L4 Frequency Reference Loss Detection - YASKAWA F7 Programming Manual

L4 frequency reference Loss Detection

L4-01 Speed Agreement Detection Level
Setting Range: 0.0 to 400.0 Hz
Factory Default: 0.0 Hz
L4-02 Speed Agreement Detection Width
Setting Range: 0.0 to 20.0 Hz
Factory Default: 2.0 Hz
Parameters L4-01 and L4-02 are user specified levels for use with the Fref/Fout Agree 1, Fref/Set Agree 1, and Freq Detect 1 & 2
digital output functions. Please refer to the section regarding the H2 Digital Outputs for more information.
L4-03 Speed Agreement Detection Level (+/-)
Setting Range: 0.0 to 400.0 Hz
Factory Default: 0.0 Hz
L4-04 Speed Agreement Detection Width (+/-)
Setting Range: 0.0 to 20.0 Hz
Factory Default: 2.0 Hz
Parameters L4-03 and L4-04 are user specified levels for use with the Fref/Fout Agree 2, Fref/Set Agree 2, and Freq Detect 3 & 4
digital output functions. Please refer to the section regarding the H2 Digital Outputs for more information.
%
Active Regen
A cti ve R egen
Torque Limit
Torque Li m i t
Active Regen
A cti ve R egen
Torque Limit
Torque Li m i t
x 0.5
x 0. 5
0
Fig. 89 Time Chart for Stall Prevention Level During Running
Programming 124
L3-12 -
L3-12
L3-12
L3-12 - VDC
V D C
30VDC
30V D C