Omron CJ1W-SCU32 Operation Manual page 344

A Standard System Protocol
End code
"00"
"0F"
"10"
"11"
"12"
"13"
"14"
"16"
"18"
Example
The command and response frames for a K3N@-series Intelligent Signal Processor are shown
below.
Command Frame
Node No.
Subaddress
"00"
Command
VARIABLE AREA READ
VARIABLE AREA WRITE
PARAMETER AREA READ
PARAMETER AREA WRITE
PROCESSOR STATUS READ
CONTROLLER STATUS READ
ECHOBACK TEST
OPERATION COMMAND
Response Frame
R-10
Name
Normal end The command frame was processed normally without any of the fol-
lowing errors.
Command error The specified command could not be executed. Refer to the
response code for more information.
Parity error A parity error was detected for one of the characters that was
received.
Framing error A framing error was detected for one of the characters that was
received.
Overrun error A overrun error was detected for one of the characters that was
received.
BCC error The BCC for the receive frame was incorrect.
Format error An illegal command or illegal character was received in the command
and text (characters other than ASCII 0 to 9 or A to F).
Subaddress error The receive frame contained an illegal subaddress or header.
Frame length error The receive frame was too long.
Command text
"0"
Command
code
"01" "01" Variable type
"01" "02" Variable type
"02" "01" Parameter
type
"02" "02" Parameter
type
"05" "03"
"06" "01"
"08" "01" Test data
"30" "05" Command code
Node No. Subaddress End code
"00"
Command
code
CJ-series Serial Communications Units Operation Manual for NJ-series CPU Unit(W494)
Meaning
Data
Data contents
Address "00" No. of ele-
ments
Address "00" No. of ele-
ments
Address No. of elements
Address No. of elements
Response text
Data
Response
code
Write data
Write data