Tag Function - Mitsubishi MELSEC-Q Series User Manual

6 FUNCTIONS

6.3 Tag Function

6.3.1 Tag function
2) Collects device data
in tag unit according
to the tag setting.
CPU1:
Device Value (Component name)
Pressure
D100 100
20.3 Temperature
D200
Water level
D300 9
Humidity
D400 70
CPU2:
Device Value (Component name)
D10 1280 Quantity of production
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The tag function is designed to store a set device data of individual programmable
controller CPUs on the network as a tag, and collect those device data in tag unit.
(1) Tag
(a) A tag is a data table contains a set of data (components) required to access
the device data of the programmable controller CPUs on the network.
(b) For component, set the communication path, data type, device, etc.
required to access the device data of individual programmable controller
CPUs.
(c) The Web server module collects device data in tag unit at an interval
defined in the tag.
(d) The tag data collected by the Web server module can be monitored from
the Web browser by specifying the tag name.
Web server module
Tag setting
Tag name :
01: Process A
Component name
Pressure
Temperature
Water level
Humidity
Quantity of production
1) Sets a tag and its components
in Web browser.
3) Specifies a tag
name to display
the tag data.
Tag data
CPU name Device
CPU1 D100
CPU1 D200
CPU1 D300
CPU1 D400
CPU2 D10
MELSEC-Q
External device
(Client)
Tag data monitor
Tag name:
01: Process A
Component name Value
Pressure 100
Temperature
20.3
Water level
9
Humidity
70
Quantity of production
1280
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