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Chapter 3
Starting
CHECK Mode
Select the CHECK mode using the mode selector switch. In this mode, you can check the number of nodes (I/O
units) connected to the controller.
Operation Description / Function
Decimal number
display
Hexadecimal number
display
Press
key.
Displays the number of recognized nodes (I/O units)
connected to the controller.
Press key.
Press key.
Repeatedly press this key to
display addresses of all the
connected nodes.
Displays the addresses of the recognized I/O units in the
order of ascending numbers.
Notes: 1) Use key to display the numbers in the reversed order.
2) Press and hold SELECT key ( key or key) to switch the displayed numbers at a rapid speed.
Addresses of recognized I/O units
Number of connected
nodes (I/O units)
<Example> In the decimal number display mode
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