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Address Format |
Devices are addressed by using the Item parameter of Tags. These addresses must be in the format described next.
$node_address.$virtual_device.$object_id.$parameter_id
The next table contains a description for all the fields of this format.
Addressing fields using the Item parameter
Field |
Description |
Value Restrictions |
|---|---|---|
node_address |
Address of the target node of a Tag |
From 0 (zero) to 65535 |
virtual_device |
Address of a virtual device |
From 0 (zero) to 255 |
object_id |
Identification of the addressed object |
From 0 (zero) to 16777251 |
parameter_id |
Identification of the addressed parameter |
From 0 (zero) to 65535 |
For more information on how to define the previous values, please check the device's documentation.
Users can also address Tags by using N or B parameters, as described on the next table.
Addressing fields using N or B parameters
N or B Parameter |
Field |
Value Restrictions |
|---|---|---|
N1 ou B1 |
node_address |
From 0 (zero) to 65535 |
N2 ou B2 |
virtual_device |
From 0 (zero) to 255 |
N3 ou B3 |
object_id |
From 0 (zero) to 65535 |
N4 ou B4 |
parameter_id |
From 0 (zero) to 65535 |