Programming
ABB Control - AC 31 Page 5-9
1SBC 260400 R1001-b 06.99
4. Configuration
Before sending the program to the PLC you should make sure that the central unit has been
correctly configured for the application. There are two configuration tools:
- The configuration menu in the AC31GRAF programming software for configuring the
central unit's usage parameters;
- The CS31CO function block to configure certain remote units through programming.
4.1. AC31GRAF configuration tool
A configuration tool is available in the AC31GRAF software by calling the "PLC
configuration tool"
window which enables the display, entry, loading, recovery and
verification of all the configurable parameters of the central unit.
Only this configuration editor allows you to send or receive the configuration of the central unit.
Check that the central unit is correctly connected to the PC before calling the configuration
tool.
A list of default parameters is proposed every time a new project is opened. This list varies
according to the type of central unit chosen (see Figure 5-1 and Figure 5-2).
The configuration is done in the "
Your choice" column.
On opening the configuration window the
"Your choice" column proposes a default
configuration.
A parameter can be modified by double-clicking the line to be modified in the "Your choice"
column. You can modify the parameter from the keyboard or select it in the displayed list,
depending on the parameter to be modified (see Figure 5-2 : the list of parameters for the
"Central unit operative mode"), and then validate your choice.
The
"Central unit" column displays the current configuration present in the central unit.
The differences between the "Your choice" and "Central unit" columns are indicated in red.
The configuration parameters are sent by clicking the "Download parameters" icon. The
parameters are automatically saved to the Flash EEPROM of the central unit. It is
necessary to initialize the central unit, so that it can start with the right configuration, if the
"Central unit operative mode" parameter was modified.
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