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Digital Clipping Function - Mitsubishi Electric MELSEC iQ-F FX5 User Manual

Programmable controllers.
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Digital Clipping Function

This function fixes the range of the digital operation value with the maximum digital output value and the minimum digital
output value when the corresponding current or voltage exceeds the input range.
List of output ranges
The following table lists the output ranges of the digital operation values when the digital clipping function is enabled with each
range.
Input range
0 to 10 V
0 to 5 V
1 to 5 V
-10 to +10 V
0 to 20 mA
4 to 20 mA
-20 to +20 mA
Setting procedure
Set "Digital clipping enable/disable setting" to "Enable".
Navigation window  [Parameter]  [Module Information]  Module model name  [Module Parameter]  "Application
Settings"  "Digital Clipping Setting"
Corresponding devices
The devices which are used by the digital clipping function are listed below.
Name
Digital clipping enable/disable setting
Setting example
Ex.
When the following values are used for the channel with the input range of 0 to 10 V
■Setting value
• Scaling upper limit value: 12000
• Scaling lower limit value: 2000
• Conversion value shift amount: 2000
• Digital clipping enable/disable setting: Enable
■Setting procedure
1.
Set the "A/D conversion enable/disable setting" to "enable".
2.
Set "2000" to the scaling lower limit value.
3.
Set "12000" to the scaling upper limit value.
4.
Set the "scaling enable/disable setting" to "enable".
5.
Set "2000" to the conversion value shift amount.
6.
Set the "digital clipping enable/disable setting" to "enable".
2 FX5-4AD-ADP
34
2.3 Functions
Output range of digital operation values
Digital clipping function is
enabled
0 to 16000
0 to 12800
-8000 to +8000
0 to 16000
0 to 12800
-8000 to +8000
CH1
SM6309
Digital clipping function is
disabled (over-scale is
enabled)
-320 to +16320
-3520 to +13120
-8160 to +8160
-320 to +16320
-3520 to +13120
-8160 to +8160
CH2
CH3
SM6349
SM6389
Digital clipping function is
disabled
-384 to +16383
-3584 to +13183
-8192 to +8191
-384 to +16383
-3584 to +13183
-8192 to +8191
CH4
Reference
SM6429
Page 70

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