Each item, regardless of type, has some general properties, discussed below.



Header data


Item Name

Name that identifies an Item. The name is unique for each Item and must be mandatorily filled. The field can contain only alphanumeric characters or the "_" character (underscore)

Description

Free text describing the Item. This text appears in the alarm messages to disk or printer. Can be omitted, but we recommend filling for added clarity to the end user.


Address category 


Device

ID of the device to which it belongs the Item. You can select from the drop down box one of the devices in use (if you are already done with their definition) or manually input the code for the device you want.


Note: Selecting the Driver ...  command at the bottom of the window, you can call up the configurator for the specified device.

Address

Is the physical address of the point inside the device. For more information, please refer to the guide of your device driver.

Note: Selecting the command ? located to the left of the field Address, the system displays a help page indicating the address format for the driver specified in the field Device.

Block

Specifies the name of the block. The driver will use this field to  automatically build the communications blocks for the device.

Note: Only available for some devices.

Period

Specifies the period of updating the value of the item from the field (in milliseconds).

Note: Only available for some devices.


Notification Category (doesn't apply to Text type)


Enable

Enables Item to generate alarms. If the alarm generation is disabled, the status is always set to the Item "Excluded".

Priority

Priority level of the alarm. Allowed values: 1 .. 256.

Signals group

Indicates the Signaling Group associated with the alarm. Each item may be associated with one and only one signaling group. For more information about Signals Groups, see chapter "Alarm management".

Alarm delay

Indicates the observation time (in milliseconds) before changing the status and generate an alarm.
Note: Only for item AI and DI

Note: not available.



Cloud Category 


Send Measure

It enables sending the item value to a MQTT broker.

Destination

Measures destination. Identifier of the data destination. 

Note: Field not available (for future uses).

Deadband

Indicates the minimum variation (positive or negative with respect to the current value) beyond which the value is sent to the broker MQTT. Applies only to analog items (AI and AO)

Destination

Events destination. Identifier of the events destination. 

Note: Field not available (for future uses).

Write Enable 

Enable the update of the Item with values received from an MQTT broker.


Data Lake Category
Warning: Function not available (for future uses).

OPC UA Category 
Warning: Function not available (for future uses).


Related Page Category (does not apply to Text type)


Related page

Assigns the name of the page that will be open by Event List using the Go to page command (if available) on status messages for the item. For more information, refer to section Additional information associated with the item Chapter "Alarm management"


Help file Category (does not apply to Text type)


Help file

Allows you to specify a help file with information about the alarm point, callable from an animation Events List with the command Guide (if available). For more information, refer to section Additional information associated with the item, inside chapter "Alarm management".

Parameter / Topic

Specifies the Topic ID or any other parameter for the activation of the help file.