L4: Speed Detection - YASKAWA A1000 Series Quick Start Manual

No.
(Addr. Name
Hex)
L3-34 Torque Limit Delay
(016F) Time
Speed Agree Width at
L3-35
Intelligent Stall
(0747)
Prevention during
<10>
Deceleration
<1> The default setting and upper limit are determined by C6-01, Drive Duty Selection, and L8-38, Frequency Reduction Selection.
<2> The setting range is 0 to 2 in OLV/PM control mode. The setting range is 0 and 1 in CLV or AOLV/PM control modes.
<3> Default setting is determined by parameter E1-01, Input voltage Setting.
<4> Default setting is determined by parameter A1-02, Control Method Selection.
<5> Parameter value changes automatically if E2-11 is manually changed or changed by Auto-Tuning.
<6> Default setting is determined by parameters C6-01, Drive Duty Selection, and o2-04, Drive Model Selection.
<7> Default setting is determined by parameter E5-01, Motor Code Selection.
<8> Values shown are specific to 200 V class drives. Double the value for 400 V class drives. Multiply the value by 2.875 for 600 V class drives, but
set the value below 1040 Vdc (overvoltage protection level).
<9> Default setting is determined by parameter A1-02, Control Method Selection.
When A1-02 = 6 (AOLV/PM), default is 0.2
When A1-02 = 7 (CLV/PM), default is 0.02.
<10> Available in drive software versions PRG: 1018 and later.
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L4: Speed Detection

No.
(Addr. Name
Hex)
L4-01 Speed Agree Detection
(0499) Level
L4-02 Speed Agree Detection
(049A) Width
L4-03 Speed Agree Detection
(049B) Level (+/-)
L4-04 Speed Agree Detection
(049C) Width (+/-)
L4-05 Frequency Reference
(049D) Loss Detection Selection
L4-06 Frequency Reference at
(04C2) Reference Loss
L4-07 Speed Agree Detection
(0470) Selection
<1> Default setting is determined by parameter A1-02, Control Method Selection.
YASKAWA ELECTRIC TOEP C710616 41G YASKAWA AC Drive - A1000 Quick Start Guide
LCD Display
Sets the filter time constant in seconds for the torque limit value
to return to set value when the Power KEB Ride-Thru is enabled
(L2-29 = 1). If oscillation occurs during Power KEB Ride-
TRQ Dly Filter T
Thru, gradually increase this setting in increments of 0.010 s.
Note:
Sets the width of the speed agree when L3-04 = 2 (Intelligent
Stall Prevention during deceleration) in units of 0.01 Hz.
There is normally no need to change this parameter from the
IntDecSpdAgrWdth
default value.
Note:
LCD Display
L4-01 sets the frequency detection level for digital output
Spd Agree Level functions
H2-oo = 2, 3, 4, 5.
L4-02 sets the hysteresis or allowable margin for speed
detection.
Spd Agree Width
L4-03 sets the frequency detection level for digital output
Spd Agree Lvl+- functions
H2-oo = 13, 14, 15, 16.
L4-04 sets the hysteresis or allowable margin for speed
detection.
Spd Agree Wdth+-
Ref Loss Sel 0: Operate following the frequency reference.
0: Stop 1: Continue operation with reduced frequency reference.
1:
Run@L4-06PrevRef
Sets the percentage of the frequency reference that the drive
Fref at Floss should run with when the frequency reference is lost.
Freq Detect Sel 0: No detection during baseblock.
0: No Detection @BB 1: Detection always enabled.
1: Always Detected
Description
This parameter is not available in models
4A0930 and 4A1200.
This parameter is not available in models
4A0930 and 4A1200.
Description
B.8 L: Protection Function
Values Page
<9>
Default:
Min.: 0.000
Max.: 1.000
Default: 0.00 Hz
Min.: 0.00
Max.: 1.00
Values Page
Default: 0.0 Hz
Min.: 0.0
Max.: 400.0
<1>
Default:
Min.: 0.0
Max.: 20.0
Default: 0.0 Hz
Min.: -400.0
Max.: 400.0
<1>
Default:
Min.: 0.0
Max.: 20.0
Default: 0
Range: 0, 1
Default: 80.0%
Min.: 0.0
Max.: 100.0
Default: 0
Range: 0, 1
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