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ITXPlus
“Universal”
Loop Powered
Isolated Signal Conditioner
ITXPlus PC Configurable Two Wire Transmitter





“Universal” Input ….mA, V, mV, Thermocouple,
RTD, Resistance and Potentiometer
Loop Powered & Isolated 4-20mA output
Only 12.5mm wide
Preset and User defined linearisations
Computer-configurable via CBX100 interface and
TSET software
Summary of
Set-up
Information
Page 2
Unit identity,
calibration
records
and location
ITXPlus Training, 2008, A Balcombe
ITXPlus Functions
+24V
Volts or
mA
4-20mA
+24V
TC or RTD
4-20mA
 Voltage or current convertor
 Temperature transmitter
+24V
mA
4-20mA
 Isolator
+24V
Any
4-20mA
 Lineariser
parameter
ITXPlus Training, 2008, A Balcombe
Page 3
Universal Input Conditioning
+24V
Volts or mA
4-20mA
Input
channel
+24V
4-20mA
Thermocouple
 Makes easy extending the number of
inputs to the DCS
Input
channel
+24V
RTD
4-20mA
Input
channel
+24V
Potentiometer
4-20mA
 Gives 2kv isolation voltage to the input
DCS /
PLC
Input
channel
+24V
Resistance
4-20mA
Input
channel
+24V
mV
ITXPlus Training, 2008, A Balcombe
4-20mA Input
channel
Page 4
Simple installation
 Output Loop Powered isolators are popular because they don’t need auxiliary
power. Power comes from the controller input card.
A.C. Power
 The user’s cabling is kept simple.
 The isolator output is 4-20mA.
DC
Power
Supply
To
other
Txs
+
PLC provides power
for it‘s analogue inputs
Passive input
ITXPlus
+24vdc
4-20mA
output
Input from transmitter
OLP conditioner – mounted
close to the PLC to protect it
from pick-up on the cabling
ITXPlus Training, 2008, A Balcombe
Page 5
PLC
Active
input
Versatile temperature measurement
 Function are isolation and conversion / linearisation of
sensor signals
 In process applications (long cable lengths) Transmitter /
Convertor will be located as near the sensor as possible.
 Single model ITXPlus can be configured for any
temperature span within all the standard thermocouple /
RTD calibrations
Input from thermocouple
Transmitter /
Convertor
+24vdc
4-20mA output
0v
PLC
ITXPlus Training, 2008, A Balcombe
Page 6
High load drive
 Supply voltage range is 10-40Vdc
1500Ω
10V
A.C. Power
 Max load is 1500Ω !!
700Ω
24V
Input from thermocouple
40V
DC
Power
Supply
Transmitter /
Convertor
+
Local
Indicator
250Ω
-
10-40vdc
4-20mA output
Chart
Recorder
250Ω
ITXPlus Training, 2008, A Balcombe
Central
Indicator
250Ω
Page 7
PLC
250Ω
Output choices
Page 8
ITXPlus Training, 2008, A Balcombe
Integral flow linearisation
Orifice plate
PH
D.P.
PL
Pressure tapping
Q=K
ITXPlus
D.P.
Transmitter
Flow
D.P. input
D.P.
1/2 for
 Square root extraction ( x ) function
flow in pipes, using restrictive primary
elements
- For DP transmitters used with Orifice
plates, Flow tubes, Venturis,
Flow output
Height input
 Rectangular weirs Flow = Kh
 V-notch weirs Flow = Kh
ITXPlus Training, 2008, A Balcombe
Page 9
3/2
5/2
User-defined linearisation
Bulk liquids are normally delivered and costed by
volume.
Inventory measurement is usually by level, which
is then converted into volume.
.
100%
Storage
vessel
Volum
e
L=50%
V ~30%
0%
0%
Outlet
Page 10
ITXPlus Training, 2008, A Balcombe
L=50% Level
100%
CBX100 USB configuration interface
 CBX100 USB can be used for
ITXPlus or Wave TTA
 Use with TSET software
LEDs show Tx and Rx status
Page 11
ITXPlus Training, 2008, A Balcombe
USB computer connection
Jack plug connects to ITXPlus
Configuration with CBX100/TSET
Power lead
Jack connection
under fron flap
CBX100 with
USB
connection
Power supply or
9v battery

TSET software is used for ITX+ configuration

This can be downloaded from mannseries.com
ITXPlus Training, 2008, A Balcombe
Page 12
T-SET Software Main Screen
Set input
and output
Unit identity,
calibration
records
and location
Summary of
Set-up
Information
A-D converter
resolution
Healthy
communications
indicator
Running values
Page 13
ITXPlus Training, 2008, A Balcombe
ITXPlus competition
Page 14
ITXPlus Training, 2008, A Balcombe
Thank you for your interest!