Rosemount 5300 Series

Reference Manual

00809-0100-4530, Rev BA July 2009

Figure J-2. Analog Input Function Block Schematic

Analog

Measurement

Access

 

 

 

ALARM_TYPE

 

 

HI_HI_LIM

 

 

 

 

Analog

 

 

 

 

 

 

HI_LIM

 

 

 

 

Meas.

 

Alarm

 

 

 

LO_LO_LIM

 

 

 

 

 

 

 

 

LO_LIM

Detection

 

 

CHANNEL

ALARM_HYS

 

 

 

 

 

 

 

 

 

 

 

LOW_CUT

 

 

 

 

Convert

Cutoff

Filter

 

PV

Status

 

 

 

 

 

 

Calc.

SIMULATE

 

L_TYPE

PV_FTIME

MODE

 

 

 

 

 

 

 

 

 

 

 

 

FIELD_VAL IO_OPTS

STATUS_OPTS

 

 

 

 

 

 

OUT_SCALE

XD_SCALE

NOTES:

OUT = block output value and status.

OUT_D = discrete output that signals a selected alarm condition.

OUT_D

OUT

Figure J-3. Analog Input Function Block Timing Diagram

DAMPING

OUT (mode in man)

OUT (mode in auto)

PV

63% of Change

FIELD_VAL

Time (seconds)

PV_FTIME

The filtering feature changes the response time of the device to smooth variations in output readings caused by rapid changes in input. You can adjust the filter time constant (in seconds) using the PV_FTIME parameter. Set the filter time constant to zero to disable the filter feature.

J-4

Page 310
Image 310
Emerson Process Management 5300 manual Damping, Figure J-2. Analog Input Function Block Schematic