WindO/I-NV4 User’s Manual 17-3
1 Overview
17
Preventive Maintenance Function
1.3 Thresholds
The threshold is a value that is the criterion for reporting to a configured device address (Report Device Address)
when the value counted for the operation time or operation count (a value of Operation Time Device Address or
Operation Count Device Address) has reached the threshold value. 1 is written to the configured device address when
the operation time and operation count reach the threshold.
Example: When the value of Operation Time Device Address LKR0 reaches the threshold set for level 1 through level
3, 1 is written to the Report Device Address configured for each level, LM1 through LM3.
Level Threshold Report Device Address
Level 1 10 LM1
Level 2 15 LM2
Level 3 20 LM3
1
0
1
0
1
0
Operation Time Device Address
LKR0 value
9 10 11 12 13 14 15 16 17 18 19 20 21 22
Level 1 threshold Level 2 threshold Level 3 threshold
Level 1 Report Device Address
LM1 value
Level 2 Report Device Address
LM2 value
Level 3 Report Device Address
LM3 value
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