Details of Command
- CIMON (Unlicensed)
Read Word Data
Function
This is used to read the data in the word device of a PLC. (Max. 63 words)
Device Symbol: X, Y, M, L, K, F, Z, TC, TS, CC, CS, D, S
Request Frame (Master)
COMMAND: ‘R’
Data Device Format
Address 8 Char | Size (Word) Hexadecimal, 2 Char | ...... | Address 8 Char | Size (Word) Hexadecimal, 2 Char |
[Master(Request Format)]
HEADER | Stn H | Stn L | Cmd | Leng H | Leng L | Data | BCC H | BCC L | EOT |
ENQ | 02 | R | 0A | D0000001 01 | B9 | EOT | |||
05H | 30H | 32H | 52H | 30H | 41H | 4430303030303031 3031H | 42H | 39H | 04H |
Leng is the length of a data and its value means the length of a data (D0000001 01).
Data means the address really read (D0000001) and the length of the word data read (01).
BCC is the remainder value when dividing the binary-sum from Cmd to the end of data by 256.
Response Frame (Slave)
COMMAND (In completed case: ‘R’ / In failed case: ‘E’)
Format of Data Device
[Completed Case]
PLC Data
Word Data 4 Char | Word Data 4 Char | ...... | Word Data 4 Char |
Slave(Response Format)
HEADER | Stn H | Stn L | Cmd | Leng H | Leng L | Data | BCC H | BCC L | ETX |
STX | 02 | R | 04 | F4AC | B4 | ETX | |||
02H | 30H | 32H | 52H | 30H | 34H | 46344143H | 42H | 34H | 03H |
The request frame received from a master is used as the response frame of a PLC.
BCC is the remainder value when dividing binary-sum from Cmd to the end of data by 256.
As the response frame is processed, Cmd is ‘R’. (* Leng means the length of a data (F4AC).
[Failed Case]
Error Code
Error Code 2 Char |
Slave(Response Format)
HEADER | Stn H | Stn L | Cmd | Leng H | Leng L | Error Code | BCC H | BCC L | ETX |
STX | 02 | E | 02 | 02 | 09 | ETX | |||
02H | 30H | 32H | 45H | 30H | 32H | 3032H | 30H | 39H | 03H |
The request frame received from a master is used as the response frame of a PLC.
BCC is the remainder value when dividing the binary-sum from Cmd to the end of data by 256.
As the response frame is not processed, Cmd is ‘E’. (*Leng means the length of error code(02).)
Error code displays the type of an error. Please refer to the ‘ERROR RESPONSE’.
[Ex.] Read data from Address D00040 of Station 02H.
Master (Request Format)
HEADER | Stn H | Stn L | Cmd | Leng H | Leng L | Data | BCC H | BCC L | EOT |
ENQ | 02 | R | 0A | D0000040 01 | BC | EOT | |||
05H | 30H | 32H | 52H | 30H | 41H | 4430303030303430 3031H | 42H | 43H | 04H |
Completed Case> reads 1-word data ‘F4AC’
Slave(Response Format)
HEADER | Stn H | Stn L | Cmd | Leng H | Leng L | Data | BCC H | BCC L | ETX |
STX | 02 | R | 04 | F4AC | B4 | ETX | |||
02H | 30H | 32H | 52H | 30H | 34H | 46344143H | 42H | 34H | 03H |
Failed Case> Error in BCC
Slave(Response Format)
HEADER | Stn H | Stn L | Cmd | Leng H | Leng L | Error Code | BCC H | BCC L | ETX |
STX | 02 | E | 02 | 02 | 09 | ETX | |||
02H | 30H | 32H | 45H | 30H | 32H | 3032H | 30H | 39H | 03H |
Write Word Data
Function
This is used to write a data to the word device of a PLC.
