Omron CJ Series Operation Manual page 223

Master unit
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 Command Format
 Response Format
 Parameters
Destination Address (Command, Response): The address of the device on the PROFIBUS network,
to which the PROFIBUS message will be sent. The valid address range is 0 to 7E (Hex). The most
significant byte in the Response Format is set to 00.
Device Service Access Point (Command): The Device Service Access Point for the Rd_Outp PRO-
FIBUS service must be set to 39 (Hex).
Data length (Bytes) (Response): This parameter defines the number of Output data bytes returned
by the slave device. The number ranges from 0 to 244 bytes. The most significant byte is set to 00.
Output Data (Response): Output data returned by the slave device.
 Response Codes
Response code
0000
1001
1002
110C
2208
0001
0402
Get_Cfg Service
The PROFIBUS DP Get_Cfg service allows a PROFIBUS Master Unit to read the I/O Configuration
data of any slave device, even if it is not allocated to the Master Unit.
The figures below show the command and response message formats.
CJ-series PROFIBUS Master Unit Operation Manual for NJ-series CPU Unit (W509)
28
09
Command
code
Device
address
28
09
Command
Response
Device
code
code
address
Normal completion
Command too large, i.e. > 2 words
Command too short, i.e. < 2 words.
Device Address Invalid, i.e. > 7E (Hex)
PROFIBUS Master unit not in correct mode, i.e. it is in OFFLINE mode.
• The slave has deactivated this service.
• The slave has not responded to the request.
• The slave does not have sufficient memory space for the request data.
• Destination address is same as current master address.
Service is not supported: Device Service Access Point is invalid.
6 Message Communications
39
Device Service
Access Point
Data length
Output data
(bytes)
Description
6
6-13

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