N700 Operating Instructions and Parts Manual
2. Installation and Wiring
10
(1) Explanation of main circuit terminals
Symbol
Terminal Name
Explanation of contents
R, S, T (L1,L2,L3)
Main power
Connect alternating power supply. When using regenerative
converter and RG series, don’t connect.
U, V, W (T1,T2,T3) Inverter output
Connect three-phase motor.
PD, P (+1,+)
D.C.reactor
Remove the short bar between PD and P, connect optional
Power factor reactor (DCL-XX).
P, RB (+,RB)
External braking resistor
Connect optional External braking resistor.
(Please install the optional External braking resistor for 5.5~22
㎾ model.)
P, N (+,-)
External regenerative
braking unit
Connect optional External regenerative braking unit.
G
Inverter earth terminals
Grounding terminal.
Table 2- 2 Explanation of main circuit terminals
(2) Explanation of control circuit terminal
Symbol
Terminal Name
Explanation of contents
L
Analog power
common
It is common terminal of frequency command signal (O, O2, OI) and analogue output( AM,
AMI). Do not connect to ground.
Power
Source
H
Frequency power
It is the DC+10V power for terminals.
Allowable load current 20mA
O
Frequency
command power
terminal (voltage)
When inputting DC 0 ~ 10V, the maximum frequency goes
with 10V.
Input Impedance 14.4k ohm
Allowable maximum voltage
DC -3~+12V
O2
Frequency
command support
(voltage)
When inputting DC 0 ~ ±10V, this signal is added to
frequency command of 0 or 0I terminal.
Input Impedance 13k ohm
Allowable maximum voltage
DC 0~±12V
Freque
ncy setting
OI
Frequency
command
Terminal (current)
When inputting 4 ~ 20mA, 20mA is maximum frequency.
When only ‘AT’ terminal is ON, this input signal is effective.
Input Impedance 180 ohm
Allowable maximum current
24mA
AM
Analog monitor
(voltage)
Allowable maximum current
2mA
Analog
AMI
Analog monitor
(current)
DC 0~10V output voltage, 4~20mA output current :
Output one selected from monitor item, output frequency,
output current, torque, output voltage, input electric power,
electric thermal rate, LAD frequency
Allowable output less than
Impedance 250 ohm
Monitor
FM
Digital monitor
(voltage)
DC 0~10 voltage output(PWM output mode) :
Output the output frequency with digital besides above
monitor.
Allowable maximum current
1.2mA
Maximum frequency 3.6kHz
P24 Interface
power
It is DC24V power for connection input signal. When selecting
source logic, it’s for connection input common.
Allowable maximum output
current 100mA
Digit
a
l (connection)
Power
Source
CM1
Interface power
common
The common terminal is FW terminal, 1 - 8 terminal, TH terminal, FM terminal.
Do not connect to earth ground.