Ametek 3050-OLV

PN 305200901, Rev YT
SERIAL COMMUNICATION INTERFACE (MODBUS
®
) ..........................................................6-1
Analyzer Modbus Interface Parameters .........................................................................................6-3
Modbus Address .............................................................................................................................6-3
Communication Parameters .......................................................................................................6-3
Modbus Functions .......................................................................................................................... 6-4
Exception Code................................................................................................................................6-4
Holding Registers ............................................................................................................................6-5
ID/Status Information .................................................................................................................6-10
Analyzer Conguration Operations ......................................................................................6-11
Conguration Examples ..................................................................................................... 6-11
Example 1: Alarm Enable............................................................................................6-11
Example 2: Setting the High Alarm Limit ................................................................6-11
Example 3: Setting the Low Alarm Limit .................................................................6-12
Example 4: Enabling “Hold During Verify” .............................................................6-12
Example 5: Setting the High-End of the Analog Output .....................................6-12
Example 6: Setting the Low-End of the Analog Output ......................................6-12
Example 7: Switching to “Sensor Saver” Mode......................................................6-12
Example 8: Switch to Dewpoint Readings ..............................................................6-13
Example 9: Selecting a Sample Gas .........................................................................6-14
Example 10: Setting Verication Schedule ............................................................. 6-15
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