Sanken S06-4A005-B Instruction Manual page 170

the ASCⅡ-format message, the communication time for one message is shorter. This format is available only for the
frequency setting (O), forward run (P), reverse run (Q), stop (R) and alarm reset (S) commands.
If the message check function is disabled (F4001=0), "SUM" is not necessary for messages in ASCⅡ or BINARY format.
1) Message from computer to inverter (ASCⅡ format)
Item Name
① HD Start code
②③ IN Inverter No.
OP Command code
④
DT Data
⑤
SUM Checksum
⑥
⑦⑧
EM End code
or ⑦
Reference 1: As an example of checksum calculation for ASCⅡ format, set the function code F2101 of the first inverter to
50.00HZ.
Item
Start code
①
②
Inverter No.
③
Command code
④
Data
⑤
Sum of ASCⅡ codes ⑴-⒀
2's complement of the lower byte of the sum
Change bit 7 to 0 and change bit 6 to 1.
⑥
※ Frequency data consists of a 3-digit integer part and a 2-digit decimal part.
Fixed length Variable length
Message transmission start code（"*"：ASCⅡ code 2AH）
Inverter number at sending end. Data format: 2 bytes fixed
The inverter number is set by function code F4006
Example: Inverter number 20 ②→"2", ③→"0"
Inverter command code
Example: Function code data read/write contents
1） Function code number section (Data format: 4 bytes fixed)
Example: code number F2103
2） Function code data section (Data format: 5 bytes fixed)
Example: code data 123
⑸→"0"⑹→"0"⑺→"1"⑻→"2"⑼→"3"
◎The data length and format are determined by each command. For details, please refer
to Details of message formation.
Obtain the 2's complement of the lowest byte of the binary sum of data ①-⑤. Change bit
7 to 0 and bit 6 to 1. (See reference 1.)
The code to end data transmission. Please determine it according to function code F4010.
ASCⅡ code 0DH ("CR")and 0AH ("LF")or 0DH ("CR")
Name
*
01
N
Function code number
F2101
Function code data
50.00Hz※
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Content
⑴→"2"⑵→"1"⑶→"0"⑷→"3"
Code number Code data
⑴ 2AH "*"
⑵ 30H "0"
⑶ 31H "1"
⑷ 4EH "N"
⑸ 32H "2"
⑹ 31H "1"
⑺ 30H "0"
⑻ 31H "1"
⑼ 30H "0"
⑽ 35H "5"
⑾ 30H "0"
⑿ 30H "0"
⒀ 30H "0"
292H lower byte: 92H
6EH
6EH=01101110B→01101110B=6EH
Checksum: 6EH.
Content