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Computer Link Operation Setting
6) Response time
Data sending time (Refer to the following calculation expression)
omputer
Inverter
Inverter
omputer
Data sending time (Refer to the following calculation expression)
Computer
Inverter
Inverter
Computer
[Data sending time calculation expression]
1
Communication speed
Communication specifications
Name
Number of Bits
Stop bit length
Data length
Parity check Yes
No
7) Sum chck code
The sum check code is 2-digit ASCII (hexadecimal) representing the lower 1 byte (8
bits) of the sum (binary) derived from the checked ASCII data.
(Example 1)
Computer to inverter
ASCII code
Example 2)
Inverter to computer
ASCII code
Inverter data processing time = waiting time + data check time
ACK
STX
10ms or more
required
Data sending time
(Refer to the following calculation expression)
Inverter data processing time = waiting time + data check time
ENQ
10ms or more required
Data sending time (Refer to the following calculation expression)
Number of data characters
(bps)
(Refer to page 82)
1 bit
2 bits
In addition to the bits in the left table,
7 bits
1 bit is required for the start bit.
8 bits
1 bit
Minimum total number of bits ... 9 bits
0
Maximum total number of bits ... 12 bits
E
Station
Instruction
code
N
number
Q
0
1
H05
H30 H31
H45 H31
H
30+31+45+31+31+30+37+41+44 = 1F4
S
Station
T
number
X
0
1
H02
H30 H31
H31 H37
H
H H
30+31+31+37+37+30
(setting 10ms)
ENQ
10ms or more required
(setting 10ms)
Communication specification
(Total number of bits)
(See below)
Data
E
1
1
0
7
A
H31
H30 H37 H41 H44 H46 H34
H
H H
H H H H
Sum
Read data
E
check
T
code
X
1
7
7
0
3
H30 H03 H33 H30
H37
H H H
=
130
84
(12ms)
(12ms)
Data sending time (s)
=
Sum
check
code
D
F
4
Binary code
H
H
Sum
Binary code
0
H
Sum
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