268
YASKAWA
SIEPYAIH6B01A HV600 AC Drive Bypass Technical Reference
You can continue to view parameter setting values when the terminal is
OFF [Parameters Cannot be Edited]
.
ON : Program Lockout
OFF : Parameter Write Prohibit
■
1E: Reference Sample Hold
Setting Value
Function
Description
1E
Reference Sample Hold
Sets the command to sample the frequency reference at terminals A1 or A2 and hold the frequency reference at that frequency.
When the terminal is active for 100 ms, this function reads a sample of the analog frequency reference and holds that
sample. When you input the sample/hold command again, the function reads a sample of the analog frequency
reference again and holds that sample. When you turn off the power, the drive erases the saved analog frequency and
resets the frequency reference to 0.
shows an example of how the function operates.
Figure 5.42 Reference Sample Hold
You cannot set the Reference Sample Hold function at the same time as these functions:
•
H1-xx = A [Accel/Decel Ramp Hold]
•
H1-xx = 10, 11 [Up Command, Down Command]
•
H1-xx = 44 to 46 [Offset Frequency 1 to 3]
If you set them at the same time, the drive will detect
oPE03 [Multi-Function Input Setting Err]
.
■
20 to 2F: External Fault
Setting Value
Function
Description
20 to 2F
External fault
Sets a command to stop the drive when a failure or fault occurs on an external device.
If an external fault is input to the drive, the keypad will show
EFx [External Fault (Terminal Sx)]
, where x is the
number of the terminal (terminal Sx) to which the external fault signal is assigned. For example, when an external
fault signal is input to terminal S3, the keypad will show EF3.
Use these conditions to select the value to set in
H1-xx
:
•
Signal input method from peripheral devices
•
External fault detection method
•
Motor stopping method (operation after external fault detection)
shows the relation between the conditions and the value set to
H1-xx
.
Table 5.38 Stopping Methods for External Fault
Setting
Signal Input Method from
Peripheral Devices
External Fault Detection Method
Stopping Method
N.O.
N.C.
Always
Detected
Detected during
RUN Only
Ramp to Stop
(Fault)
Coast to Stop
(Fault)
Fast Stop
(Fault)
Continuous
Operation
(Alarm Only)
20
x
-
x
-
x
-
-
-
21
-
x
x
-
x
-
-
-
22
x
-
-
x
x
-
-
-
Содержание HV600
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Страница 454: ...5 14 Z Bypass Parameters 454 YASKAWA SIEPYAIH6B01A HV600 AC Drive Bypass Technical Reference...
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Страница 780: ...11 3 European Standards 780 YASKAWA SIEPYAIH6B01A HV600 AC Drive Bypass Technical Reference...