12.7 F: Options
604 YASKAWA SIEPC71061753C GA500 Technical Manual
■ F1-09: Overspeed Detection Delay Time
No.
(Hex.)
Name Description
Default
(Range)
F1-09
(0388)
Overspeed Detection Delay
Time
Sets the length of time that the speed feedback must be more than the F1-08 level to cause oS
[Overspeed].
Determined by A1-02
(0.0 - 2.0 s)
When the motor speed is more than the value set in F1-08 [Overspeed Detection Level] for longer than the time
set in F1-09, the drive will detect oS.
Note:
When A1-02 = 0 [Control Method Selection = V/f], set H6-01 = 3 [Terminal RP Pulse Train Function = Speed Feedback (V/F Control)]
to enable this parameter.
■ F1-10: Speed Deviation Detection Level
No.
(Hex.)
Name Description
Default
(Range)
F1-10
(0389)
Speed Deviation Detection
Level
Sets the detection level of dEv [Speed Deviation] as a percentage when the maximum output
frequency is 100%.
10%
(0 - 50%)
When the speed deviation between the frequency reference and the actual motor speed is more than the value set
in F1-10 for longer than the time set in F1-11 [Speed Deviation Detect DelayTime], the drive will detect dEv.
Note:
When A1-02 = 0 [Control Method Selection = V/f], set H6-01 = 3 [Terminal RP Pulse Train Function = Speed Feedback (V/F Control)]
to enable this parameter.
■ F1-11: Speed Deviation Detect DelayTime
No.
(Hex.)
Name Description
Default
(Range)
F1-11
(038A)
Speed Deviation Detect
DelayTime
Sets the length of time that the difference between the frequency reference and speed feedback
must be more than the level in F1-10 to cause dEv [Speed Deviation].
0.5 s
(0.0 - 10.0 s)
When the speed deviation between the frequency reference and the actual motor speed is more than the value set
in F1-10 [Speed Deviation Detection Level] for longer than the time set in F1-11, the drive will detect dEv.
Note:
When A1-02 = 0 [Control Method Selection = V/f], set H6-01 = 3 [Terminal RP Pulse Train Function = Speed Feedback (V/F Control)]
to enable this parameter.
■ F1-14: Encoder Open-Circuit Detect Time
No.
(Hex.)
Name Description
Default
(Range)
F1-14
(038D)
Encoder Open-Circuit
Detect Time
Sets the length of time that the drive must not receive a pulse signal to cause PGo [Encoder (PG)
Feedback Loss].
2.0 s
(0.0 - 10.0 s)
If the drive does not detect ouput pulses from the encoder for the time set in F1-14, it will trigger PGo.
Note:
• When A1-02 = 0 [Control Method Selection = V/f], set H6-01 = 3 [Terminal RP Pulse Train Function = Speed Feedback (V/F
Control)] to enable this parameter.
• Motor speed and load conditions can cause ov [Overvoltage] and oC [Overcurrent] faults.
◆ F6, F7: Communication Options
F6 and F7 parameters are used to set the basic communication settings and method of fault detection for the
communication option card. The communication option card parameters include common option card parameters
and communication protocol-specific parameters.
The following table lists the parameters that need to be set for each communication option card.
Refer to the technical manual for each communication option card for more information on installing, wiring, and
configuring the details needed before starting communication.
WARNING! Sudden Movement Hazard. Do test runs and examine the drive to make sure that the command references are
correct. If you set the command reference incorrectly, it can cause damage to the drive or serious injury or death.
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