Hach ORBISPHERE 51 Series User Manual page 85

Communication Menu
Commands
The "Command Output Buffer" is formatted as follows:
Output command toggle (OCT)
Output command ID (OCI)
Output command data byte 1 (OCD1)
Output command data byte 2 (OCD2)
Output command data byte 3 (OCD3)
Output command data byte 4 (OCD4)
The "Command Input Buffer" is located just after the measurement data and is formatted as
follows:
Input command toggle (ICT)
Input command status (ICS)
Input command data byte 1 (ICD1) Input byte
Input command data byte 2 (ICD2) Input byte
Input command data byte 3 (ICD3) Input byte
Input command data byte 4 (ICD4) Input byte
The following commands are available:
• Change product
• Set channel hold status
Change product command - output
Change product command - input
84
Name
Name
Name Value
OCT 1-2
OCI 1 Command ID
Channel number:
OCD1 0 0 = Channel 1
1 = Channel 2
OCD2 0-99 Product number
Erase measurement files:
OCD3 0-1 0 = Never erase the measurement files.
1 = Erase measurement file if necessary (e.g. gas unit changes)
OCD4 Not used
Name Value
ICT 1-2
0 = OK
1 = Unknown command ID
ICS 0-3
2 = Invalid parameter (e.g. invalid channel no or product number)
3 = Execution failure
ICD1 Not used
ICD2 Not used
ICD3 Not used
ICD4 Not used
Type
Output byte
Output byte
Output byte
Output byte
Output byte
Output byte
Type Size
Input byte 8 bits
Input byte 8 bits
8 bits
8 bits
8 bits
8 bits
Comment
Comment
Size
8 bits
8 bits
8 bits
8 bits
8 bits
8 bits
Offset Offset
Channel 1 Channel 2
28 51
29 52
30 53
31 54
32 55
33 56
Offset
0
1
2
3
4
5
Offset
Channel 3
74
75
76
77
78
79