Omron CJ Series Operation Manual page 222

6 Message Communications
 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_Inp PROFIBUS service must be set to 38 (Hex).
Data length (Bytes) (Response)
This parameter defines the number of Input data bytes returned by the slave device. The number
ranges from 0 to 244 bytes. The most significant byte is set to 00.
Input data (Response)
Input data returned by the slave device.
 Response Codes
Response code
0000
1001
1002
110C
2208
0001
0402
Rd_Outp Service
The PROFIBUS DP Rd_Outp service allows a PROFIBUS Master Unit to read the current output 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.
6-12
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.
CJ-series PROFIBUS Master Unit Operation Manual for NJ-series CPU Unit (W509)
Data length Input data
(Bytes)
Description