Yes, as of SoMachine Basic version 1.3. Patch 1 now called Ecostruxure Machine Expert Basic.
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Double-click on the function block to open the function properties table.
The %READ_VAR function block has the following properties:
| Property | Value | Description |
|---|---|---|
| Used | Activated / deactivated checkbox | Indicates whether the address is in use. |
| Address | %READ_VARi, where i is from 0 to the number of objects available on this logic controller | i is the instance identifier. For the maximum number of instances, refer to Maximum Number of Objects table. |
| Symbol | User-defined text | The symbol uniquely identifies this object. For details, refer to the SoMachine Basic Operating Guide (Defining and Using Symbols). |
| Link |
| Port selection NOTE: SL2 and ETH1 embedded communication ports are available on certain controller references only. |
| Id | This parameter depends on the link configuration:
| Device identifier For more details about the Ethernet index, refer to Adding Remote Servers. |
| Timeout | The unit is in ms, with a default of 100. A value of 0 means no timeout enforced. | The timeout sets the maximum time to wait to receive an answer. If the timeout expires, the exchange terminates in error with an error code (CommError = 01 hex). If the system receives a response after the timeout expiration, this response is ignored. NOTE: The timeout set on the function block overrides the value configured into SoMachine Basic configuration screens (Modbus TCP Configuration and Serial Line Configuration). |
| ObjType | The type of objects to read:
| The types of Modbus read function codes are:
|
| FirstObj | 0...65535 | Address of the first object to read. |
| Quantity |
| Number of objects to read |
| IndexData | 0...65535 | The first address of the word table to which read values are stored (%MW). |
| Comment | User-defined text | A comment to associate with this object. |
If this FAQ did not solve your issue, you can chat with us at chat with us or e-mail us at customer.services@se.com to create a case with our Technical Support Team.
If you are not located in North America, please contact your local Customer Care Center for assistance:
Support | Schneider Electric Global (se.com)
Released for: Schneider Electric USA
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