FlexTemp 2301 Temperature Transmitter
4...20 mA transmitter for Pt100 sensors
2-, 3- or 4-wire sensors
Accuracy better than 0.25°C
Sensor offset correction
Automatic/configurable cable resistance
compensation (2-wire)
Sensor error detection
2-way configuration (Windows)
Configurable damping and status indication
Engineering unit °C or °F
PC datalogging
Description
FlexTemp 2301 is a 4...20 mA loop-powered transmitter for Pt100
sensors.
Either 2-, 3- or 4-wire sensors can be used. For 2-wire sensors an
automatic balancing of the sensor cable resistance is possible with
shorted sensor cable. The cable resistance can be manually configured as well.
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Design and specifications subject to change without notice
Using a PC, the Windows-based FlexProgram software and a FlexProgrammer configuring unit, the following parameters can be configured
via the output connectors: TAG no., number of wires, cable resistance,
error detection level, measuring range/unit, damping, offset and status
indication.
The FlexProgram has a datalogging facility enabling the user to monitor measuring results or calibrate the measuring setup.
Data Sheet 2301-1
Page 1
Technical Data
Input
Environmental conditions
Accuracy
Operating temperature
-40...85°C
Span < 250°C:
Span > 250°C:
< 0.25°C {2}
0.25% of span
Storage temperature
-55...90°C
Humidity
< 90% RH (IEC 68-2-38)
Sample time
< 0.7 sec.
Vibrations
GL, test 2 (IEC 68-2-6)
Pt100 Standard
IEC/DIN/EN 60 751-2
Long-term test
IEC 770 6.3.2
RTD measuring current
0.3 mA, continuously
Sensor type
2-, 3- or 4-wires {1}
Sensor short detection
< -225°C
Sensor break detection
> 875°C
Error detection delay
< 10 sec.
Compensation for
cable error
< 0.02°C/Ohm (3-wire)
Dimensions
62 x 88 x 24 mm
Cable resistance
Max. 20 Ohm /wire {1}
Protection class
Housing: IP 30; Terminals: IP10
Measuring range
-200...850°C {1}
Measuring unit
°C or °F {1}
Minimum span
25°C
EMC data
Generic standards
EN 61000-6-3, EN61000-6-2
Product standards
EN 61326
Namur
NE21
Mechanical data
Other data
Temperature drift
Typ. 0.003% per °C
Max. 0.01% per °C
Protection
+/- 35 Vdc
Power-on time
10 sec.
Suppression
50 and 60 Hz
Failure information
Namur NE43
Resolution
14 bit
Repeatability
< 0.1°C
Ripple immunity
IEC 770 6.2.4.2
Offset Adjustment
Max. + 10°C {1}
Output
Test conditions
Configuration
0...100°C
Amb. temperature
23°C +/- 2°C
Power supply
24 Vdc
Disposal of product and packing
Signal span
4...20 mA, 2-wire
Accuracy
< 0.1% of signal span
Supply range
8...35 Vdc
Notes
Ripple immunity
3 Vrms
{1}
Configurable
Load equation
RL < (Vcc - 8)/23 [kOhm]
{2}
Lower range limit < 100°C
Up/Down scaling limits
23 mA/3.5 mA {1}
Damping
0...30 sec. {1}
Protection
Reversed polarity protection
Resolution
12 bit
According to national laws or by returning to Baumer
Effect of variations in supply voltage:
Output current
0.01% per volt
TAG No.
15 characters {1}
Ordering details - FlexTemp 2301
2301 000x (x)
Type
Not configured, standard safety
8´ Digit
Configuration
Configuration according to customer specifications (default is 0...120°C, 3-wire)
9´ Digit
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Design and specifications subject to change without notice
1
C
Data Sheet 2301-1
Page 2
Application Example
Pt100
230 Vac
3
7
4
8
3
4
1
2
1
2
+
24 Vdc
-
4...20 mA
FlexTemp 2301
Power supply
Configuration
FlexProgrammer
Note:
Disconnect loop supply before
connecting the FlexProgrammer
to FlexTemp 2301.
1
FlexProgrammer
2
1 2
FlexProgrammer 9701
1
2
Red clip
1
2
Black clip
Note: Ambient temperature range 0...50°C
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Design and specifications subject to change without notice
Data Sheet 2301-1
Page 3
Electrical Installation
RTD
Pt100
Pt100
Pt100
3
7
3
7
3
7
4
8
2-wire sensor
4
8
3-wire sensor
4
8
4-wire sensor
Accessories
Dimensional drawings
[mm]
65.5
Type No. 9701-0001 complies:
FlexProgrammer interface unit
CD with the FlexProgram software and product drivers (DTM)
USB cable
Cable with 2 alligator clips
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Design and specifications subject to change without notice
88
62
UK/2007-03-14 This data sheet may only be reproduced in full.
The FlexProgrammer 9701 is a dedicated tool to configure all
Baumer configurable products.
24
Data Sheet 2301-1
Page 4