Robertshaw 5318B, Instruction Manual, Page: 12 / 30

MODEL 5318B INSTRUCTION MANUAL
Level Tek II , Capacitance Level Switch 909GF295
Page 6
SECTION IV – OPERATION
4.1 GENERAL
All controls and indicators are located on the
Measurement PCA. These controls and
indicators are accessible by removing the cover
of the Model 5318B.
CAUTION: UTILIZATION OF THESE
CONTROLS REQUIRES THE REMOVAL OF
THE COVER. REMOVING THE COVER
VIOLATES THE EXPLOSION-PROOF RATING
OF THE ENCLOSURE
4.2 DISPLAYS AND INDICATORS
Figure 4-1 User Controls
4.2.1
LED INDICATORS
There are two (2) LED indicators located above
the LCD display on the Measurement PCA. The
left hand LED (DS203) indicates the health of
the Model 5318B. It flashes at a rate of
approximately once every two seconds.
The other LED (DS202) indicates the current
state of the instrument. It is illuminated when
the Model 5318B is in the ALARM condition,
relay de-energized.
4.2.2
LCD DISPLAY
A 2-line by 8-character liquid crystal display,
LCD, (DS201) is provided to aid in the setup and
calibration of the Model 5318B. In normal
operations the top line displays the current
status and the bottom line displays the current
input.
4.3 SWITCHES
There are four (4) navigation pushbutton
switches located immediately below the LCD
display. These switches are identified as
follows:
•
LEFT [ LT ] (S203)
•
UP [ UP ] (S202)
•
DOWN [ DN ] (S205)
•
RIGHT [ RT ] (S204).
The function of these switches varies as the
user navigates through the menus.
4.4 SETUP
The initial step in putting the Model 5318B into
operation is to determine the proper
configuration of the instrument. The unit is
shipped from the factory with the following
default setup values:
Table 4-1 Default Setup Values
Variable Standard Low Freq Custom
High Setpoint 11400 1065 26250
Low Setpoint 14400 1490 26250
Setpoint
Mode
Adj. Diff Adj. Diff. Control
Failsafe
Mode
HLFS HLFS LLFS
Alarm Delay 5 5 0
Return Delay 3 3 0
Display Mode RAW RAW RAW
Update Rate 4/sec. 4/sec. 4/sec.