n
b3-18: Speed Search Restart Detection Time (Speed Estimation Type)
Sets the time for which the current must be above the level set in b3-17 before restarting Speed Search.
No.
Name
Setting Range
Default
b3-18
Speed Search Restart Detection Time
0.00 to 1.00 s
0.10 s
n
b3-19: Number of Speed Search Restarts (Speed Estimation Type)
Sets the number of times the drive should attempt to find the speed and restart the motor. If the number of restart attempts
exceeds the value set to b3-19, the SEr fault will occur and the drive will stop.
No.
Name
Setting Range
Default
b3-19
Number of Speed Search Restarts
0 to 10
3
n
b3-24: Speed Search Method Selection
Sets the Speed Search method.
In V/f control mode, set this parameter to 2 (Current Detection Type Speed Search 2) when b3-50 is 0.1 or longer.
No.
Parameter Name
Setting Range
Default
b3-24
Speed Search Method Selection
1, 2
Determined by
A1-02 and o2-04
Setting 1: Speed Estimation
Setting 2: Current Detection 2
Note:
1.
Enable or disable Speed Search at start with b3-01 and Speed Search after momentary power loss with L2-01.
2.
Refer to Current Detection Speed Search 2 (b3-24 = 2) on page 23
Refer to Speed Estimation Speed Search (b3-24 = 1) on page
for details on the Speed Search direction.
n
b3-25: Speed Search Wait Time
Sets the wait time between Speed Search restarts. Increase the wait time if problems occur with overcurrent, overvoltage, or
if an SEr fault occurs.
No.
Name
Setting Range
Default
b3-25
Speed Search Wait Time
0.0 to 30.0 s
0.5 s
n
b3-27: Start Speed Search Select
Selects a condition to activate Speed Search Selection at Start (b3-01) or External Speed Search Command 1 or 2 from the
multi-function input.
No.
Name
Setting Range
Default
b3-27
Start Speed Search Select
0, 1
0
Setting 0: Triggered when a Run Command Is Issued (Normal)
Setting 1: Triggered when an External Baseblock Is Released
n
b3-29: Speed Search Induced Voltage Level
Lower this value in small increments if changes are necessary. Setting this value too low will prevent the drive from performing
Speed Search. There is normally no need to change this parameter from the default value.
No.
Name
Setting Range
Default
b3-29
Speed Search Induced Voltage Level
0 to 10%
10%
n
b3-31: Speed Search Operation Current Level 1 (Current Detection Type 2)
Sets the current level used to limit the output current during Current Detection Type Speed Search 2 as a ratio to E2-03, Motor
No-Load Current.
1.2 b: Application
YASKAWA ELECTRIC SIEP C710636 10C Z1000U HVAC MATRIX Drive Programming Manual
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Parameter Details
