Lite-On Technology Corp.
Industrial Automation
208
Chapter 10
Specifications
10.1.
Standard specification for the servo drive
Model name of servo drive: ISA-7
100W
200W
400W
750W
1kW
1.5kW
2.0kW
010
020
040
075
100
150
200
Output
power
Rated voltage (Note 1)
Three phase 170VAC
Rated current [A] (Note
1)
0.9
1.7
2.8
5.8
6.0
10.0
11.0
Power supply input
of the main circuit
Voltage/frequency
Three phase AC 200 ~ 230V/50, 60Hz
Single phase AC 230V/50, 60Hz
Three phase 200VAC-230VAC,
50/60Hz
Rated current [A]
(Note 1)
0.7
1.5
2.6
3.8
5.0
8.0
10.5
Allowable voltage
variation
Three phase: 170 ~ 255 VAC
Single phase: 200 ~ 255 VAC
Three phase: 170 ~ 255 VAC
Allowable
frequency
variation
Maximum
5%
Power supply input
of the control
circuit
Voltage/frequency
Single phase 200VAC-240VAC, 50/60Hz
Rated current [A]
0.2
Allowable voltage
variation
Single phase 170VAC-255VAC
Allowable
frequency
variation
Maximum
5%
Power
consumption [W]
30
Power supply for interface
24VDC
10% (required current capacity: 0.5A)
Method for control of main circuit
Space-vector PWM control/current control method
Built-in regenerative resistor
Allowable regenerative power [W]
--
--
60
60
60
100
100
Dynamic brake
Built-in
Communication function
RS232/RS485
Output pulse of encoder
Compatible (A/B/Z-phase pulse)
Analog monitoring
Two channels are available. Use the parameter to set the monitoring signal (range of output voltage:
8V).
External control method
Pulse and analog signals
Position control
mode
Pulse frequency
of maximum
output
500k/4Mpulses/s (if the differential receiver is used) and 200kpulse/s (if the open collector is used)
Command pulse
mode
Pulse +symbol; A phase + B phase; CCW pulse + CW pulse
Command control
method
External pulse control
Command
smoothing
method
Low-pass and P-curve smoothing filter
Position feedback
pulse
Encoder resolution: 20 bits
Command pulse
rate
A/B rate of electronic gear, A: 1-16777215, B: 1-16777215, 1/10 < A/B < 4000
Width setting for
positioning
completion
0-
65535 pulses (command pulse unit)
Excessive error
± 10 rotation
Torque limit
Via the parameter or external analog input (0- +10 VDC/maximum torque)
Feed-forward
compensation
Parameter setting method
Speed control
mode
Speed control
range
Analog speed command 1:2000, internal speed command 1:5000
Bandwidth
Maximum 550Hz
Command control
method
Control of external analog command/control of internal register
Command
smoothing
method
Low-pass smoothing filter; S-curve smoothing filter
Input of analog
speed command
0-
10VDC/rated speed (may be changed via the parameter at 10V speed) (Input resistance: 10kΩ-12 kΩ)
Speed variation
ratio
Maximum
0.01% (load variation ratio: 0-100%), 0% (power variation ratio:
10%)
Maximum
0.2% (ambient temperature: 25°C
10°C); then the analog speed command is used
Torque limit
Via the parameter or external analog input (0- +10 VDC/maximum torque)
Torque control
Command control
Control of external analog command
