Emerson Model 1700 Manual De Usuario
Options for HART variables
(continued)
Table 6-12:
Process variable
Primary Varia-
ble (PV)
ble (PV)
Secondary
Variable (SV)
Variable (SV)
Third Variable
(TV)
(TV)
Fourth Varia-
ble (QV )
ble (QV )
Mass inventory
✓
Line (Gross) Volume inventory
✓
Gas standard volume flow rate
✓
✓
✓
✓
Gas standard volume total
✓
Gas standard volume inventory
✓
Interaction of HART variables and transmitter outputs
The HART variables are automatically reported through specific transmitter outputs. They
may also be reported through HART burst mode, if enabled on your transmitter.
may also be reported through HART burst mode, if enabled on your transmitter.
HART variables and transmitter outputs
Table 6-13:
HART variable
Reported via
Comments
Primary Variable (PV)
Primary mA output
If one assignment is changed, the other is changed auto-
matically, and vice versa.
matically, and vice versa.
Secondary Variable (SV)
Not associated with an out-
put
put
The SV must be configured directly, and the value of the
SV is available only via digital communications.
SV is available only via digital communications.
Tertiary Variable (TV)
Frequency output (if
present on your transmitter)
present on your transmitter)
If one assignment is changed, the other is changed auto-
matically, and vice versa. If your transmitter does not have
a frequency output, the TV must be configured directly,
and the value of the TV is available only via digital commu-
nications.
matically, and vice versa. If your transmitter does not have
a frequency output, the TV must be configured directly,
and the value of the TV is available only via digital commu-
nications.
Quaternary Variable (QV)
Not associated with an out-
put
put
The QV must be configured directly, and the value of the
QV is available only via digital communications.
QV is available only via digital communications.
6.6.2
Configure HART/RS-485 communications
Display (standard)
OFF-LINE MAINT
> OFF-LINE CONFG > COMM
Chinese-language
display
display
Not available
ProLink II
ProLink
> Configuration > Device > Digital Comm Settings > HART Address
ProLink
> Configuration > RS-485
ProLink III
Device Tools
> Configuration > Communications > Communications (HART)
Field Communicator Configure > Manual Setup > Inputs/Outputs > Communications > HART Communications
Integrate the meter with the control system
106
Micro Motion
®
Model 1700 Transmitters with Analog Outputs