XTC601 User’s Manual
Michell Instruments
25
OPERATION
2.7.8 External Sensor Page
EXT.SENS PV
NONE
N/A
N/A
EXT.SENS MIN
EXT.SENS MAX
UNIT = N/A
Figure 27
External sensor page
This page sets up the type and range of the 4–20mA external sensor signal that may
be connected to the XTC601 for viewing in the Main Page. The range is adjustable
between the MIN and MAX values but is not adjustable for
Other
Other
setting (fixed at 0%
and 100%).
Parameter Description/Operation
Options
EXT.SENS PV
EXT.SENS PV
The process variable that is being measured by
the external sensor
The options available are:
NONE – No external sensor connected
DEWP – Dewpoint
TEMPR – Temperature
PRESS – Pressure
OTHER – User-defined variable
NONE, DEWP,
NONE, DEWP,
TEMPR, PRESS,
TEMPR, PRESS,
OTHER
OTHER
EXT.SENS
EXT.SENS
MIN
MIN
Depends on parameter and unit settings:
Dew point: -100°C, -148°F, 173.0 K
Temperature: -50°C, -58°F, 223.0 K
Pressure: 0.0 psia, 0.0 bara, 0.0 kpa
Other: 0% (non adjustable)
minimum to
EXT.SENS MAX
EX.SENS MAX
EX.SENS MAX
Depends on parameter and unit settings:
Dew point: 20°C, 68°F, 293.0 K
Temperature: 100°C, 212°F, 373.0 K
Pressure: 44.1 psia, 3.0 bara, 304.0 kpa
Other: 100% (non adjustable)
EXT.SENS MIN
to maximum
UNIT
UNIT
These are related to the type of sensor selected
If
Other
Other
is selected, then the unit will be a % of
the overall range
ºC, ºF, K, psia, kPa,
ºC, ºF, K, psia, kPa,
bara, %
bara, %
Table 12
External sensor parameters