Setting parameters for blocks
3.2 Setting the "IID_HW_CONNECT" data type
Ident profile and Ident blocks, standard function for Ident systems
18 Function Manual, 10/2018, C79000-G8976-C387-04
Parameter assignment of the "IID_HW_CONNECT" data type
Follow the steps below to set the parameters for the "IID_HW_CONNECT" data type for a
channel:
1. In the project tree, double-click on the entry "Add new block" in the "Program blocks"
folder.
2. Click the "Data block" button and assign a name to the block.
3. Confirm your entry with "OK".
Reaction: The data block is opened.
4. Create a new variable by entering a variable name in the "Name" column.
5. In the "Data type" column, select the "IID_HW_CONNECT" data type.
Figure 3-1 Creating a data block
6. Specify the address data of the Ident device or the channel.
– HW_ID: Hardware identifier of the module (only with S7-1200 and S7-1500)
– CM_CHANNEL: Channel within a module
– LADDR: I/O address of the module
You can read out the values of the "HW_ID" and "LADDR" parameters in the device
configuration in the properties of the communications module/reader. Enter the parameter
values you have read out in the "Start value" column of the corresponding parameters.
Reading out parameter values is described below.
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