Hach ORBISPHERE 510 - Page 78

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Communication Menu
Commands
The “Command Output Buffer” is formatted as follows:
The “Command Input Buffer” is located just after the measurement data and is formatted as
follows:
The following commands are available:
• Change product
• Activate sensor (valid for EC sensors only)
• Set channel hold status (valid for TC and LDO sensors only)
Change product command - output
Change product command - input
Name Type Size Offset
Output command toggle (OCT) Output byte 8 bits 0
Output command ID (OCI) Output byte 8 bits 1
Output command data byte 1 (OCD1) Output byte 8 bits 2
Output command data byte 2 (OCD2) Output byte 8 bits 3
Output command data byte 3 (OCD3) Output byte 8 bits 4
Output command data byte 4 (OCD4) Output byte 8 bits 5
Name Type Size Offset
Input command toggle (ICT) Input byte 8 bits 28
Input command status (ICS) Input byte 8 bits 29
Input command data byte 1 (ICD1) Input byte 8 bits 30
Input command data byte 2 (ICD2) Input byte 8 bits 31
Input command data byte 3 (ICD3) Input byte 8 bits 32
Input command data byte 4 (ICD4) Input byte 8 bits 33
Name Value Comment
OCT 1-2
OCI 1 Command ID
OCD1 0
Channel number:
0 = Channel 1
OCD2 0-99 Product number
OCD3 0-1
Erase measurement files:
0 = Never erase the measurement files.
1 = Erase measurement file if necessary (e.g. gas unit changes)
OCD4 Not used
Name Value Comment
ICT 1-2
ICS 0-3
0 = OK
1 = Unknown command ID
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