Item Specifications
Con-
trol
Starting torque
• 150% min. / Rated speed of 10%
V/f control (IM motor)
V/f control (slip compensation)
V/f control with speed sensor (IM motor)
• 200% min./0.5 Hz
Vector control without speed sensor (dynamic vector control) (IM motor)
V/f control with speed feedback (Automatic torque boost)
Sensorless vector control
• 200% min./0.0 Hz (0 Hz torque control)
Vector control with speed sensor (IM motor)
V
ector control with speed and pole position sensor (PM motor)
To obtain 200% starting torque at low speed, consider raising the capacity of the
inverter to the next higher capacity.
• 200% min. / Rated speed of 10%
Vector control without speed and pole position sensor (PM motor)
To obtain these starting torques at low speed, the capacity of the inverter and
motor must be taken into consideration.
The maximum torque that can be used is limited when the current capacity match-
ed to the mode is exceeded.
Current capacity of 200% in HHD mode, 150% in HD mode, and 120% in HND and
ND modes
Protective function Overcurrent, Overvoltage, Undervoltage, Electronic thermal, Temperature error,
Ground-fault current at power-on, Inrush current protection circuit, Overload limit,
Incoming overvoltage, External trip, Memory error, CPU error, USP error, Commu-
nication error, Overvoltage suppression during deceleration, Power interruption
protection, Emergency shutoff, etc.
Input
sig-
nal
Frequency settings Operator
External analog input signal (variable resistor/0 to 10 VDC/-10 to 10 VDC/4 to 20
mA), Modbus communication
RUN/STOP com-
mand
Operator
External digital input signal (3-wire input available), Modbus communication
Multi-function In-
put
*3
Seven points (DI1 to DI7, Functions can be selected from among 101)
Analog input
*4
Two points (voltage AI1 terminal: 10 bits/-10 to 10 VDC, voltage AI2 (AIV) terminal:
10 bits/0 to 10 V
, current AI2 (AII) terminal: 10 bits/4 to 20 mA or 0 to 20 mA)
Pulse input One point (A, B, Z phases can be input, max. 32 kHz, 5 to 24 VDC)
Out-
put
sig-
nal
Multi-function out-
put
*3
T
wo points (DO1 and DO2, Functions can be selected from among 92)
Relay output
*3
One point (SPDT contact (ROA, ROB, ROC), Functions can be selected from
among 92)
Analog output
*5
One point (AO (AOV) terminal: Voltage 10 bits/0 to 10 V, AO (AOI) terminal: Cur-
rent 10 bits/4 to 20 mA or 0 to 20 mA, AO (PO) terminal: Max. 32 kHz, 0 to 1
1 V)
Pulse output
Com
mu-
nica-
tions
RS-485 RJ45 connector (for Digital Operator)
RS-485 Control circuit terminal block, Modbus communication
USB USB 2.0, Micro-B connector
1 Overview
1-16
M1 Series Standard Type User's Manual (I669)
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