Mitsubishi Electric MELSEC iQ-F FX5 - Page 132

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15 LATCH FUNCTION
15.2 Device/label that can be Latched
■FX5U/FX5UC CPU module
*1 Link register (W) and file register (R) can be latched only when an optional battery is used.
Labels that can be latched
The labels that can be latched are described below.
Device Specification Method Applicable latch type
Internal relay (M) Specify the latch range Latch (1) or Latch (2)
Latch relay (L) Specify the number of points Latch (1) or Latch (2)
Link relay (B) Specify the latch range Latch (1) or Latch (2)
Annunciator (F) Specify the latch range Latch (1) or Latch (2)
Step relay (S) Specify the latch range Latch (1) only
Timer (T)/Accumulation timer (ST) Specify the latch range Latch (1) or Latch (2)
Counter (C)/Long counter (LC) Specify the latch range Latch (1) or Latch (2)
Data register (D) Specify the latch range Latch (1) or Latch (2)
Link register (W)
*1
Specify the latch range Latch (1) or Latch (2)
File register (R)
*1
Specify the latch range Latch (1) or Latch (2)
Extended file register (ER) The latch setting is not required because extended file register
(ER) is the device held only in the SD memory card. (All latch
points fixed)

Label Type Attribute Data type
Global label VAR_GLOBAL RETAIN Basic data type, array, structure
Local label of the program block VAR
Local label of the Function Block VAR
VAR_OUTPUT
VAR_PUBLIC