Emerson SolaHD SCM-E-EIP, Руководство пользователя

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6. ADVANCED MONITORING SCENARIOS
6/2022
Emerson.com/SolaHD
User Guide
A272-365
6.5 CONTROLLER TAGS
The PLC project will have the following tags and UDT instances defined this. These will need to be instantiated
for every SCM configured in the project, so for every additional SCM another set of following controller tags
will need to be created. The UDT contents and definitions are defined in section 6.6.
•
Ethernet IP Module Tags – A series of tags created automatically based on the hardware
configuration. These tags will include all the raw class 1 data from the SCM.
•
AOI_SCM_Interface – A single instance of the AOI datatype for use with the AOI call. Each
SCM would require another instance tag.
•
SCM_HMI – A single instance of the UDT_Emerson_SCM_HMI that will be accessible to the
HMI. Every subsequent SCM would require another instance.
•
MSG_Hardware_Parameters_Initial_Read – A message instruction to initially read
hardware parameters from SCM.
•
MSG_Periodic_Read – A message instruction to periodically read counters and user-
configured parameters from the SCM.
•
MSG_Event_Flag_Read – A message instruction to read event data when an event flag
is received.
•
MSG_User_Parameter_Write – A message instruction to write user-configurated value to
the SCM.
•
SCM_Control_Data – A single instance of the UDT_Emerson_SCM_Control_Data
consisting of a series of integer arrays that acts as an intermediary between the message
instructions and the AOI_SCM_Interface.
•
MSGs – A message instance tag will need to be created for each parameter that is read
through class 1 messaging.