Fluke 729 Pro, Руководство пользователя

Страница: 34 / 58

729 Pro
Users Manual
28
Highlight the HART Service menu selection and push
D
( Continue ). When you
enter some of the submenus, a warning tells you to remove the loop from AUTOMATIC
control. Push
D
( Continue ).
PV Zero Trim
This function sets the digital pressure value of the transmitter to zero.
1. Push
C
( Trim Zero ) to trim the PV output value to zero.
2. Push
D
( Done ) when completed.
mA Output Trim
In the mA output trim screen, you can adjust the transmitter output.
1. Start with the 4 mA range. Push
A
( Fetch ) to get the current measured
mA value.
2. Push
B
( Trim 4 mA ) to send the measured value for correction. Push
C
( Next Point ). The Product moves to the 20 mA range.
3. Repeat steps 1 and 2.
4. When complete, push
C
to return to the previous point or
D
( Done ).
Trim to Applied Values
1. Enter the LRV pressure value necessary in the Setpoint entry and then push
E
and let the pressure settle.
2. Push
B
( Trim LRV ) to trim the lower range of pressure applied.
3. Enter the necessary URV pressure value in the Setpoint entry and push
E
and let
the pressure settle.
4. Push
C
( Trim URV ) to trim the upper range of pressure applied.
Set Fixed mA Output
Enter the necessary mA value to output from the connected transmitter:
• Push
B
( Step Up 4mA ) to increase mA output in 4 mA steps.
• Push
C
( Step Down 4mA ) to decrease mA output in 4 mA steps.
Re-range Transmitter
Change the Upper Range Value (URV) and the Lower Range Value (LRV) of the
connected transmitter from this screen.
1. Enter the Upper Range Value (PV URV) necessary.
2. Push
E
to select.
3. Push
C
( Send ) to change the URV.