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174 Micro Motion
®
Model 2400S Transmitters for PROFIBUS-DP
PROFIBUS Bus Parameters
29 SYS_AlarmTime USINT32 S R The timestamp of the alarm status change that
corresponds to the alarm history entry
identified by the alarm history index
Seconds since last power-on time reset
(Index 52)
30 SYS_AckAllAlarms USINT16 S R/W • 0x0000 = Not used
• 0x0001 = Acknowledge
31 SYS_ClearAlarmHistory USINT16 S R/W • 0x0000 = Not used
• 0x0001 = Reset
32 SNS_DriveGain FLOAT D (20 Hz) R The drive gain
%
33 SNS_RawTubeFreq FLOAT D (20 Hz) R The tube frequency
Unit: Hz
34 SNS_LiveZeroFlow FLOAT D (20 Hz) R The unfiltered value of mass flow
Unit: unit configured for mass flow
35 SNS_LPOamplitude FLOAT D (20 Hz) R The left pickoff voltage
Unit: volts
36 SNS_RPOamplitude FLOAT D (20 Hz) R The right pickoff voltage
Unit: volts
37 SNS_BoardTemp FLOAT D (20 Hz) R The temperature on the board
Unit: °C
38 SNS_MaxBoardTemp FLOAT D (20 Hz) R The maximum temperature of the electronics
Unit: °C
39 SNS_MinBoardTemp FLOAT D (20 Hz) R The minimum temperature of the electronics
Unit: °C
40 SNS_AveBoardTemp FLOAT D (20 Hz) R The average temperature of the electronics
Unit: °C
41 SNS_MaxSensorTemp FLOAT D (20 Hz) R The maximum temperature of the sensor
Unit: °C
42 SNS_MinSensorTemp FLOAT D (20 Hz) R The minimum temperature of the sensor
Unit: °C
43 SNS_AveSensorTemp FLOAT D (20 Hz) R The average temperature of the sensor
Unit: °C
44 SNS_WireRTDRes FLOAT D (20 Hz) R The resistance of the 9-wire cable
Unit: ohms
45 SNS_LineRTDRes FLOAT D (20 Hz) R The resistance of the process line RTD
Unit: ohms
46 SYS_PowerCycleCount USINT16 D R The number of transmitter power cycles
47 SYS_PowerOnTimeSec USINT32 S R The cumulative amount of time the transmitter
has been on since the last reset
Unit: seconds since last reset
48 SNS_InputVoltage FLOAT S R Coriolis supply voltage (internal
measurement), ~12 VDC
Unit: volts
49 SNS_TargetAmplitude FLOAT S R The amplitude the transmitter is attempting to
drive the sensor
Unit: mV/HZ
50 SNS_CaseRTDRes FLOAT S R The resistance of the case (meter) RTD
Unit: ohms
Table D-4 Diagnostic block (Slot 3) continued
Index Name
Data
type
Memory
class Access Definition/Code/Comments