7 Monitor Displays (Un)
7.3.1 Interpreting Input Signal Display Status
7-4
7.3 Monitoring Input Signals
The status of input signals can be checked with the input signal monitor (Un005). The procedure for the
method of interpreting the display and a display example are shown below.
7.3.1 Interpreting Input Signal Display Status
The input signal monitor (Un005) can be read in the following way. The upper level indicates OFF, and the
lower level indicates ON. All undefined digits are shown in the lower level (ON).
<NOTE>
Input signals use the following circuit configuration.
OFF: Open
ON: Short-circuited
Example
Display LED
Number
Input Terminal Name
Signal Name
(Factory Setting)
1 CN1-13 /SI0
2 CN1-7 P-OT
3 CN1-8 N-OT
4 CN1-9 /DEC
5 CN1-10 /EXT1
6 CN1-11 /EXT2
7 CN1-12 /EXT3
8 –Reserved
Un005=
8 7 6 5 4 3 2 1 digit
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