANDING INVERTER SYSTEM
2.4

Operation method

2.4.1

Types of operation methods

The inverter can be operated with various signals. This section explains the operations (start, stop,
and speed variation) that can be operated with the inverter demonstration machine.
(1) External operation using external signals (D000 (Pr.79) = "0, 2")
Operate an inverter with a frequency setting potentiometer or start switch connected to the
control circuit terminals of the inverter.
MCCB
Power supply
Start/Stop
Multi-speed selection
by switching contacts
Frequency setting
potentiometer
Compensation input
potentiometer
External start or
stop signal
(STF, STR)
Inverter
MC
FR-A800
R
S
T
STF (STR)
SD
RH
RM
RL
10E
10
2
5
1
Operation by external signal
Fig. 2.3 External operation method
External frequency
setting signal
+
Frequency setting potentiometer
(potentiometer)
Contact signal (multi-speed setting)
Compensation input (potentiometer)
Motor
U
V
W
2.4 Operation method
1
2
3
4
M
5
6
7
8
9