48 SI-Ethernet User Guide
Issue: 3
S.MM.PPP : Status and Command
This parameter contains the command code (bits b7 to b0) and status (bits b15 to b8) information.
Possible values for Status
are
:
Possible values for Command (bits b7 to
b0)
are
:
S.MM.PPP + 1
:
Destination IP address
(wwwxxx)
This parameter is used to specify the first two octets (wwwxxx) of the destination IP address.
S.MM.PPP + 2 : Destination IP address (yyyzzz)
This parameter is used to specify the last two octets (yyyzzz) of the destination IP
address
.
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
Value Meaning Description
0IDLE Idle.
1 READY The parameter channel is ready to take command.
2 PROCESSING Processing the command.
3 OK The command processed successfully.
4 ERROR Error is detected, detail will be found in the first parameter.
Value Meaning Description
0No
Comma
nd
No command or Abort during a command process.
1Check I
Abort
Check if the status idle or abort from read or write command.
2 Read Read one parameter.
3 Write Write one parameter.
The value
127.
0
.
0.1
would access the current
drive
.