50 SI-Ethernet User Guide
Issue: 1
S.MM.PPP + 3 : Target / source parameter address (SMM)
This parameter specifies the slot number (S) and menu number (MM) of
the target or source parameter.
S.MM.PPP + 4 : Target / source parameter address (PPP)
This parameter specifies the parameter number
(PPP)
of the target or source
parameter
.
S.MM.PPP + 5 : Parameter value (LSW) or error code
This parameter
:
• Stores the least significant word of the value to be written to the destination
parameter if the command is Write (2) or
• Stores the least significant word of the value read from the destination parameter if
the command is read and the status is Done or
• The error code for the process if the status is Error
The following table list the possible error
codes:
Value Meaning Description
-1 Address Type The addressing type is not supported.
-
2
Timeout A timeout occurred trying to access the specified item.
-3 Access Denied The requesting device does not have sufficient access rights.
-4 Does not exist The specified item does not exist.
-5
Data Type The data could not be converted from the specified type.
-6 Failed Read The value could not be read, reason unknown.
-7 Failed Write The value could not be written, reason unknown.
-8 Not Readable The data could not be read as the source does not allow read access.
-
9
Not Writeable
The data could not be written as the destination does not allow write
access.
-10 Over Range The specified value is outside the suitable range for the item.
-11 Request
Invalid
The request contained invalid information.
-
12
Response Too Big The response will not fit in the maximum response size.
-13 Decimal Place
The decimal place information is invalid (i.e. out of range of allowed
values for a write).
-14 Invalid Param Invalid parameter in the parameter channel.
-15 Invalid CMD Invalid command.
-16 Invalid
IP
Invalid IP address.
-17 Unknown Error An unknown error happens.
-18
to
-128
Reserved Reserved for future use.