System variables and status information
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8.9.2 HMI_CONTROL system variable
The HMI_CONTROL system variable can be used to disconnect a client from a
PLCnext Engineer HMI web server.
The HMI_CONTROL system variable is a system variable organized as a data structure.
Table 8-8 HMI_CONTROL system variable (HMI_CONTROL_TYPE data structure) and the system variables it con-
tains
System variable Ty pe Description
HMI_CONTROL HMI_CONTROL_TYPE Data structure
CLIENTS HMI_CONTROL_ARRAY Information on existing client connections
[1] ... [256] HMI_CONTROL_STRUCT Client connections 1 ... 256
DISABLE BOOL • Set this bit to 1 to disconnect the selected client from
the PLCnext Engineer HMI web server.