ABB 691HT Operating Instructions Manual page 19

CONFIGURATION
CHNG XMTR GEN
I / O I NFO CONF
S E N S O R T Y P E :
P t1 0 0 , a = 3 8 5
N E X T L A S T CHNG
O P T N O P T N
S E N S O R T Y P E :
( P t1 0 0 , a = 3 8 5
N E X T L A S T
O P T N O P T N
MEASUREMENT TYPE :
( S i n g l e S e n s o r
N E X T L A S T
O P T N O P T N
N U M B E R OF W I R E S
( T w o W i r e s
N E X T L A S T
O P T N O P T N
S E N S O R T Y P E :
P t1 0 0 , a = 3 8 5
N E X T L A S T CHNG
O P T N O P T N
CONF - Change I/O - SENSOR TYPE option ( KST Temp. Transm.)
Unlike the pressure transmitter where the sensor is part of the instrument,
the temperature transmitter can be supplied either complete with his
sensor ( thermocouple or RTD ) or without it. It can then be necessary to
DBASE
configure the transmitter accordingly to the type of sensor and of
MEM
measurement, single or differential, that will be used.
Using the F1 key select the CHaNGe I/O procedure: the following display
will appear. Pressing F1 or F2 you can select the next or the last otion of
this procedure.
If you wish to change the type of sensor press the F3 key ( CHNG): the
screen will display a warning message: " WARNING - Control loop
should be in manual". Press the PROCEED key to acknowledge the
)
message and continue.
E N T R
The previous screen is newly displayed with the sensor type within square
brackets: using the F1, for next otion, or F2, for last option, you can select
the sensor type (see the list of the available choice in the next page) you
wish to connect to your transmitter. Press F4 to confirm your selection.
)
E N T R
The next screen gives the selection of the type of measurement, i.e. if
single or differential: you can confirm the displayed option, using F4, or
you can, using F1 or F2, select the alternative choice confirming with F4.
The next screen gives the possibility, in case that the sensor type is RTD
)
or Ohm ( variable resistor ) and the type of measure is single, to select the
E N T R
type of connection, i.e. 2,3 or 4 wires. Also in this case the selection can
be done using the F1 or F2 keys and the confirmation with the F4 key.
The sensor type screen is newly displayed: the user can either continue
in the Change I/O procedure pressing the F1 key for the next option or to
leave this procedure pressing the ESCape key: this leads the Configuration
Main Menu to be displayed.
See APPENDIX "A1" for the list of allowed Sensor type
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