Input Terminal Functions
6-
69
K
K
K
K
Hold
Analog
Frequency
Using
User-set
Timing
When
one of H1-01 to H1-05 (multi-function input terminal S3 to S7 function selection) is set to 1E (sample/
hold
analog frequency command), the analog frequency reference will be held from 100 ms after the terminal
is
turned ON, and operation will continue thereafter at that frequency.
Fig 6.52 Sample/Hold Analog Frequency
n
Precautions
When
setting and executing sample and hold for analog frequency references, observe the following precau-
tions.
Setting
Precautions
When
using sample/hold of analog frequency reference, you cannot use the following commands at the same
time.
If these commands are used at the same time, operation error OPE03 (invalid multi-function input selec-
tion)
will occur.
•
Acceleration/Deceleration
Ramp Hold command
•
UP/DOWN
command
•
Trim
Control Increase/Decrease command
Application
Precautions
•
When
performing sample/hold of analog frequency references, be sure to store references of 100 ms mini-
mum.
If the reference time is less than 100 ms, the frequency reference will not be held.
•
The
analog frequency reference that is held will be deleted when the power supply is turned OFF.
Sample/hold
command
Analog input
Frequency reference
The analog value 100 ms after the command is turned ON is used as the frequency reference.
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