3.2 Electrical specifications
3-3
3. Wiring
Item
Content
EC main unit
controller part
PSA-200
○
Motor power
in-rush current
* 1
40°C 50 A
50°C 70 A
○
Control power
in-rush current
* 1
40°C 40 A
50°C 60 A
○
Momentary power
failure resistance
500 μs max.
○
Motor control
system
Sine wave PWM vector current control
○
Corresponding
encoder
(Position detector)
Battery-less absolute (resolution of 16384 p/r)
○
SIO teaching port
specifications
RS485 1 ch (Modbus protocol compliant)
○ PIO
Input
Numbe
of input
points
3 points (Forward, backward, alarm reset)
Input
voltage
24 V DC ±10%
Input
current
5 mA/time
Leakage
current
MAX. 1 mA per point
Isolation
type
Non-isolated
Output
Number
of output
points
3 points (Forwarding complete, backwarding
complete, alarm)
Output
voltage
24 V DC ±10%
Output
current
50 mA per point
Leakage
current
2 V or less
Isolation
type
Non-isolated
○
Data setting and
input methods
PC software,
Touch panel teaching pendant
○
Data retention
memory
Data and parameters are saved in the
nonvolatile memory.
(Unlimited number of write cycles)
* 1 In-rush current will flow for approximately 1 to 20 msec after the power is turned on.
The in-rush current may fluctuate depending on the impedance of the power supply line and
internal element temperature (thermistor).
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