NCTE 3000 Series User manual

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Page 1- 12
V18-01
NCTE torque sensors
Series 3000
Technical data
Nominal torque: 50 Nm to 2.000 Nm, bidirectional
Rotational speed: ≤10.000 rpm
Accuracy: ≤±0,2 %
Temperature range: -40 °C to +85 °C
Protection class: IP50, IP65
Output signals: 0-10 V/4-20 mA
Output frequency: 2.500 Hz
Your advantages
Made in Germany (Munich, Bavaria)
Delivery ex warehouse (< two weeks)
Best price-performance ratio
Integrated electronic (Plug & Play)
Contactless measurement system
Including 5 m cable and calibration certificate
The series 3000 covers the accurate and reliable professional torque measurement technology.
This series is mainly used in laboratory, test facilities, trials, medical engineering, process monitoring and
quality control.
Transmitted torque can be measured statically and dynamically in real time. Shaft is available as Round
shaft and Square shaft. Each sensor can be configured individually with a lot of extras, such as angle sensor
and protection class IP65.
Series 3000 offers different output signals such as 0-10 V, 4-20 mA.
The sensor is provided as a complete unit with integrated evaluation electronic, including 5 m cable,
keystones (Round shaft) and calibration certificate.
Short description

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Page 2- 12
V18-01
NCTE torque sensors
Series 3000
Model
series 3000
round shaft
Unit
Nominal
torque
bidirectional
(+/-)
Load
bidirectional (+/-) in %
Rotational
speed
[rpm]
100 - 130
130 - 200
> 200
Ø 15 mm
[Nm]
50
In
specification
Set up
opposite
directional
torque or
recalibration
by NCTE
To
recalibration
by NCTE
10.000
100
Ø 25 mm
250
8.000
500
Ø 40 mm
1.000
5.000
2.000
Model
series 3000
square shaft
Unit
Nominal
torque
bidirectional
(+/-)
Load
bidirectional (+/-) in %
Rotational
speed
[rpm]
100 - 130
130 - 200
> 200
⅜ inch
[Nm]
50
In
specification
Set up
opposite
directional
torque or
recalibration
by NCTE
To
recalibration
by NCTE
10.000
¾ inch
250
8.000
1 inch
1.000
5.000
In case of an overload situation of the nominal torque it is possible to get the sensor back in specification.
To do so please set up the same overload situation in the opposite direction. This means in case of an
overload situation by 150 % positive load you can get the sensor back in specification by setting up a
negative overload of 150 %.
NCTE is able to recalibrate any sensor until ultimate torque.
Model series 3000
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Page 3- 12
V18-01
NCTE torque sensors
Series 3000
Model
series 3000
measuring range
Unit
Axial force [N]1
Lateral limit force [N]
Bending limit
moment [Nm]
50 and 100
[Nm]
2.300
300
41,7
250 and 500
7.000
800
176
1.000 and 2.000
24.000
2.000
700
Each type of irregular stress can only be permitted with its given limit value (bending moment, lateral force
or axial force, exceeding the nominal torque) if none of the others can occur. Otherwise the permitted
limits must be reduced. If for instance 30 % of the limited bending moment and also 30 % of the limited
lateral force are present, only 40 % of the limited axial force are permitted, provided that the nominal
torque is not exceeded.
1
Direct acting axial force on the shaft. If the force affects the snap ring, just 50 % of the force is permitted.
2
The accuracy class implies that taken separately both the linearity deviation as well as the rotational signal uniformity are either lower than or
equal to the value of the accuracy class.
3
%ME: related to a full scale measurement range.
4
Please check the exact data at the sensors calibration certificate.
No.
Model
Series 3000
Accuracy class2
0,2
Unit
Value
1
Linearity deviation incl. hysteresis
%ME3
< ±0,2
2
Rotational Signal Uniformity (RSU)
< ±0,2
3
Repeatability
< ±0,05
Output signal in general
Unit
Value
4
Frequency range, -3dB point,
Bessel characteristics
Hz
2.500
5
Analog signal
V | mA
0 … 10
4 … 20
6
Signal at torque = Zero4
V | mA
5
12
7
Signal at positive nominal torque4
V | mA
9
19
8
Signal at negative nominal torque4
V | mA
1
5
9
Calibration parameter (normed)4
V/Nm
mA/Nm
4 V/Measurement
range
8 mA/Measurement
range
10
Error output
V | mA
10
22
11
Output resistance
Ω
62
Effect of temperature
Unit
Value
12
Zero point drift over temperature
%/10 K
< 0,2
13
Signal drift over temperature
within nominal temperature range
%/10 K
< 0,5
Load characteristics
Technical characteristics
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Page 4- 12
V18-01
NCTE torque sensors
Series 3000
5
Wiring connected.
6
Based on the non-contact measurement principle the torque sensor is quite insensitive to bending and shearing forces. Self-aligning couplings are
recommanded in case of dynamic loads.
