SAVE_PARAM_MX: Saving the Parameters in Local Rack
Original instructions
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Description
The SAVE_PARAM_MX function is used to save the new parameters of a module declared in Device DDT in the local rack. It performs an explicit exchange with the Modicon M580 CPU memory.
These parameters replace the initial values.
The additional parameters EN and ENO can also be configured.
FBD representation
LD representation
IL representation
Representation:
CAL SAVE_PARAM_MX_Instance (ENABLE:=Enable, ABORT:=Abort, ADDR:=Address, CHANNEL:=Channel, DONE=>OperationSuccessful, ACTIVE=>OperationActiv, ERROR=>FaultyOperation, STATUS=>Status)
IL representation
Representation:
SAVE_PARAM_MX_Instance (ENABLE:=Enable, ABORT:=Abort, ADDR:=Address, CHANNEL:=Channel, DONE=>OperationSuccessful, ACTIVE=>OperationActiv, ERROR=>FaultyOperation, STATUS=>Status);
Parameter Description
The following table describes the input parameters:
Parameter
Data Type
Significance
Enable
BOOL
Set to 1 to trigger the operation
Abort
BOOL
Set to 1 to abort the currently active operation
Address
ANY ARRAY OF INT
Array that contains the address result of ADDMX function (1) and identifies the rack which the module belongs to.
Channel
STRING
Identifies the channel to work on; it contains rack, slot and channel numbers (r.s.c)
(1) To address a module in the local rack, enter 0.0.10 (CPU main server address).
The following table describes the output parameters:
Parameter
Data Type
Significance
OperationSuccessful
BOOL
Operation terminated successfully
OperationActiv
BOOL
Operation active
FaultyOperation
BOOL
Operation terminated unsuccessfully
Status
WORD
Detected error identifier