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Procedural Considerations

Page 46 34-ST-25-20 MC Toolkit User Manual Release 0

7/03

Honeywell HART Main Menu Procedures

Basic

Setup

Honeywell ST 3000

Transfer Function - Linear or Square Root

(select)

SV Units - Engineering Units for

Secondary Variable (select)

Sensor Type- DP, GP, AP (read):

Honeywell STT 3000

CJT Units - Engineering Units for Cold

Junction Temperature (select)

LRL - Lower Range Limit; URL - Upper Range Limit (read)

LRV - Lower Range Value ; URV - Upper Range Value (enter or read)

PV Sensor Units (r/w) - Engineering Units (select)

Damping - Filtering factor for process "noise" (in seconds - select)

Output

Condition

HART Output

Poll Address

To change the Poll Address

(0-15) of the connected

device:

· Select the desired address

from the pull-down list

· Select the Send button.

Scaled D/A Trim - (Refer to

Table 23 for more

information.)

Alarm Direction - Failsafe

(

Upscale | Downscale)

jumpered or switched in

field device)

NAMUR - Select output

levels:

Standard or NAMUR

Req. Preambles - Number

of preambles required

Alarm

Break Detect - select

Disabled or Enabled

When Enabled, the

transmitter checks for open

Thermocouple.

Latching Alarm - select

Disabled or Enabled

When Enabled, the output

remains in Failsafe until the

critical status condition is

cleared, and the transmitter

is reset.

When Disabled, if the

transmitter goes to Failsafe,

the transmitter will clear

Failsafe as soon as the

critical status condition is

cleared.

Click on the

Clear Latching button to

clear the Failsafe condition

if the Latching Alarm is

Enabled.

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Compaq MC-1 Manuale Utente Pagina 54

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