Fema Electronica B Series, Руководство пользователя, Страница: 11 / 28

FEMA ELECTRÓNICA . SERIES B . Models Bxx-T
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1.13.2 Initial set-up
To configure the initial set up of the instrument, select the
sensor that is connected to the instrument, and then config -
ure the parameters at the ‘temperature configuration’ menu.
At the ‘
Input ’ (‘ Inp ’) parameter, select the sensor that is con -
nected to the instrument. Available options are Pt100 / RTD
with 2 wires, Pt100 / RTD with 3 wires, and thermocouples J,
K, T, E, S, R, N, C, L and X. Thermocouple X is a linear 10 uV/ ºC
signal.
At the ‘ Temperature configuration ’ (‘ cnF.t ’) menu, configure
the following parameters:
• at the ‘ Degrees ’ (‘ dEG ’) parameter select ‘ ºc ’ to read the
temperature in degrees celsius or ‘ ºF ’ to read in degrees
Fahrenheit.
• at the ‘
Resolution Pt100 ’ (‘ P.rES ’) parameter select ‘ 1º ’ to
read the Pt100 / RTD with 1 degree resolution, or ‘ 0.1º ’ for
tenths of degree resolution.
• at the ‘
Reading offset ’ (‘ oFFS ’) parameter introduce a
number of counts that will be directly added to the read -
ing. This value applies both to the Pt100 \ RTD and thermo -
couples. This offset allows to easily compensate for errors
due to different types of probes, which can not be correct -
ed by any other means. Values accepted from -100 to 100
counts of display.
• at the ‘
Thermoc. CJC ’ (‘ t.cJc ’) parameter activate o de -
activate the automatic compensation of the thermocouple
cold junction. When working with real thermocouples,
compensation must be set to ‘ on ’. When working with
electronic thermocouple simulators, it may be necessary
to deactivate the automatic compensation.
• at the ‘
on break ’ (‘ on.bk ’) parameter configure the be -
havior of the instrument (and thus, the alarm behavior) in
case of sensor break. Select ‘ to_h ’ to force the reading to
go to high level (overrange), or select ‘ to_L ’) to force the
reading to low level (underrange).
• at the ‘
Alpha ’ (‘ ALPh ’) parameter select the alpha for the
Pt100 / RTD sensor. The two standard industrial values are
‘ 385 ’ and ‘ 390 ’.
Press ‘SQ’ (
<
) for 1 second to access the ‘
configuration
menu
’. For a description on how to operate inside the menus
see section
1.13.1
. For a full vision of the ‘
configuration menu
’
structure see section
1.15
.
Input
Pt100 / RTD 2 wires
Pt100 / RTD 3 wires
Thermocouple J
Thermocouple K
Thermocouple T
Thermocouple E
Thermocouple S
Thermocouple R
Thermocouple N
Thermocouple C
Thermocouple L
Thermocouple X
Temperature
configuration
Degrees
Degrees Celsius
Degrees Fahrenheit
Resolution Pt100
1º resolution
0.1º resolution
Reading offset
Thermoc. CJC
‘On break’
Reading to maximum
Reading to minimum
Alpha
Alpha 385
Alpha 390