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CHAPTER 7 POWER SUPPLY MODULE
7
7.2 Specifications
7.2.5 Life detection power supply module
2) Conditions of a program
The following tables list devices used in a program for monitoring the module life.
When the life detection function of the Q61P-D is faulty, the LIFE OUT terminal repeats on and off for three times when the
module is started.
Depending on the system, this behavior (on and off) of the LIFE OUT
terminal may not be obtained to the input module due
to delay of the sequence program start after the Q61P-D has started.
In this program example, M11 turns on even though the life detection function is faulty when powered on since the remaining
life is regarded as one year.
Signal Device Function
Monitoring clear command X0F Resets the life monitoring processing
Life warning signal M11
Turns on when the remaining life of the Q61P-D is one
year or less
Error signal M12
Turns on when the life detection function of the Q61P-
D is faulty
Signal Device Function
LIFE OUT signal X00 LIFE OUT terminal status of the Q61P-D
Monitoring clear request M0
An internal signal for resetting the life monitoring
processing
Monitoring start flag M1
An internal signal for detecting offs of the LIFE OUT
terminal
Time monitoring flag M2
An internal signal for counting on and off of the LIFE
OUT terminal
ON/OFF monitoring timer T0
On and off of the LIFE OUT
terminal are counted while
this timer is enabled (6 seconds)
ON/OFF counter D100 Counts on and off of the LIFE OUT
terminal
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