Graphical user interface (P-EXTV-00030 - P-EXTV-00037)

The graphical user interface has access to NC interfaces and NC data via so-called HMI objects. The access protocol is encapsulated in a DLL which offers a Windows application write/read access to HMI objects. Interface objects are created automatically according to the configuration list for the graphical user interface if this is configured accordingly for the variable.

Two objects are then created for each specified variable, one for write access and one for read access. This occurs independently of the access rights of the NC channel, i.e. even if the NC channel is only assigned read access to the variable (e.g. access_rights = READ_ONLY), the graphical user interface can still write to the variable. With an array, a GUI object is created for each array element.

If required, the name format of GUI objects can be adapted as required by specifying corresponding templates in the list (as of Version V254). In this case, the placeholder %s must be specified for the name followed by a placeholder %d for the array index.

P-EXTV-00030	HMI read access with global array
Description	Format of the HMI object name by specifying a corresponding template.
Parameter	name_rd_global_array
Default value	cnc_ve_%s_rd[%d]
Remarks	Placeholder %s for the name and followed by %d for the array index

P-EXTV-00031	HMI write access with global array
Description	Format of the HMI object name by specifying a corresponding template.
Parameter	name_wr_global_array
Default value	cnc_ve_%s_wr[%d]
Remarks	Placeholder %s for the name and followed by %d for the array index

P-EXTV-00032	HMI read access with channel-specific array
Description	Format of the HMI object name by specifying a corresponding template.
Parameter	name_rd_channel_array
Default value	mc_ve_%s_rd[%d]
Remarks	Placeholder %s for the name and followed by %d for the array index

P-EXTV-00033	HMI read access with channel-specific array
Description	Format of the HMI object name by specifying a corresponding template.
Parameter	name_wr_channel_array
Default value	mc_ve_%s_wr[%d]
Remarks	Placeholder %s for the name and followed by %d for the array index

P-EXTV-00034	HMI read access with global variables
Description	Format of the HMI object name by specifying a corresponding template.
Parameter	name_rd_global
Default value	cnc_ve_%s_rd
Remarks	Placeholder %s for the name

P-EXTV-00035	HMI write access with global variables
Description	Format of the HMI object name by specifying a corresponding template.
Parameter	name_wr_global
Default value	cnc_ve_%s_wr
Remarks	Placeholder %s for the name

P-EXTV-00036	HMI read access with channel-specific variables
Description	Format of the HMI object name by specifying a corresponding template.
Parameter	name_rd_channel
Default value	mc_ve_%s_rd
Remarks	Placeholder %s for the name

P-EXTV-00037	HMI write access with channel-specific variables
Description	Format of the HMI object name by specifying a corresponding template.
Parameter	name_wr_channel
Default value	mc_ve_%s_wr
Remarks	Placeholder %s for the name

Example: Assigning the name to the GUI

# ***************************************

name_rd_global_array cnc_test1_%s_rd[%d]

name_wr_global_array cnc_test1_%s_wr[%d]

name_rd_channel mc_test2_%s_rd

name_wr_channel mc_test2_%s_wr

...

var[0].name G_ARRAY5

var[0].type SGN32

var[0].scope GLOBAL

var[0].synchronisation FALSE

var[0].access_rights READ_WRITE

var[0].array_size 5

var[0].create_hmi_interface TRUE # HMI object is created

var[1].name L_BOOLEAN

var[1].type BOOLEAN

var[1].scope CHANNEL

var[1].synchronisation FALSE

var[1].access_rights READ_WRITE

var[1].array_size 1

var[1].create_hmi_interface TRUE # HMI object is created

The following HMI objects are created from the above extract of the configuration list:

cnc_test1_G_ARRAY5_rd[0]

cnc_test1_G_ARRAY5_wr[0]

cnc_test1_G_ARRAY5_rd[1]

cnc_test1_G_ARRAY5_wr[1]

cnc_test1_G_ARRAY5_rd[2]

cnc_test1_G_ARRAY5_wr[2]

cnc_test1_G_ARRAY5_rd[3]

cnc_test1_G_ARRAY5_wr[3]

cnc_test1_G_ARRAY5_rd[4]

cnc_test1_G_ARRAY5_wr[4]

mc_test2_L_BOOLEAN_wr

mc_test2_L_BOOLEAN_rd