NI PXIe-5450 Relay module

The configuration uploading functions in the AS 235 system described below are available both for documentation uploading and on the local operator input channel: – XA representation in the processing list The variable from which the activation pulse has been derived appears on the display/log. – XB representation in the processing list The activation status and the scanning parameter value is shown on the display/log. – Memory area The available user RAM area is displayed if the function “BT,TYP;” has been selected. – Selecting a block in the processing sequence Function “B;“ allows the direct selection of the page containing a block by specifying this block.

Block processing cycle

 All blocks of the type specified are logged if the instruction “BT,type:B;“ has been entered. The output includes how often a block has occured and in what processing cycle it has been installed. This permits direct recognition of the blocks which are not installed in the cycle. 99 is the maximum number of occurrences which can be displayed. If a block has been installed in a cycle more than 99 times, “**” will be displayed in this position instead of a number. – Scrolling backwards Scrolling backwards (instruction: “Z;“) has been implemented for the instructions : “B;“ and “BT,...;“ Instruction used: “Z;“ – System status information This function gives information regarding the bus device

Using PROGRAF for Configuration/Documentation

 PROGRAF, which can be executed on any AT–compatible PC/PG, is a program package for computer–aided configuration and documentation. The PROGRAF functions can be subdivided into three different areas: configuration, documentation and communication with automation systems. The graphics editor facilitates offline editing of function charts, providing the user with function block symbols, typicals, parameters and external interconnections. STEP–M and TML programs can be created using the powerful text editor. PROGRAF also permits menu–driven and graphics–supported creation and modification of process displays.

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