Omron CJ - 10-2005 Manual page 55

Checking Program Operation
• When there is no I/O Unit at word 0, the status is held ON. When the
RESET Key is pressed, the status is set to OFF.
• When the normally closed CIO 000001 is set to OFF, the self-holding
status is cleared, and CIO 000100 is set to OFF also.
8. Check timer operation using the following steps.
a) Monitor TIM 0000.
TIM
b) Move bit CIO 000000 to the top.
c) Check bit CIO 000101.
000001
000100
000100
MON
000000
T0000
MON
000100
000000
MON
T0000
000000
SET
T0000
The timer starts a decrementing count.
000000
T0000
The time up mark will be displayed.
000100
MON
000000
000101
↓
000000
Section 2-5
^ OFF
^ OFF
^ OFF
^ OFF
0100
^ OFF
^ OFF
0100
^ ON
0099
^ ON
0000
^ ON
^ OFF
^ ON
^ OFF
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