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FX Series PLC User's Manual - Data Communication Edition
Inverter Communication
3. Calculation example 3
Calculation of required time when Pr. 10 to Pr. 14 [
T
= T
+ T
inv
1
2
T
= 1[ms], T
1
3
Calculate "T2" as follows because Pr.10 to Pr. 14 do not require change of the 2nd parameter and the
time required for writing is same in each parameter.
= ( 2 (T
T
2
4
Time required to write Pr. 10
= 5 ( 2 (T
S
2
15
T
= ( INT(
4
10
T
= 1[ms]
5
T
[1] = ( INT(
6
T
[1] + T
[1] + T
7
8
T
[1] + T
[1] = ( (
7
9
T
[1] = 12[ms]
8
T
[2] = ( INT(
6
T
[2] + T
[2] + T
7
8
T
[2] + T
[2] = ( (
7
9
T
[2] = 30[ms]
8
T
= T
+ T
inv
1
2
+ T
= 512[ms]
3
= 1[ms]
[2] ) + ( 2 (T
+T
) + T
[1]+T
5
6
6
Time required to write Pr. 11
[2] ) = 5 ( 2 (20+1) + 20 + 40 ) = 510[ms]
+T
) + T
[1]+T
4
5
6
6
) + 1 ) 10 = 20[ms]
T
[1] + T
[1] + T
[1]
7
8
9
) + 1 ) 10 = ( INT(
10
[1] = 7.8 + 12 = 19.8[ms]
9
1
) (11+4) 10 ) 1000 = 7.8[ms]
19200
T
[2] + T
[2] + T
[2]
7
8
9
) + 1 ) 10 = ( INT(
10
[2] = 8.9 + 30 = 38.9[ms]
9
1
) (13+4) 10 ) 1000 = 8.9[ms]
19200
+ T
= 1+510+1 = 512[ms]
3
2.4 Execution Times in Inverter Communication Instructions
= 5] are written by the IVBWR instruction
S
2
+T
) + T
[3]+T
[4] ) +
4
5
6
6
19.8
) + 1 ) 10 = 20[ms]
10
38.9
) + 1 ) 10 = 40[ms]
10
2 Specifications
A
B
C
D
E
F
G
H
I
Apx.A
E-15
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