Error Indication
Use of CHECK mode after error detection
If an error occurs, switch the transmission mode to the CHECK mode. In this mode, you can check the number
of connected nodes (I/O units) having a problem and the recognized addresses of the problem units.
Operation
P r e ss key.
P re ss ke y.
P r ess ke y.
Repeatedly press this
key to display address-
es of all the connected
nodes.
k e y to d i s p l a y th e n u mb e rs i n th e r e ve rse d or de r.
Notes: 1) Use
2) Press and hold SELECT key (
<Example 1>
Number of connected
nodes (I/O units) hav-
ing a problem
47
Description / Function
Displays the number of nodes (I/O
units) having a problem.
Sequentially displays the addresses of
the problem I/O units in the order of
ascending numbers.
k e y o r
Addresses of problem I/O units
Example 1
key) to switch the displayed numbers at a rapid speed.
Example 3
Example 2
If error 3 is
detected
If error 4 is
detected