Emerson Process Management 3400, 3410, 3420, 3422 Archive logs, Digital Input, Modbus communication, Upgrading the meter program, Viewing transducer waveforms, Self-testsand data reliability

Reference, Installation, and Operations Manual	Table of Contents
3-9000-743 Rev S	June 2013

6.2	Frequency, digital, and analog outputs .........................................................		215
	6.2.1	Frequency outputs ...........................................................................................	215
	6.2.2	Digital outputs .................................................................................................	219
	6.2.3	Analog (Current) output...................................................................................	221
6.3	Digital Input ...............................................................................................		226
6.4	Modbus communication ..............................................................................		227
	6.4.1 Mapping data points to Modbus Registers........................................................		227
	6.4.2	Log record access .............................................................................................	228
6.5	Optional gas chromatograph interface .........................................................		228
	6.5.1	Hardware configuration ...................................................................................	228
	6.5.2	Software configuration.....................................................................................	229
	6.5.3	Gas property data.............................................................................................	229
	6.5.4	Data polling......................................................................................................	230
	6.5.5	GC data validity ................................................................................................	231
	6.5.6	GC alarm handling............................................................................................	231
6.6	Archive logs ...............................................................................................		232
	6.6.1	Daily log ...........................................................................................................	232
	6.6.2	Hourly log ........................................................................................................	238
	6.6.3	Audit log ..........................................................................................................	241
	6.6.4	Alarm log .........................................................................................................	252
	6.6.5	System log .......................................................................................................	254
	6.6.6	Reading log records..........................................................................................	254
6.7	Viewing transducer waveforms ....................................................................		256
6.8	Upgrading the meter program .....................................................................		256
	6.8.1 Power disruption during firmware upgrade ......................................................		257
6.9	Self-tests and data reliability .......................................................................		259
	6.9.1	RAM integrity ...................................................................................................	259
	6.9.2	Program integrity.............................................................................................	259
	6.9.3	Stored data integrity ........................................................................................	259
	6.9.4	Hardware watchdog.........................................................................................	259
	6.9.5	Program execution integrity.............................................................................	260
	6.9.6	Log transfer integrity........................................................................................	260
	6.9.7 Data value limit checks.....................................................................................		260
	6.9.8	Configuration dependency checks ...................................................................	260

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