3.2 Function Modules
3.2.5 Data Logging
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CPU Module Functionality
Condition
Select one of the following operators.
Compound
condition
If a condition is entered for both condition A and condition B, specify one
of the following conditions.
To automatically start logging when the power supply is turned ON, set the Start Trig-
ger to the following condition.
• When the saving destination is set to USB memory:
Setting example: Start trigger SB006540 = ON
Note:The SB006540 register turns ON when a USB memory device is detected.
• When the saving destination is set to built-in RAM disk:
Setting example: Start trigger SB000001 or SB000003 = ON
Note:The SB000001 register turns ON during the first scan of the high-speed scan.
The SB000003 register turns ON during the first scan of the low-speed scan.
In the following example, the output conditions are set to log only the data in the
shaded region.
Setting example: Condition A >= Upper limit, Condition B <= Lower limit, Compound
condition = OR
Continued from previous page.
No. Item Description
Setting Description
>
Condition is met when the left register value is greater than
the right register value.
<
Condition is met when the left register value is less than the
right register value.
=
Condition is met when the left register value is equal to the
right register value.
< >
Condition is met when the left register value is not equal to
the right register value.
>=
Condition is met when the left register value is greater than
or equal to the right register value.
<=
Condition is met when the left register value is less than or
equal to the right register value.
Setting Description
No com-
pound condi-
tion
The compound condition is met when Condition A is
met.
Condition B will be ignored, even if it is specified.
AND
The compound condition is met when both condition A
and condition B are met.
OR
The compound condition is met when either condition
A or condition B is met.
Upper limit
Lower limit
Logged data
Logged data
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