10
8.0 UNIVERSAL COMMANDS
Command 3 returns the current loop variable and the primary variable for a total of 9 bytes returned.
Command 9 returns the PV only.
9.0 COMMON PRACTICE COMMANDS
The following common practice commands are implemented.
9.1 SUPPORTED COMMANDS
The following common-practice commands shown in Table 4 are implemented:
Reset Configuration Changed Flag
Returns Priority Fault, High Byte
Returns Priority Fault, Low Byte
Returns Error Status (same as Modbus register x02), High Byte
Returns Error Status (same as Modbus register x02), Low Byte
Returns Power Cycled Flag
Returns Event Happened Flag
Returns 0x01 = “Maintenance Required” or 0x02 = Alarm or Warning
Table 4: Observer-i Common Practice Commands
9.2 BURST MODE
The Observer-i does not support Burst Mode.
9.3 CATCH DEVICE VARIABLE
This Observer-i does not support Catch Device Variable.