Omron CJ Series Operation Manual page 221

The PROFIBUS Ident Number is a 1 word identifier, issued by PROFIBUS International, which iden-
tifies the slave device type and model. The number can be obtained form the slave device GSD file
or from the slave documentation.
New Device Address (Command)
Contains the new address of the device. The valid address range is 0 to 7E (Hex).
Address Change Lock (Command)
Enables address lock, after changing it. Valid range:
• 00 Disable Address Lock
• 01: Enable Address Lock
Precautions for Correct Use Precautions for Correct Use
Enabling Address Lock makes any future changes of the address impossible, even after power-
down/power-up of the slave device.
 Response Codes
Response code
0000
1001
1002
110C
2208
0001
0402
Rd_Inp Service
The PROFIBUS DP Rd_Inp service allows a PROFIBUS Master Unit to read the current input 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.
 Command Format
CJ-series PROFIBUS Master Unit Operation Manual for NJ-series CPU Unit (W509)
Normal completion
Command too large, i.e. > 124 words
Command too short, i.e. < 4 words.
• Device Address Invalid, i.e. > 7E (Hex)
• New Device Address Invalid, i.e. > 7E (Hex)
• Address change lock invalid, i.e. not equal to 00 or 01.
• Invalid target slave address (exceeds 125).
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.
• New Address is same as current master address.
Service is not supported: Device Service Access Point is invalid.
28 09
Command
code
Device
address
6 Message Communications
Description
38
Device Service
Access Point
6
6-11