IDEC SmartRelay Manual
53
Programming IDEC SmartRelay
3.2 Blocks and block numbers
Block representation on the IDEC SmartRelayonboard display
The figure below shows a typical view of the IDEC SmartRelay onboard display. As you can
see, it can show only one block at a time. IDEC SmartRelay shows the block number on the
top of the display by default if you assign no name to this block. The block numbers help you
check the circuit structure. Alternatively, you can also choose to display a customized block
name instead of the block number. For more information about assigning a block name, refer
to Section "Circuit program input (Page 65)".
Assigning a block number
IDEC SmartRelay automatically assigns each new block in a circuit program a block number.
IDEC SmartRelay uses these block numbers to indicate the block interconnections. This
means that these numbers are mainly an aid to your orientation in the circuit program.
The figure above shows you three views of the IDEC SmartRelayonboard display, which
represent the circuit program. As you can see, IDEC SmartRelay interconnects the blocks
using their numbers. To scroll the circuit program, use the keys or .
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