Device Symbol: X, Y, M, L, K, F, Z, TC, TS, CC, CS, D, S
Request Frame
COMMAND: ‘W’
Format of Data Device
Address 8 Char | Size (Word) Hexadecimal, 2 Char | Word Data Hexadecimal, Size*4 Char | ....... | Address 8 Char | Size (Word) Hexadecimal, 2 Char | Word Data Hexadecimal, Size*4 Char |
[Master (Request Format)]
HEADER | Stn H | Stn L | Cmd | Leng H | Leng L | Data | BCC H | BCC L | EOT |
ENQ | 02 | W | 0E | D0000010 01 FA34 | B0 | EOT | |||
05H | 30H | 32H | 57H | 30H | 45H | 4430303030303130 3031 46413334H | 42H | 30H | 04H |
Leng is the length of a data and its value means the length of the Data (D0000010 01 FA34).
The address really written (D0000010), the length of the data (01) and the data written (FA34) are input in the Data (D1000 02 FA34).
BCC is the remainder value (F3) when dividing the binary-sum from Cmd to the end of data by 256.
Response Frame
COMMAND ( In completed case: ‘W’ / In failed case: ‘E’ )
Format of Data Device
[Completed Case]
No Data
Slave (Response Format)
HEADER | Stn H | Stn L | Cmd | Leng H | Leng L | BCC H | BCC L | ETX |
STX | 02 | W | 00 | B7 | ETX | |||
02H | 30H | 32H | 57H | 30H | 30H | 42H | 37H | 03H |
The request frame received from a master is used as the response frame of a PLC.
BCC is the remainder value when dividing the binary-sum from Cmd to the end of data by 256.
As the response frame is processed, Cmd is ‘W’.
Leng means the length of a data.
[Failed Case]
Error Code
Error Code 2 Char |
Slave (Response Format)
HEADER | Stn H | Stn L | Cmd | Leng H | Leng L | Error Code | BCC H | BCC L | ETX |
STX | 02 | E | 02 | 01 | 08 | ETX | |||
02H | 30H | 32H | 45H | 30H | 32H | 3031H | 30H | 38H | 03H |
The request frame received from a master is used as the response frame of a PLC.
BCC is the remainder value when dividing the binary-sum from Cmd to the end of data by 256.
As the response frame is not processed, Cmd is ‘E’.
Leng(02) means the length of Error Code(01).
Error code displays the type of an error. Please refer to the ‘ERROR RESPONSE’.
[ [Ex.] Write FA34H to Address D0010 and 8D41H to Address D0020. ]
Master (Request Format)
HEADER | Stn H | Stn L | Cmd | Leng H | Leng L | Data | BCC H | BCC L | EOT |
ENQ | 02 | W | 12 | D0000010 02 FA34 8D41 | AF | EOT | |||
05H | 30H | 32H | 57H | 31H | 32H | 4430303030303130 3032 46413334 38443431H | 41H | 46H | 04H |
Completed Case>
Slave (Response Format)
HEADER | Stn H | Stn L | Cmd | Leng H | Leng L | BCC H | BCC L | ETX |
STX | 02 | W | 0 | B7 | ETX | |||
02H | 30H | 32H | 57H | 30H | 30H | 42H | 37H | 03H |
Failed Case>Receiving unknown command code (01H).
Slave (Response Format)
HEADER | Stn H | Stn L | Cmd | Leng H | Leng L | Error Code | BCC H | BCC L | ETX |
STX | 02 | E | 02 | 01 | 08 | ETX | |||
02H | 30H | 32H | 45H | 30H | 32H | 3031H | 30H | 38H | 03H |
Read Bit Data
Function
This is used to read the data in the bit device of a PLC.
Device Symbol: X, Y, M, L, K, F, Z, T, C
Request Frame
COMMAND: ‘r’
Format of Data Device
Address 8 Char | Size (Bit) Hexadecimal, 2 Char | ....... | Address 8 Char | Size (Bit) Hexadecimal, 2 Char |
Master(Request Format)
HEADER | Stn H | Stn L |