8 Parameter detail setup     
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8.1.18  Filter Counter (The number of digital filter) 
   
Designate the number of sampling which apply to digital filter.   
When you set Filter Type(Input digital filter), this parameter is activated.   
  Setting range: 1 to 128 
  Factory default: - 
 
When the set value of input digital filter is ‘4’, it does moving average input sampling values for 
0.1 sec (100ms) and displays this value.   
 
D1=S1 
D2 =
S1 + S2
2
 , D3 =
S1 + S2 + S3
3
 
Display values of D1, D2, D3 is the initial operation before averaging 4 sampling values.   
D4 =
S1 + S2 + S3 + S4
4
 , D5 =
S2 + S3 + S4 + S5
4
 
D6 =
S3 + S4 + S5 + S6
4
 , D7 =
S4 + S5 + S6 + S7
4
 
D8 =
S5 + S6 + S7 + S8
4