20 MEMORY DUMP FUNCTION
20.1 Object Data
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20.1 Object Data
This section describes the data to be collected by memory dump.
Data to be collected
Of the devices listed below, all devices that are within the range specified in the device settings are subject to the collection.
For BL\S (step relay with block specification), data collection is performed only when the SFC program
exists. (MELSEC iQ-F FX5 Programming Manual (Program Design))
20.2 Trigger Condition
The following table lists the conditions to be used as a trigger. Set the trigger condition in the memory dump settings. (GX
Works3 Operating Manual)
On the occurrence of consecutive triggers, if the status of data save due to the previous occurrence of trigger is "Save
complete" of collected data, the next trigger is recognized as a trigger again. Note that events other than the above are not
recognized as a trigger condition.
A trigger can be generated with trigger conditions combined. (Page 199 Combining trigger conditions)
Type Device
Bit device X, Y, M, L, B, F, SB, T (contact), T (coil), ST (contact), ST (coil), C (contact), C (coil), LC (contact), LC (coil), S,
SM, BL\S
Word device T (current value), ST (current value), C (current value), D, W, SW, SD, R, Z
Double-word device LC (current value), LZ
Trigger condition Description
Device specification Data are collected when the specified monitoring target data (bit data) turns on during the END processing.
At the occurrence of an error Data is collected using the SM0 (latest self-diagnosis error) OFFON as the trigger.
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