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Alarm Lists (NV4W/NV3Q)
Alarm History Control Words (2 Words)
Bits
15
Word
n
n+1
3. Set the alarm history control.
14
13
12
11
10
Group Monitor Stop Bits:
Group Memory Overflow Flags:The flag will turn ON if the number of sampled
Group Memory Clear Bits:
Group Memory Cleared Flags: After PT memory has been cleared, the corre-
9
8
7
6
5
Monitoring will be stopped if the bit is turned
ON from the PLC.
alarms exceeds the number of records to
store that is specified in the NV Configuration.
The flag will remain ON until memory is
cleared.
The recorded data will be cleared if the bit is
turned ON from the PLC. Do not turn OFF a
bit until the corresponding Memory Cleared
Flag turns ON.
sponding bit will be turned ON from the PT.
The flag will not turn OFF until the Memory
Clear Bit has been turned OFF.
Section 7-11
Set the basic setup. After
completing the settings, click
the OK Button to end setting
the PT Configuration.
Alarm History Control: On
Address:
W16
4
3
2
1
0
147
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