User manual

105G Wireless Gateway User Manual
Elpro_man_105g_1.18.doc Page 108
Returned data
• Return Code
See "Return Codes" in section “DP Error Codes” below.
• Fault Information
If ‘Invalid Other ’is returned in the Message Information word in the header of the response,
information about the fault can be found here.
0001h: Address out of range
000Ah: Failed to execute MSAC1_Alarm_Ack request
000Bh: Remote station failure
0010h: Remote Station DPV1 Failure (see ‘Error Decode’ below).
00FFh: Module not initialized
• Error Decode, Error Code 1 & Error Code 2
If ‘Fault Information’ contains error code 0010h, more information according to the DPV1
specification can be found here.
DPV1 Acyclic Write
MSAC1_WRITE: Command Number = 0021h
This command initiates a DPV1 Class 1 acyclic write request. Consult EN50170 (DPV1) for
more information.
Command and response layout:
Command Response
Message ID
(ID) (ID)
Message Information
4002h 0002h
Command Number
0021h 0021h
Data Size
(Size of data) (Size of data)
Extended Word 1
Slave Add Slot No. Slave Add Slot No.
Extended Word 2
Index Length Index Length
Extended Word 3
- -
Extended Word 4
- -
Extended Word 5
- - Error Decode
Extended Word 6
- Err Code1 Err Code2
Extended Word 7
- Return Code
Extended Word 8
- Fault Information
Message data byte 1
Data 1 Data 1
:::
::: :::
Message data byte n
Data n Data n