Mitsubishi Electric MELSEC iQ-R Series User Manual page 45

Compound condition
For compound condition, triggers occur by satisfying multiple conditions.
The conditions which compose compound conditions are the same as following section.
Trigger condition
OR combine
AND combine
Number of times
Order
*1 Since the conditions are judged based on the data sampled at the specified sampling interval, a trigger will not be detected if the
condition is not satisfied at the time of data sampling.
For details on the conditions that can be specified, refer to the following:
Page 40 Single condition
For the number of conditions which can be specified for the compound condition, refer to the following:
MELSEC iQ-R High Speed Data Logger Module User's Manual (Startup)
■OR combine
Triggers occur by satisfying any of the set conditions.
Occurrence Occurrence
Trigger
True
Condition 1
False
True
Condition 2
False
True
OR operation
result False
■AND combine
Triggers occur by satisfying all of the set conditions.
Trigger
True
Condition 1
False
True
Condition 2
False
True
AND operation
result False
Conditions that can be specified
*1
• Data conditions (comparison)
• Data conditions (value changes)
• Fixed cycle
• Time interval specification
• Time specification
• At module startup
*1
• Data conditions (comparison)
*1
• Data conditions (comparison)
• Data conditions (value changes)
*1
• Data conditions (comparison)
• Data conditions (value changes)
Occurrence
Occurrence Occurrence
*1
*1
*1
Reference
Page 43 OR combine
Page 43 AND combine
Page 44 Number of times
Page 45 Order
1 FUNCTION
1.1 Data Logging Function
1
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