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135
PARAMETERS
4
7) Sum check 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.
8) Error code
If any error is found in the data received by the inverter, its definition is sent back to the computer together
with the NAK code. (Refer to page 139.)
10 1E1 07ADF4
H05 H30 H31 H31H45 H31 H30 H37 H41 H44 H46 H34
(Example1)
Computer
Inverter
ASCII code
Station
number
Instruction
code
Data
Sum check
code
Binary code
Sum
30 + 31 + 45 + 31 + 31 + 30 + 37 + 41 + 44
=1F4
HHHHHHHHH
H
0 117 0 30
H02 H30 H31 H37H31 H37 H30 H03 H33 H30
7
(Example2)
Inverter
Computer
ASCII code
Binary code
Sum check
code
STX
Station
number
Read data ETX
Sum
30 + 31 + 31 + 37 + 37 + 30
=130
HHHHHH
H
ENQ
When Pr. 123 "waiting time setting"
9999, create the communication request data with no "waiting time" in the data format.
The number of characters is decreased by 1.)
*Waiting
time