Max. / Min. Hold Function - Panasonic GM1 Series Reference Manual

5.6 Max. / Min. Hold Function

5.6 Max. / Min. Hold Function

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Overview of the function
● This function maintains the maximum and minimum values of acquired analog input data.
● When Analog_8IN parameters>Max. / Min. value retention is set to "Execute", turn ON
"Ch* Max. / Min. hold request" to execute the function.
● The maximum value and the minimum value stored in the input area of the I/O mapping are
held even in the following cases.
• When "Ch* Max. / Min. hold request" is turned OFF
• When the GM1 Controller is set to the STOP mode
● The Max. / Min. hold is executed on a channel-by-channel basis.
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Max. / Min. hold processing
Digital converted value
Ch* Max. / Min. hold request
Ch* Max. / Min. hold status
Ch* Max. holding value
Ch* Min. holding value
(1) Turn ON "Ch* Max. / Min. hold request".
The function is executed and "Ch* Max. / Min. hold status" is turned ON.
The digital conversion values when the status is turned ON are preset into "Ch* Max. holding value"
and "Ch* Min. holding value".
(2) While "Ch* Max. / Min. hold status" is ON
The maximum value and the minimum value of the digital conversion values are held and updated to
"Ch* Max. holding value" and "Ch* Min. holding value".
(3) Turn OFF "Ch* Max. / Min. hold request".
"Ch* Max. / Min. hold status" is turned OFF.
The maximum value and the minimum value stored in "Ch*Max. holding value" and "Ch* Min. holding
value" are held.
5-14
(1)
Updates the holding value.
(2)
Maintains the holding value.
WUME-GM1AIO-01
(t)
(3)