Hitachi S1 Series User Manual

S1 series standard inverter
-48-
V /F curve
Straight-type V/F curve
Multi-point V/F curve
Customized V/F curve
Torque-down V/F curve (power
2.0)
Torque-down V/F curve (power
1.7)
Torque-down V/F curve (power
1.3)
PWM output
Frequency setup
Voltage setup
P04.29 voltage acceleration time
P04.30 voltage deceleration time
P04.31 output max. voltage
P04.32 output min. voltage
P00.11 acceleration time 1
P00.12 deceleration time 1
P00.04 running frequency
upper limit
P00.05 running frequency
lower limit
P04.00 Motor 1 V/F curve setup
0 1 2 3 4 5 6 7 8
Keypad
AI1
MODBUS
PID
Multi-step speed
HDIA
AI3 AI2
P04.27（voltage setup channel）
P04.28
0 1 2 3 4 6 7 8
Keypad
AI1
MODBUS
PID
Multi-step speed
HDIA
AI3 AI2
P00.06
(A frequency command selection)
Keypad setting frequency
P00.10
0 1 2 3 4 5
5
When selecting customized V/F curve function, users can set the reference channels and
acceleration/deceleration time of voltage and frequency respectively, which will form a real-time V/F
curve through combination.

Hitachi S1 Series Specifications

General

Output Frequency	0 - 400 Hz
Overload Capacity	150% for 60 seconds
Frequency	50/60 Hz
Control Method	Sensorless Vector Control
Protection Functions	Overcurrent, Overvoltage, Undervoltage, Overheat, Short Circuit
Communication	RS485, Modbus RTU
Output Voltage	3-Phase 200-240VAC, 3-Phase 380-480VAC (Matches Input Voltage)
Cooling Method	Fan Cooled