Yokogawa GD40 Gas Density Detector - Manual (Page 46)

<3. Operation>
3-3
IM 11T3E1-01E
3.1.3 Display on Operation Panel and Operation Keys
Figures 3.1 and 3.2 illustrate the operation panels of the Model GD402G and GD402T, GD402V,
GD402R converters, respectively.
The operation panel has a display and operation keys. Use the seven operation keys on the
panel to set operation parameters, and so on.
MODE
DENSITY
DENSITY (COMP.)
VOL.% CONC.
MEASURE
SPEC GRAVITY
CALORIC VALUE
MOL.WEIGHT
DISPLAY
SEL GAS RANGE
SEMI CAL.
MANUAL CAL.
VALVE
RANGE
CAL DATA
ALARM
SERVICE
YES NO MODE
ENT
*
E X A GD402
contacts
MARKINGS
WITHIN
ENCLOSURE
MAINT
ALARM
CAL/SEL
FAIL
State Display
Data Display
Message Display
Key operation Display
Operation Key
【YES】: When the blinking "Key Operation
Display" is YES, the YES key is pushed.
【NO】: When the blinking “Key operation
Display" is NO, the NO key is pushed.
【MODE】: When switching from the measure-
ment mode to the operation mode,
the mode key is pushed. When
switching from modes other than
the measurement to the measurement
mode, the mode key is pushed.
【 】: This switch is used to select the input
data the digit.
【 】: This switch selects the input data value.
【ENT】: When the input data is entered,
this switch is pushed
Operation level
display panel
Setting level / Service
level display panel
Setting level / Service
level selection switch
F0301.ai
Figure 3.1 Functional Description of GD402G Converter (Cover Open)
UNIT /MODE
kg/m 3 DENS
kg/m 3 DENS COMP
vol% conc
MEASURE
SP 3R
MJ/m 3
MOL WT
VALVE
SEMI CAL
MANUAL CAL
SUB MENU
RANGE
CAL DATA
ALARM
SERVICE
CONTACTS
MAINT ALARM CAL/SEL EXA GD402 FAIL
YES NO MODE
ENT
*
DISPLAY
State Display
Data Display
Message Display
Key operation Display
Operation Key
【YES】: When the blinking
"Key Operation Display" is YES,
the YES key is pushed.
【NO】: When the blinking “Key operation
Display" is NO, the NO key is pushed.
【MODE】: When switching from the measure-
ment mode to the operation mode,
the mode key is pushed. When
switching from modes other than
the measurement to the measurement
mode, the mode key is pushed.
【 】: This switch is used to select the input
data the digit.
【 】: This switch selects the input data value.
【ENT】: When the input data is entered,
this switch is pushed
Setting level / Service
level display panel
Setting level / Service
level selection switch
F0302.ai
Operation level
display panel
Figure 3.2 Functional Description of GD402T, GD402V, GD402R Converter
(Cover Open)