8.4 Terminal Specifications
8-11
Chap. 8 SPECIFICATIONS
8.4 Terminal Specifications
8.4.1 Terminal functions
Main circuit and analog input terminals
Classifi-
cation
Symbol Name Functions
Related
function
codes
L1/R, L2/S,
L3/T
Connects a three-phase power supply.
(three-phase 230V, 460V)
L1/L, îš…,
L2/N
Main circuit
power input
Connects a single-phase power supply. indicates
the no connection terminal.
(Single-phase 230V)
U, V, W Inverter output Connects a three-phase induction motor.
P1, P(+) For DC reactor Connects a DC reactor.
P(+), N(-) DC link bus Connects a DC power device.
P(+), DB
For braking
resistor
Used for connection of the optional external braking
resistor. (Wiring is required even for the braking
resistor built-in type.)
Main circuit
G Grounding
Grounding terminal for inverter chassis
(Two terminals are provided.)
[13]
Potentiometer
power supply
Power supply (+10 VDC) for frequency command
potentiometer (Potentiometer: 1 to 5 k:)
Allowable maximum output current: 10 mA
Voltage input
(Normal
operation)
The frequency is set according to the external analog
input voltage.
0 to +10 VDC/0 to 100 %
0 to +5 VDC/0 to 100 % or +1 to +5 VDC/0 to 100 %
can be selected by function code setting.
(Inverse
operation)
+10 to 0 VDC/0 to 100 % (switchable by digital input
signal)
F18,
C32 to
C34
(PID control)
Used for reference signal (PID process command) or
PID feedback signal.
E61
(Frequency
auxiliary setting)
Used as additional auxiliary setting to various main
settings of frequency.
Analog input
[12]
Electric characteristics of terminal [12]
• Input impedance: 22 k:
•
Allowable maximum input voltage: 15 VDC
(If the input voltage is +10 VDC or over, the inverter assumes it to be
+10 VDC.)
E61
Current input
(Normal
operation)
The frequency is set according to the external analog
input current command.
+4 to +20 mADC/0 to 100%
(Inverse
operation)
+20 to +4 mADC/0 to 100 % (switchable by digital
input signal)
F18,
C37 to
C39
[C1]
(PID control)
Used for reference signal (PID process command) or
PID feedback signal.
E62
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