Adding Symbol Configuration - ABB COM600 series User Configuration Manual

Substation management units 5.1 sequence control

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Figure 4.3-1 Creating a global sequence object

4.4.

COM600 series 5.1

Sequence Control Configuration Manual

2. Name the new global variables list.

3. Select the added global variables list from the Devices view. In the corresponding

program editor, create a new global sequence object, see Figure 4.3-1.

The variables defined in the global variable list are:

•

MAX_SWITCHES: A constant variable indicating the number of switches available

for a sequence. This constant indicates the number of switches available to the logic

processor for sequence control purposes. The number is limited to 20 switches per

sequence.

•

SequenceObject: A variable corresponding to a sequence. Each sequence intended

within the logic processor should have a corresponding sequence object defined.

•

Array of SwitchObjects: Variables allowing the logic processor runtime to control

the switches available in COM600 runtime. Multiple sequences defined within the

logic processor use the same array of switch objects available for execution. Each

step in a sequence uses the index in the array of switches to control a particular

switch.

Adding symbol configuration

Generate a symbol list to select which variables from logic programming are cross-ref-

erenced with data in the COM600 communication structure.

To add a symbol configuration:

1. Right-click Application in the Devices tree.

2. Select Add Object > Symbol configuration.

global_variables.png

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