Appendix D
Dewpoint Display
AL1
SET
/RST
AL2
OUT
Dewpoint Display 4
AL1
SET
/RST
AL2
OUT
Dewpoint Display 4
AL1
SET
/RST
AL2
OUT
Dewpoint Display 4
AL1
SET
/RST
AL2
OUT
Dewpoint Display 4
AL1
SET
/RST
AL2
OUT
Dewpoint Display 4
AL1
SET
/RST
AL2
OUT
Dewpoint Display 4
AL1
SET
/RST
AL2
OUT
Dewpoint Display 4
AL1
SET
/RST
AL2
OUT
Dewpoint Display 4
AL1
SET
/RST
AL2
OUT
Dewpoint Display 4
AL1
SET
/RST
AL2
OUT
Dewpoint Display 4
press SET
press SET
press SET
press SET
press SET
press SET
press SET
press SET
hold SET for more than 3 sec
AL1
SET
/RST
AL2
OUT
Dewpoint Display 4
AL1
SET
/RST
AL2
OUT
Dewpoint Display 4
AL1
SET
/RST
AL2
OUT
Dewpoint Display 4
AL1
SET
/RST
AL2
OUT
Dewpoint Display 4
AL1
SET
/RST
AL2
OUT
Dewpoint Display 4
AL1
SET
/RST
AL2
OUT
Dewpoint Display 4
AL1
SET
/RST
AL2
OUT
Dewpoint Display 4
press SET
press SET
press SET
press SET
press SET
press SET
press SET
press SET
Set LSP
and USP
before setting
Alarm V
alues.
Alarm/Relay 1 Setting
≤
≤
Normal Display Mode
Value shown is computed from
,
, the
measured 4/20mA input, and is adjusted by Offset
Value (
).
Alarm/Relay 1 Polarity
=relay ON above
=relay ON below
The AL1 light on the upper right corner of the
display will light when the alarm Relay 1 is ON
(energized).
Alarm/Relay 2 Polarity
=relay ON above
=relay ON below
The AL2 light on the upper right corner of the
display will light when the alarm Relay 2 is ON
(energized).
Alarm/Relay 1
Hysteresis
0.0 to 50.0
Alarm/Relay 2
Hysteresis
0.0 to 50.0
Alarm/Relay 2 Setting
≤
≤
Offset Value
Subtracted from measurement before
displaying.
Normally set to 0
See Zeroing Display
Input Signal Selection
Select "mA" as shown in the example
on the left for 4/20mA input.
See Input selection
Lower Set Point
Value to compute for Display
when input is 4mA.
Upper Set Point
Value to compute for Display
when input is 20mA.
Units to show on lower display when in Normal
Display Mode. This setting does not change
the displayed value, it is only a legend. Refer
to PLMa transmitter for actual units.
Decimal Point setting
Lock Changes
Set to 000 to allow changes
Set to 010 for read only mode
mA
V
A
mV
Rt
Pt100
Transmit Analog Output Low
Value.
<
<
Display Value that will
generate a 4mA output.
Transmit Analog Output High
Value.
<
<
Display Value that will
generate a 20mA output.
B
S
R
T
E
J
K
Address of communication
interface option, 0-255.
When in any of the 16 Menu Screens " AL1 " to " LCK ":
•
Press "SET" to store the selection and move to the next menu screen.
•
Press " <</RST " to select one of the digits on the lower display for change
and then use the "
" or "
" buttons to make the change,
press " <</RST " again to select a different digit.
•
If no buttons are pressed for 25 seconds the display will revert to Normal Display Mode.
Menu Screens in Menu Display Mode
(
)
High
Low
(
)
High
Low
PhyMetrix Dewpoint Display 4 User Interface
(Factory Default Values shown)
=PPM)
=LBS H2O/MMSCF;
(
Troubleshooting and diagnostic messages
•
The upper screen will show "
", if the input is
more than 110% of
range.
•
The upper and lower screen sections will flash
"
.
.
.
.", if the display temperature range
is exceeded.
19
