Address/ItemID

Describes the access to the process value in the communication component. The address can be a symbolic name or the specification of a PLC memory address. This depends on the communication component used and the PLC.

Examples

• Siemens S7 TCP/IP driver

  L1.DB2.DBW10

  Access to line 1, data block 2, word from byte offset 10

• Beckhoff TwinCAT driver

  L1.cycle.number of pieces

  Access to line 1, local variable number of pieces from the task cycle

Parameters for module:

• Variables

• Process variable