YASKAWA LA500, Technical Manual

Page: 307 / 376

Parameter
Details
12
12.6 H: Terminal Function Selection
YASKAWA SIEPYEULA5001C LA500 Technical Manual 307
Note:
•
To use the N.C. switch to input the fast stop command, set 17 (Fast Stop (N.C.)).
• Refer to C1-09: Fast Stop Ramp on page 290 for more information.
•
Set C1-09 [Fast Stop Time] to a correct deceleration time. If the deceleration time is too short, it can cause an overvoltage fault and
failure to stop the motor from coasting.
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17: Fast Stop (N.C.)
Setting Value Function Description
17 Fast Stop (N.C.)
Sets the command to ramp to stop in the deceleration time set in C1-09 [Fast Stop Time] when the input terminal is ON while
the drive is operating.
If you cancel the fast stop input, the drive will not restart the motor until you meet these conditions:
•
Fully stop the motor
•
Cancel the Run command
•
Cancel the fast stop command
Note:
• To use the N.O. switch to input the fast stop command, set 15 (Fast Stop (N.O.)).
•
Refer to C1-09: Fast Stop Ramp on page 290 for more information.
• Set C1-09 [Fast Stop Time] to a correct deceleration time. If the deceleration time is too short, it can cause an overvoltage fault and
failure to stop the motor from coasting.
Figure 12.8 shows an example of how fast stop operates.
Figure 12.8 Fast Stop Time Chart
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18: Timer Function Input
Setting Value Function Description
18 Timer Function Input
Triggers the timer set up by parameters b4-01 and b4-02 . Mist be set in conjunction with the timer function output [H2-xx = 2] .
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1A: Accel/Decel Time Selection 2
Setting Value Function Description
1 A Accel/Decel Time Selection
2
Set this function and H1-xx = 7 [Accel/Decel Time Selection 1] together. Sets the drive to use Acceleration/Deceleration Time 3
[C1-05, C1-06] or Acceleration/Deceleration Time 4 [C1-07, C1-08] .
Note:
Refer to C1: Accel & Decel Speed on page 288 for more information.
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20 to 2F: External Fault
Setting Value Function Description
20 to 2F External Fault
Sets a command to stop the drive when a failure or fault occurs on an external device.
WARNING! Incorrect Operation. Yaskawa recommends that you use H1-xx = 21, 23, 25, 27, 29, 2B, 2D, 2F [External Fault (N.
C.)]. If a circuit error occurs in the MFDI, the drive cannot stop the output when the terminal set to H1-xx = 20, 22, 24, 26, 28,
2A, 2C, 2E [External Fault (N.O.)] turns ON.
V/f OLV
V/f OLV
V/f OLV
V/f OLV