12.8 L: PROTECTION
656 SIEPCYEUOQ2V01A Q2V Technical Manual
1 : Dec Time 2 (C1-04)
◆ L4: SPEED DETECTION
L4 parameters set the output of signals to the MFDO terminals, for example frequency agree and speed detection.
■ L4-01: SpAgree Det.Level
No.
(Hex.)
Name Description
Default
(Range)
L4-01
(0499)
SpAgree Det.Level
Sets the level to detect speed agree or motor speed.
Determined by A1-02
(Determined by A1-02)
Sets the level to detect speed agree or motor speed when H2-01 to H2-03 = F, 10, 13, 14 [NO,NC,CM
FuncSelection to DO2-O2C Func Selection = SpeedAgree1, USpeedAgree1, FreqDetect 1, FreqDetect 2].
■ L4-02: SpAgree Det.Width
No.
(Hex.)
Name Description
Default
(Range)
L4-02
(049A)
SpAgree Det.Width
Sets the width to detect speed agree or motor speed.
Determined by A1-02
(Determined by A1-02)
Sets the width to detect speed agree or motor speed when H2-01 to H2-03 = F, 10, 13, 14 [NO,NC,CM
FuncSelection to DO2-O2C Func Selection = SpeedAgree1, USpeedAgree1, FreqDetect 1, FreqDetect 2].
■ L4-03: SpAgree Det.Level(+/-)
No.
(Hex.)
Name Description
Default
(Range)
L4-03
(049B)
SpAgree Det.Level(+/-)
Sets the level to detect speed agree or motor speed.
Determined by A1-02
(Determined by A1-02)
Sets the level to detect speed agree or motor speed when H2-01 to H2-03 = 11, 12, 15, 16 [NO,NC,CM
FuncSelection to DO2-O2C Func Selection = SpeedAgree2, USpeedAgree2, FreqDetect 3, FreqDetect 4].
■ L4-04: SpAgree Det.Width(+/-)
No.
(Hex.)
Name Description
Default
(Range)
L4-04
(049C)
SpAgree Det.Width(+/-)
Sets the width to detect speed agree or motor speed.
Determined by A1-02
(Determined by A1-02)
Sets the width to detect speed agree or motor speed when H2-01 to H2-03 = 11, 12, 15, 16 [NO,NC,CM
FuncSelection to DO2-O2C Func Selection = SpeedAgree2, USpeedAgree2, FreqDetect 3, FreqDetect 4].
■ L4-05: FrefLoss Det.Selection
No.
(Hex.)
Name Description
Default
(Range)
L4-05
(049D)
FrefLoss Det.Selection
Sets the operation when the drive detects a loss of frequency reference.
1
(1, 2)
Enables the detection of a loss of an analog frequency reference when MFAI terminals (AI1 and AI2) input the
frequency reference. Set H2-01 to H2-03 = 4B [MFDO Function Select = FreqRef Loss] to enable this function.
If the frequency reference is less than 10% in 400 ms, the drive detects frequency reference loss.
Figure 12.122 Detection of Frequency Reference Loss
1 : Stop
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