Client Connections To A Plcnext Engineer Hmi Web Server; Hmi_Status System Variable; Hmi_Status System Variable (Hmi_Status_Type Data Struc- Ture) And The System Variables It Contains - Phoenix Contact AXC F 1152 Installing, Starting Up, And Operating

AXC F X152
Table 8-7 HMI_STATUS system variable (HMI_STATUS_TYPE data structure) and the system variables it contains
System variable
HMI_STATUS
CLIENT_COUNT
CLIENTS
[1] ... [256]
SESSION_ID
STATION_ID
LAST_REQ
IP_ADDRESS
[0] ... [3]
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PHOENIX CONTACT
8.9 Client connections to a PLCnext Engineer HMI web
server
A PLCnext Engineer HMI application is executed on a PLCnext Engineer HMI server. There
are two system variables for handling client connections to a PLCnext Engineer HMI web
server:
– HMI_STATUS
– HMI_CONTROL
8.9.1

HMI_STATUS system variable

The HMI_STATUS system variable can be used to retrieve information on the client connec-
tions to a PLCnext Engineer HMI web server.
The HMI_STATUS system variable is a system variable organized as a data structure.
Type
HMI_STATUS_TYPE
UINT
HMI_STATUS_ARRAY
HMI_STATUS_STRUCT
STRING
STRING
LINT
IP_ADDRESS_ARRAY
BYTE
Description
Data structure
Number of currently existing client connections to the HMI
web server
Information on existing client connections
Client connections 1 ... 256
Session ID of the client connection
Station ID of the client
Time of the last request from the client to the controller
IP address of the client
IP address in hexadecimal format
(Example: [C0].[A8].[01].[64] ⇒ 192.168.1.100)
107708_en_08