APPX
Appendix 4 Module Labels
135
A
Module labels of the buffer memory
A module label name of the buffer memory consists of the following elements.
"Module name"_"Number of modules"."Construction name"["(construction number)"]."Data type""Label name"
"Module name"_"Number of modules"."Construction name"_D["(construction number)"]."Data type""Label name"_D
FX5_SF_MU4T5_1.stnMonitor_D[0].zReserveArea00121_D
■Module name
It indicates a module name.
■Number of modules
It indicates the number of modules.
The buffer memory values in safety expansion modules are centralized to a safety main module. Only one safety main module
can be connected in each system; therefore the number of modules is fixed to one. Even if the two safety expansion modules
are connected, the number of modules will be equal to that of the safety main modules.
■Construction name
It indicates a unique construction name for each module.
■Structure number
It indicates the structure number.
■Data type
It indicates a data size of the buffer memory. It is categorized as follows.
■Label name
It indicates a unique label name for each module.
■_D
It indicates that the module label is for direct access. The value written to or read from the module label is immediately applied
to the module.
Construction name Description
stnMonitor Monitor
stnExpandedMonitor Monitor
Data type Description
u Word [Unsigned]/Bit String [16-bit]
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