Emerson Rosemount 644h, Справочное руководство

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Reference Manual
00809-0100-4728, Rev HA
December 2002
Models 644H and 644R
3-6
Set Output Units
The Set Output Unit command sets the desired primary variable units. Set the
transmitter output to one of the following engineering units:
• Degrees Celsius
• Degrees Fahrenheit
• Degrees Rankine
• Kelvin
• Ohms
• Millivolts
50/60 Hz Filter
The 50/60 Hz Filter command sets the transmitter electronic filter to reject the
frequency of the AC power supply in the plant.
Terminal Temperature
The Terminal Temp command sets the terminal temperature units to indicate
the temperature at the transmitter terminals.
LCD Meter Options (Model 644H Only)
The LCD Meter Option command sets the meter options, including
engineering units and decimal point. Change the meter settings to reflect
necessary configuration parameters when adding a meter or reconfiguring the
transmitter.
To customize variables that the meter displays, follow the steps below:
1. From the home screen select 1 Device Setup , 3 Configuration , 3 Dev
Output Config , 4 LCD Meter Options , and 1 Meter Config .
2. Use the F2 key to turn each of the following options
OFF
or
ON
:
Sensor 1, Terminal Temp, Percent Of Range, Analog Output. As
many outputs as desired an be turned
ON
at once.
3. Press F4,
ENTER
, and then F2,
SEND
, to send the information to the
transmitter. The LCD display will scroll through the outputs selected in
step 2.
To change the decimal point configuration, perform the following steps:
1. From the home screen select 1 Device Setup , 3 Configuration , 3 Dev
Output Config , 4 LCD Meter Options , and 1 Meter Decimal Pt .
2. Choose from Floating Precision or One- , Two- , Three- , or Four-Digit
Precision by pressing F4,
ENTER
. Press F2 to send the information
to the transmitter.
Fast Key Sequence 1, 3, 2, 1, 2, 2
Fast Key Sequence 1, 3, 5, 1
Fast Key Sequence 1, 3, 2, 2
Fast Key Sequence 1, 3, 3, 4