Yaskawa F7 Drive Programming Manual Manual de usuario Pagina 88

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Programming 80
Fig. 51 Reference Sample Hold Time Chart
The Ref Sample Hold function cannot be programmed at the same time as the following digital input functions:
Acc/Dec Ramp Hold
MOP Increase/Decrease
Trim Control Increase/Decrease
Doing so will cause an OPE03 fault to occur.
Cycling the input power will erase the sampled analog reference and the frequency reference will begin again from zero.
Function: External Fault
Setting: 20 through 2F
External Fault functionality can be programmed into the digital inputs of the Drive. The External Fault inputs can be used to signal
to the Drive that other equipment related to the operation of the Drive has experienced problems. If the External Fault is input to the
Drive the digital operator will display:
with the x in EFx and Sx represent the terminal number of the digital input that the fault was received on.
To program an External Fault the value input into the H1-0x parameter will determined by:
Contact type wired to the terminal (Normally Open or Normally Closed)
Detection profile (Always Detected or Only Detected while Running)
Drive operation after fault (stopping Method or Continue Operation)
Analog
Reference
t
t
Speed
Command
Ref Sample
Hold Si
g
nal
a
a
a =100 ms
A
n
a
l
o
g
S
i
g
n
a
l
ON (CLOSED)
OFF (OPEN)
Input
TIME
Speed
Command
-DRIVE- Rdy
EFx
Ext Fault Sx
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