ST_MMS_ParameterSupportOptions
Parameters that will be negotiated between the two communication partners during the connection establishment (Association).
TYPE ST_MMS_ParameterSupportOptions:
STRUCT
str1 : BOOL := TRUE;
str2 : BOOL := TRUE;
vnam : BOOL := TRUE;
valt : BOOL := TRUE;
vlis : BOOL := TRUE;
END_STRUCT
END_TYPE
str1: When this is set the device supports the Array-Type-Identifier for the type-description of the Array-Variables.
str2: When this is set the device supports the Structure-Type-Identifier for the type-description of the structured variable.
vnam: When this is set the device supports the named-access in variableSpecification.
valt: When this is set the device supports the so-called AlternateAccess. Indicated access to Array-Elements (INDEX or INDEX-RANGE).
vlis: When this is set the device supports the variableListName in variableAccessSpecification.
Requirements
Development environment |
Target system |
PLC libraries to include |
---|---|---|
TwinCAT v2.10.0 Build >= 1340 |
PC or CX (x86, ARM) |
TcMMS.Lib |