Easy programming using De ne ToolBox:
www.de neinstruments.co.nz/toolbox
TM-2DLI Common Speci cations
Con guration 2-wire 4–20mA (loop pwr)
Power supply 10.5–36V DC
Supply voltage sensitivity < ±0.005%/V FSO
Accurate to <±0.03% FSO typical
TM-2DLI
Universal Transmitter
Ambient dri <±0.003%/°C FSO typical
Output load resistance 650Ω at 24V DC
(50Ω/V above 10.5V DC)
Maximum output current Limited to <28mA (Emission & immunity)
EMC complicance Emissions (EN 61326). Immunity (EN 61326).
Safety (EN 61010-1).
Noise immunity 125dB CMRR average (2.0kV DC limit)
R.F. immunity <1% e ect FSO typical
Isolation test voltages between input/output: 3750V AC for 1min
Response time 400msec typical (10–90% 300msec typical)
Operating temperature -20 to 85°C (-4 to 185°F)
Storage temperature -20 to 85°C (-4 to 185°F)
Operating humidity 5–85%RH max (non-condensing)
Mounting 35mm symmetrical DIN rail
Dimensions (H x W x D) 79 x 20 x 68mm (3.11 x 0.79 x 2.68")
1
Wiring
2
1
OUTPUT
Incorrect
polarity may
cause
damage!
4-20mA Loop
2
1
4
3
56
Zero
LED
USB
Zero adjust-
ment will
upset all range
calibration!
LED Flashing:
Operational
LED On: Fault
3750V isolation barrier
INPUT
indicator
(4-20mA
56
8 7
Loop
input)
When connecting a
Bridge Key, ensure
the interface cable
is pressed FIRMLY
into this USB terminal
Power
supply
(Typically
24V DC)
56
8 7
8 7
56
2
78
Thermocouple
3-wire RTD
56
mV Input
6
5
56
8 7
8 7
8 7
Potentiometer
mA input
V input
Voltage Input Speci cations
USB programmable zero 0–±99% of the span
USB programmable span 100mV to ±10V DC (bipolar)
Input resistance 300kΩ min
Maximum over-range 60V DC continuous
Linearity and repeatability <±0.02% FSO typical
Current Input Speci cations
USB programmable zero 0–±99% of the span
Field programmable span 1μA–24mA DC
Input resistance 10Ω
Maximum over-range 50mA DC continuous
Linearity and repeatability <±0.02% FSO typical
Thermocouple Input Speci cations
Thermocouple types B, E, J, K, N, R, S, T
USB programmable zero 0–±99% of the span
Field programmable span Refer to ordering information for min/
max ranges for each type
Input impedance 1MΩ min
Thermocouple lead resistance 100Ω max
Cold junction comp. -20 to 90°C (-4 to 194°F)
Accuracy E, J, K, N, T: < ±1°C. B, R, S: < ±2°C.
Temperature dri E, J, K, N, T: < ±0.05°C. B, R, S: < ±0.2°C.
Sensor break output drive Function high upscale/low downscale
CJC error < ±1°C
3
RTD Input Speci cations
RTD input PT100 or PT1000 DIN 3-wire type (2-wire can be used
with o set calibration)
Sensor current 0.15mA nominal
Lead wire resistance PT100: 10Ω/wire max. PT1000: 5Ω/wire max.
0.02% FSO o set error per Ω of lead resistance.
USB programmable zero 0–±99% of the span
USB programmable span -200 to 850°C (-328 to 1562°F)
Sensor break output drive Function high upscale/low downscale
Linearity (PT100) 0.02% FSO for span inputs ≤200°C (392°F)
0.1% FSO for span inputs ≤850°C (1562°F)
Linearity (PT1000) 0.02% FSO for span inputs ≤200°C (392°F)
0.2% FSO for span inputs ≤520°C (968°F)
Other available RTD types JIS, PT100/1000, PT392, CN10
Potentiometer Input Speci cations
Potentiometer input 3-wire potentiometer
Excitation voltage 1.2V DC
Potentiometer resistance 0–2KΩ low pot, 0–1MΩ high pot
Field programmable zero 0–90% of the span
Field programmable span 0.1–100%
Linearity and repeatability <±0.02% FSO typical
De ne Instruments
New Zealand (Head O ce) +64 (9) 835 1550
United States (Dallas, TX) (214) 926 4950
South Africa (JHB) 087 945 2700
4
Copyright © 2015 De ne Instruments
de neinstruments.co.nz
de neinstruments.com
de neinstruments.co.za
TM-2DLI -MAN-15V11 (151009)
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