Mitsubishi Electric MELSEC iQ-R Series User Manual page 370

■OutputBuffer (Storage location of latch data)
The storage location of latched data can be specified in TARGET_REF structure. Applicable data types are [VAR] and [DEV].
The storage location of the latch data by RecordMode is shown as follows.
RecordMode
0: OneShot
1: RecordCount
2: RingBuffer
OutputBuffer can be ommitted. When ommitting, the latch data is stored only in RecordedPosition.
The relation of the setting value and operation of each item is shown below. For details, refer to the following.
Page 364 Operation
RecordMode RecordCount
0: OneShot Omit/Set
1: RecordCount Omit
Set
2: RingBuffer Omit
Set
12 COMMON FUNCTIONS
368
12.2 Touch Probe
storage location
The area specified by OutputBuffer
Following area
Area specified by OutputBuffer+ RecordedCounter  Latch data size (8 bites)
OutputBuffer
Omit
Set
Omit/Set
Omit
Set
Omit/Set
Omit
Set
Detection Data storage location
operation
One shot RecordedPosition
RecordedPosition/Buffer
Error 
Number of setting RecordedPosition
RecordedPosition/Buffer

Error
Always RecordedPosition
RecordedPosition/Buffer