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Configuring  7.2 Process images and process image partitions S7-1500 Automation System System Manual, 01/2013, A5E03461182-01 89 7.2 Process images and process image partitions 7.2.1 Process image - overview Process image of the inputs and outputs When the user program addresses the input (I) and output (O) operand areas, it does not query the signal states directly from the I/O modules. Instead, it accesses a memory area of the CPU. This memory area contains an image of the signal states and is called the process image. Advantages of the process image A process image offers the advantage that you can access a consistent image of process signals during cyclic program execution. If a signal state at an input module changes during program processing, the signal state is retained in the process image. The process image is not updated until the next cycle. You can only assign the addresses of a module to a single process image partition. 32 process image partitions In the S7-1500 automation system, the overall process image is subdivided into up to  32 process image partitions (PIP). PIP 0 (automatic update) is automatically updated in each program cycle and is assigned to OB 1. Process image partitions PIP 1 through PIP 31 can be assigned to the other OBs. This assignment occurs in the TIA Portal when configuring the I/O modules.

TIA Portal Introduction  1.3 Views in the TIA portal  STEP 7 Basic V10.5 14 Getting Started, 12/2009, A5E02651459-01 ⑤ Task cards: Task cards are available depending on the edited or selected object. The task cards available can be found in a bar on the right-hand side of the screen. You can collapse and reopen them at any time. ⑥ Details view:  Certain contents of a selected object are shown in the details view. This might include text lists or tags. ⑦ Inspector window:  Additional information on an object selected or on actions executed are displayed in the Inspector window. ⑧ Switching to portal view: You can use the "Portal view" link to switch to the portal view.    Note You open and close individual windows of the project view with the key combination "<Ctrl> + 1-5". You will find an overview of all key combinations in the information system of the TIA Portal.