1 FUNCTIONS
1.2 Output Function
37
1
Number of output ON times alarm detection notification
To use the number of output ON times alarm detection notification, set "Number of output ON times alarm detect setting" to
"To detect" and set "Number of output ON times alarm detect count setting".
When the number of output ON times reaches the number of output ON times alarm detection count (set value), an alarm
(Number of output ON times alarm detection count reached) occurs.
The details of the alarm can be checked in the module diagnostics window of the engineering tool.
The alarm occurrence can be checked with the ALM LED.
In the following cases, an alarm occurs immediately.
• When the number of output ON times has already reached the number of output ON times alarm detection
count at power-on
• When a value equal to or less than the current number of output ON times is set as the number of output
ON times alarm detection count
■
Clearing an alarm
Although 'Number of output ON times' (Un\G3136 to Un\G3167) is cleared to 0, an alarm is not cleared. To clear the alarm,
turn on and off 'Alarm clear request' (Y11) after clearing 'Number of output ON times' (Un\G3136 to Un\G3167).
: END processing of the CPU module
: Performed by the output module with diagnostic functions.
: Performed by the output module with diagnostic functions.
: Performed by a program.
ON
OFF
ON
ON
OFF
OFF
97
98
0
1
99
100
101
Output from the CPU module (Y1)
Output in the module (Y1)
'Number of output ON times'
(Un\G3138 to Un\G3139)
'Alarm flag' (X11)
'Number of output ON times
alarm detection status' (Un\G3120)
ON
0
100
0
1
0
1
OFF
ON
OFF
'Alarm flag' (X11)
'Alarm clear request' (Y11)
'Number of output ON times
value clear completed' (Un\G3168)
'Number of output ON times'
(Un\G3136 to Un\G3167)
'Number of output ON times
value clear request' (Un\G3840)
Содержание MELSEC iQ-RX40NC6B
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