(H) Protective function parameter
Parameters
5 - 328
Adjusting the stall prevention operation signal output and output timing (OL signal, Pr. 157)
●
If the output current exceeds the stall prevention operation level and stall prevention is activated,
Overload warning (OL) signal will turn ON for 100 ms or more. The output signal turns OFF when
the output current falls to the stall prevention operation level or less.
●
Pr. 157 "OL signal output timer" can set whether to output the OL signal immediately, or to output
it after a certain time period.
●
This function also operates during regeneration avoidance operation
(overvoltage stall).
Pr. 157 setting
Description
0 (initial value)
Output immediately.
0.1 to 25
Output after the set time (s).
9999
Not output.
Tab. 5-123:
Setting of parameter 157
Fig. 5-140:
Output of the OL signal
I002515E
NOTES
OL signal is assigned to the terminal OL in the initial status. The OL signal can be assigned to other
terminals by setting "3 (positive logic) or 103 (negative logic)" in any of Pr. 190 to Pr. 196 (output
terminal function selection).
If the stall prevention operation has lowered the output frequency to 0.5 Hz and kept the level for
3 s, the stall prevention stop (E.OLT) is activated to shut off the inverter output.
Changing the terminal assignment using Pr. 190 to Pr. 196 (output terminal function selection)
may affect the other functions. Set parameters after confirming the function of each terminal.
Overload state
(OL operation)
OL output signal
Pr. 157 Set time (s)
Summary of Contents for FR-A820-00046 (0.4K)
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Page 144: ...System configuration for Ethernet communication FR A800 E Installation and wiring 2 114 ...
Page 202: ...Basic operation procedure JOG operation Basic operation 4 32 ...
Page 1090: ...Check first when you have a trouble Protective functions 6 50 ...
Page 1189: ...Appendix EC Declarations of Conformity FR A800 A 49 ...
Page 1190: ...EC Declarations of Conformity Appendix A 50 ...
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