4-136
03-0X =50:
Unattended Start Protection (USP)
When input is active prevents inverter from starting automatically when a run command is present at time of
power-up. Please refer to Figure 4.4.24a for more details.
Power Supply
Run Command
Fault (Alarm)
Fault Reset
UPS Command
Output Frequency
t
t
t
t
t
t
UPS active on power-up.
UPS warning clears when
run command is removed.
UPS not active, when
fault is reset the inverter
restarts automatically.
When run command is off at
power-up and UPS is active
the inverter starts normally.
Figure 4.4.24a Unattended Start Protection
03-0X =51:
Mode switching between speed and position control.
Refer to the parameter description of 21-09 ~ 21-41
Input
Control
ON
Position Control
OFF
Speed Control
03-0X =52:
Multi Position Reference Enable
Refer to the parameter description of 21-09~21-41
03-0X =53:
2-Wire Self-holding Mode (Stop Command)
Refer to parameter description of 00-02 (2-wire operation with self-holding function)
03-0X =58:
Safety function
When safety function is on, the inverter will stop depending on the setting of 08-30 after the digital terminal is
active.
03-0X =62:
EPS function
EPS input is valid in a low voltage condition.
03-08
(S1~S8) DI scan time
Range
0:
scan time 4ms
1:
scan time 8ms
Set the digital input CPU scan time. The digital input signal needs to be present for the minimum scan time to
qualify as a valid command.
Note:
For noisy environments select scan time of 8ms (results in a slower response time).
