Honeywell SmartLine ST700, Руководство пользователя

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Page 44
ST 700 Series HART/DE Option User’s Manual
Revision 4.0
Online/Device
Setup/Detailed Setup
(
Continued …)
Output Condition
The following output-related values and operations are
available in this menu:

Poll Address: Click HART short address 0 to 63.

Num req preams: Displays the number of
required request preambles for the ST 700 HART
communications

PV AO: Displays the current value of AO
(analog output) in milliamps

PV AO Alm Type: Displays the current position
of the failsafe jumper on the electronics board
(upscale/ lowscale burnout)

Loop mA: Click the Loop Current Mode
configuration:

Enable: Enables loop current mode (analog
output will operate as a 4 to 20 mA signal
consistent with the transmitter output)

Disable: Disables loop current mode (analog
output will be fixed at 4 mA)

Loop test: This function enables the user to test
the Analog Output measurement at any value
over the full operational range. Click a current
value to apply and verify the current output on
the loop with a calibrated meter.
This function is only available when
Loop mA
(Loop Current mode) is Enabled.

D/A trim: perform an analog output calibration at
4.00 and 20.00mA (0% and 100% output).
Online/Device
Setup/Meterbody
Selections Displays detailed information pertaining to the
Meterbody, including construction configuration,
materials of construction, fill fluids, and process
connection details.
Online/Device
Setup/Display Setup
(for Basic Display &
Standard Display
Only*)
Display
Connected Indicates the type of display installed on the transmitter.
Read Screen Info Displays configured information for each of the eight
display screens. Click a screen number to view details
of the configurations selected in the
Screen
Configuration menu.
Screen
Configuration The display screen may be customized with the following
settings:

PV Selection: Click the displayed process
variable as:
o
Differential Pressure
o
Loop Output
o
Percent Output

Pressure Units: Click desired standard
pressure unit.

Number of Decimals: Click the number of
decimal places for the PV display from none to 3.

Custom Tag: Enter a custom tag name for the
screen title up to 14 alphanumeric characters.