(N) Operation via communication and its settings
Parameters
5 - 474
●
Sum check code
The sum check code is a 2-digit ASCII (hexadecimal) representing the lower 1 byte (8 bits) of the
sum (binary) derived from the checked ASCII data.
I002737E
Fig. 5-237:
Sum check code (examples)
ENQ
1
0
1
E
1
0
7
A
D
F
4
H05
H30 H31
H31
H45 H31
H30 H37 H41 H44 H46 H34
H30+H31+H45+H31+H31+H30+H37+H41+H44
= H1F4
STX
0
1
1
7
0
3
0
H02
H30 H31
H37
H31 H37
H30 H03 H33 H30
ETX
7
H30+H31+H31+H37+H37+H30
= H130
(Example 1)
Computer
Inverter
ASCII Code
Station
number
Station
number
Computer
Inverter
(Example 2)
ASCII Code
Instruction
code
Data read
Data
Sum
check
code
Sum
check
code
Sum
* When the Pr. 123 or Pr. 337 (Waiting time setting) ≠"9999", create the communication request
data without "waiting time" in the data format. (The number of characters decreases by 1.)
Binary code
Binary code
Sum
*W
a
itin
g
tim
e
Содержание FR-F820-00046
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Страница 114: ...System configuration for Ethernet communication FR F800 E Installation and wiring 2 86 ...
Страница 172: ...Basic operation procedure JOG operation Basic operation 4 32 ...
Страница 812: ...Inverter to inverter link function FR F800 E Parameters 5 640 ...
Страница 874: ...Measurement of main circuit voltages currents and powers Precautions for maintenance and inspection 7 20 ...
Страница 900: ...Outline dimension drawings Specifications 8 26 ...
Страница 928: ...EC Declarations of Conformity Appendix A 28 A 6 EC Declarations of Conformity A 6 1 FR F820 FR F840 FR F842 series ...
Страница 929: ...Appendix EC Declarations of Conformity FR F800 A 29 ...
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