MTL Instruments MTL1172 Data sheet
DRAFT - 03 August 2017
Technical data
MTL signal conditioners
MTL1172
resistance temperature
device input converter
1 channel for PT100
type RTD sensors
The MTL1172 is a single channel RTD converter
with 4-20mA and 1-5V outputs. Input ranges are
switch selectable.
Power for this module is supplied via the power
bus embedded in the DIN rail.
The PBUS6.2 kit must be ordered separately. 10
x 2 way power clips are provided to power 20
modules.
The MTL1991 or PBUS02 is used to feed
power onto the bus.
August 2017
EPS 1172 rev 3
3 wire
PT100 RTD
Input +
Input -
4 wire
PT100 RTD
Input +
Input -
MTL1172
1
2
3
4
Vs-
Terminals Function
1
2
3
4
5
6
7
8
D
E
System AI
Current
input
5
+
4-20mA
6
-
7
+
8
1-5V
-
ED
Vs+
Source Sink
+
Load
-
+
Voltage
Channel
input
-
Input +
Input -
3 wire - / 4 wire -
4 wire +
Current Output + / Current Sink -
Current Output - / Current Sink +
Voltage Output +
Voltage Output -
Power supply -ve
Power supply +ve
system input
SW1
2 wire Tx
Load
Limit
Return
+24V Tx
Power
-ve
SPECIFICATION see also common specification
Number of channels
Location of sensor
Input range
Output range
Open wire detection
Transfer accuracy
Temperature effect
Current consumption
Power dissipation
Isolation
Eaton Electric Limited,
Great Marlings, Butterfield, Luton
Beds, LU2 8DL, UK.
Tel: + 44 (0)1582 723633 Fax: + 44 (0)1582 422283
E-mail: mtlenquiry@eaton.com
www.mtl-inst.com
© 2017 Eaton
All Rights Reserved
Publication No. EPS 1172 rev 3 030817
August 2017
One, with fully floating outputs
Safe area
15 switch selectable ranges, see instruction manual
Current output 4-20mA or voltage output 1-5V
Switch selectable, upscale/downscale drive
0.1% of span typical, 0.2% max
0.01% / °C
37mA @ 24V current output. 13mA @ 24V voltage output
0.9W @ 24V
250V ac or dc functional isolation between power, field and system
circuits. (Tested to 1100Vac)
EUROPE (EMEA):
+44 (0)1582 723633
mtlenquiry@eaton.com
THE AMERICAS:
+1 800 835 7075
mtl-us-info@eaton.com
ASIA-PACIFIC:
+65 6645 9888
sales.mtlsing@eaton.com
The given d ata is only intended as a p roduct
descrip tion and sho uld not be reg arded as a legal
warrant y of properties or gu arantee. In t he interest
of further technical developments, we reserve the
right to make de sign changes.
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