Parameter Details
12
12.8 L: PROTECTION
SIEPCYEUOQ2V01A Q2V Technical Manual 657
The drive follows the frequency reference and stops the motor.
2 : Run@L4-06PrevRef
The drive continues to operate at the frequency reference value set in L4-06 [Freq.Ref@RefLoss]. When you
return the external frequency reference value, the drive continues to operate with the frequency reference.
■ L4-06: Freq.Ref@RefLoss
No.
(Hex.)
Name Description
Default
(Range)
L4-06
(04C2)
Freq.Ref@RefLoss
Sets the frequency reference as a percentage to continue drive operation after it detects a
frequency reference loss. The value is a percentage of the frequency reference before the drive
detected the loss.
80.0%
(0.0 - 100.0%)
Set L4-05 = 2 [FrefLoss Det.Selection = Run@L4-06PrevRef] to enable this parameter.
■ L4-07: SpAgree Det.Selection
No.
(Hex.)
Name Description
Default
(Range)
L4-07
(0470)
SpAgree Det.Selection
Sets the condition that activates speed detection.
1
(1, 2)
1 : No Detect@BB
Detects the frequency while the drive is operating. When the drive turns off its output, it will not detect frequency.
2 : Always Detect
■ L4-08: Sp Agree Source Selection
No.
(Hex.)
Name Description
Default
(Range)
L4-08
(047F)
Sp Agree Source Selection
Sets the drive to use the soft starter output frequency or the motor speed (estimation value) for
speed detection.
1
(0, 1)
0 : SFS O/P (Reference)
1 : MotSpd (ActSpeed)
The setting for L4-08 has an effect:
• When you set detection conditions for oL3 [Overtorque 1], oL3 [Overtorque Detection 1], oL4 [Overtorque 2],
and oL4 [Overtorque Detection 2]:
– L6-01 = 1 [Trq Det1 Select = Enabled] and L6-50 = 1 [Trq Det1 Type = At Underload]
– L6-04 = 1 [Trq Det2 Select = Enabled] and L6-53 = 1 [Trq Det2 Type = At Underload]
• When you use speed agreement with Q2dev.
• When the MFDI terminals set for H1-xx = 65, 66 [Up2 Command, Dw2 Command] activate.
• When you set H2-xx [MFDO Function Select] to these functions:
Setting Value Function
F SpeedAgree1
10 USpeedAgree1
11 SpeedAgree2
12 USpeedAgree2
Setting Value Function
13 FreqDetect 1
14 FreqDetect 2
15 FreqDetect 3
16 FreqDetect 4
• When you use these functions for Modbus monitor data:
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