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Maximum Value/minimum Value Hold Function - Mitsubishi Electric MELSEC iQ-F FX5 User Manual

Programmable controllers.
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■Operation
Digital value
16000
14000
12000
Digital operation value
9000
6000
(3) Shift
4000
3000
2000
2
4

Maximum Value/Minimum Value Hold Function

This function stores the maximum value and minimum value of the digital operation value to the special registers for each
channel.
Setting procedure
When the "maximum value reset request" or "minimum value reset request" is set from OFF to ON, the maximum value or
minimum value is updated to the digital operation value.
Setting value
0: OFF
1: ON
Corresponding devices
The devices which are used by the maximum value/minimum value hold function are listed below.
Name
Maximum value/minimum value reset
completed flag
Maximum value reset request
Minimum value reset request
Maximum value
Minimum value
Operation
When the "maximum value reset request" or "minimum value reset request" is set from OFF to ON, the maximum value or
minimum value of the specified channel is updated to the "digital operation value". The "maximum value/minimum value reset
completion flag" turns ON.
When the range is switched, the "maximum value" and "minimum value" are cleared (to "0").
(1) Digital clipping
(2) Scaling
6
8
10
Description
With no maximum value or minimum value reset request
With maximum value or minimum value reset request
CH1
SM6305
SM6306
SM6307
SD6306
SD6307
Analog input voltage (V)
CH2
CH3
SM6345
SM6385
SM6346
SM6386
SM6347
SM6387
SD6346
SD6386
SD6347
SD6387
Default value
0: OFF
CH4
Reference
SM6425
Page 68
SM6426
Page 69
SM6427
Page 69
SD6426
Page 83
SD6427
Page 83
2 FX5-4AD-ADP
2.3 Functions
2
35

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