Product Details

Description

This versatile 2-wire transmitter accepts a range of standard input types, and outputs a 4-20mA loop.

Key Features:

Programmable via USB (requires the XU-USB programming key)
No power supply or calibration required during programming
Multiple input types
Input to output isolation 3750Vac
High accuracy 0.1%
Reverse polarity protection
Heartbeat status LED
Zero adjust pot
Offset available via XU software
Case temperature range -20°C to +80°C
Compact DIN rail mount enclosure
Easy to install

Input Types:

Thermocouple B, E, J, K, N, R, S, T
RTD Pt100 and Pt1000
For RTD and Thermocouple; Output is Linear with Temperature
DC: mA, mV and V
Potentiometer
32 point curve fitter for mA, mV, V inputs

Technical Specs

TYPE	XU2
Output	2 wire 4~20mA loop powered
Power Supply	10.5~36Vdc
Supply Voltage Sensitivity	< ±0.005%/V FSO
Output Load Resistance	700Ω at 24Vdc (50Ω/V above 10.5Vdc)
Maximum Output Current	Limited to <28mA (Emission and Immunity)
Emissions Compliance	EMC EN 61326
Immunity Compliance	EMC EN 61326
Safety Compliance	EMC EN 61010-1
Accurate to	<±0.03% FSO Typical
Ambient Drift	<±0.003%/°C FSO Typical
Noise Immunity	125dB CMRR Average (2.0kVdc Limit)
R.F. Immunity	<1% effect FSO Typical
Isolation Test Voltages	Between Input and Output: 3750Vac for 1min
Response Time	400msec Typical (10~90% 300msec Typical)
Sensor Fail	Low 3.8mA, High 21mA
Startup Time	3 seconds, 3.7mA output
Output calibrate via Pot	±0.5mA Zero offset adjust
Operating Temperature	-20°C~85°C
Storage Temperature	-20°C~100°C
Operating Humidity	5~85%RH Max (Non-Condensing)
Mounting	35mm Symmetrical DIN Rail
Dimensions	H=79, W=20, D=68mm
Voltage Input Specifications
USB Programmable Zero	0~±99% of the Span
USB Programmable Span	±100mVdc to ±10Vdc and Bipolar
Minimum Input Resistance	300kΩ
mV Maximum Over-range	3Vdc Continuous
V Maximum Over-range	60Vdc Continuous
Linearity and Repeatability	<±0.02% FSO Typical
WARNING: Do NOT apply a V input greater than 3V to mV terminals!
Current Input Specifications
USB Programmable Zero	0~±99% of the Span
USB Programmable Span	1µAdc~24mAdc Standard Range = 4~20mA
Minimum Recommended Span	0~1mA (gives 1000 steps on output)
Input Resistance	10Ω
Maximum Over-range	50mAdc Continuous
Linearity and Repeatability	<±0.02% FSO Typical
Thermocouple (T/C) Input Specifications
Thermocouple Types	B, E, J, K, N, R, S, T
USB Programmable Zero	0~±99% of the Span
USB Programmable Span	Within Thermocouple Type limits
Input Impedance	1MΩ Minimum
T/C Lead Resistance	100Ω Maximum
Cold Junction Comp	-20°C~90°C
Accuracy	E, J, K, N, T <±1°C B, R, S <±2°C
Temperature Drift	E, J, K, N, T <±0.05°C B, R, S <±0.2°C
CJC Error	<±1°C
Sensor Break Output Drive	Funct High Upscale Funct Low Downscale
RTD Input Specifications
RTD Input	Pt100 or Pt1000 DIN 3-wire Type (2-wire can be used with offset calibration)
Sensor Current	0.15mA Nominal
Lead Wire Resistance	Pt100: 10Ω/wire Maximum Pt1000:5Ω/wire Maximum 0.02% FSO Offset Error per Ω of Lead Resistance
USB Programmable Zero	0~±99% of the Span
USB Programmable Span	-200°C~850°C
Sensor Break Output Drive	Funct High Upscale Funct Low Downscale
Linearity (Pt100)	0.02% FSO for Span Inputs ≤200°C. 0.1% FSO for Span Inputs ≤850°C
Linearity (Pt1000)	0.02% FSO for Span Inputs ≤200°C, 0.2% FSO for Span Inputs ≤520°C
Potentiometer Input Specifications
Potentiometer Input	3-wire Potentiometer
Excitation Voltage	1.2Vdc
Potentiometer Resistance	Low Range 1K~2KΩ High Range 5K~1MΩ
USB Programmable Zero	0~90% of the Span
USB Programmable Span	0.1~100%
Linearity and Repeatability	<±0.02% FSO Typical

Ordering Information

ITEMS	CODE				DESCRIPTION
SERIES	XU2-				Universal Input Transmitter
Type of Input		Pt100-			RTD Pt100 DIN
		Pt1000-			RTD Pt1000 DIN
		Tc (Type)-			Thermocouple Type; B, E, J, K, N, R, S, T
		mA-			mA Input impedance = 10Ω
		mV-			mV Input resistance = 300KΩ
		V-			V Input resistance = 300KΩ
		Pot 1-			Potentiometer Low = 1K~2KΩ
		Pot 2-			Potentiometer High = 5K~1MΩ
Measuring range			–		State Measuring Range
Output Action on Sensor Fail (for Temperature Input types only)				US	Upscale
				DS	Downscale