Power supply
Unit
Value
14
Supply voltage
VDC
11 … 28
15
Current consumption (max.)
mA
150
16
Start-up peak
mA
< 200
17
Absolute max. supply voltage
VDC
30
General information
Unit
Value
18
Protection class according to
EN 605295
IP
50/65
19
Reference temperature
°C
+15 … +35
20
Operational temperature range
°C
-40 … +85
21
Storage temperature range
°C
-30 … +85
22
Bearing operating hours
h
approx. 20.000
Nominal rated torque M (bi-
directional)
Nm
50
100
250
500
1.000
2.000
23
Weight
kg
1,4
2,5
6
24
Moment of inertia
kg mm2
5,9
59,5
626
EMI/EMC
Unit
Value
25
Tested standards
26
EN 61000-6-3: 2007
-
Passed
27
EN 55011: 2009 + A1: 2010 class B
-
Passed
Load limits6
Unit
Value
28
Maximum measurable torque
%
110
29
Maximum torque, related to
nominal torque
%
300
30
Ultimate torque
%
500
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Page 5- 12
V18-01
NCTE torque sensors
Series 3000
Dimensions
2 x M4 x 8
Only for preventing a
rotation of the housing
Plug: Binder Series
423/723/425
Illuminated
Tare-button
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Page 6- 12
V18-01
NCTE torque sensors
Series 3000
Dimensions (in mm)
50 Nm
100 Nm
250 Nm
500 Nm
1.000 Nm
2.000 Nm
A
160
160
220
220
350
350
B
93
93
101
101
130
130
C
33,5
33,5
59,5
59,5
110
110
D
15g6
15g6
25g6
25g6
40g6
40g6
E
96
96
106
106
126
126
F
60
60
70
70
90
90
G
61
61
61
61
80
80
H
40
40
40
40
60
60
I
57
57
67
67
87
87
Dimensions keyway [mm]
Keystones
Key stone-
position
Shaft
Width
Depth
Length
Height
Length
Amount
Distance L
Ø 15 mm
5N9
3
25,5
5
25
1
130,5
Ø 25 mm
8N9
4
50,5
7
50
2
165,5
Ø 40 mm
12N9
5
90,5
8
90
2
252,0
Keystone
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Page 7- 12
V18-01
NCTE torque sensors
Series 3000
Connector
Power supply and outputs
Typ
Binder series 423/723/425
Item number: 09-0132-90-12
colour code according to DIN 47100
Pin
Colour
Description
Value
A
White
Supply voltage VCC
11 V … 28 V
B
Brown
Ground GND
-
C
Green
Analog Out
0 V …10 V
D
Yellow
Analog GND
-
E
Grey
Analog Out
4 mA … 20 mA
F
Pink
Angle Ch A
0 V … 5 V
G
Blue
Angle Ch I
0 V … 5 V
H
Red
Angle Ch B
0 V … 5 V
J
Black
-
-
K
Violet
For internal use only
RX (TTL Pegel)
L
Grey-Pink
For internal use only
RX (TTL Pegel)
M
Red-Blue
Digital GND
-
Connection example:
Connection plan
CHA
CHB
Signal
Signal GND
Vcc
GND
5-28 V
max. 120 mA
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Page 8- 12
V18-01
NCTE torque sensors
Series 3000
Parameter
Min.
Typ.
Max.
Units
High Level Output Voltage
2,4
5
-
V
Low Level Output Voltage
0
-
0,4
V
Parameter
Description
C
One cycle of 360 CPR (degrees)
P
The duration of high state of the output within one cycle.
S
The number of electrical degress between a transition in Channel A and
the neighboring transition in Channel B.
Φ
The number of electrical degrees between the center of high state of
Channel A and the Center of high state of Channel B.
Angle sensor
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Page 9- 12
V18-01
NCTE torque sensors
Series 3000
Series 3000 accuracy 0,2 %
Price
Measurement range
50
Nm including 5 m cable and calibration certificate
100
Nm including 5 m cable and calibration certificate
250
Nm including 5 m cable and calibration certificate
500
Nm including 5 m cable and calibration certificate
1.000
Nm including 5 m cable and calibration certificate
2.000
Nm including 5 m cable and calibration certificate
Angle sensor
0
Without angle sensor
1
Angle sensor 360CPR
Analog output
A
Voltage output 0-10 V
S
Current output 4-20 mA
Shaft ends
0
Round shaft with keystone
1
Square shaft (available with 50/250/1.000 Nm)
Protection class according to EN 60529
0
IP50
1
IP65
3000
Order options
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Page 10 - 12
V18-01
NCTE torque sensors
Series 3000
Accessories
Price
NCTE Readout Unit works with all NCTE Sensors
A
Torque sensor input: Voltage output 0-5 V and 0-10 V
Order number: 400010-ATS001
1 angle encoder input, A/B
USB interface, Windows software included
SD card slot
S
Torque sensor input: current output 4-20 mA
Order number: 400010-ATS002
1 angle encoder input, A/B
USB interface, Windows software included
SD card slot
Coupling
X
Customized couplings, price on request
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Page 11 - 12
V18-01
NCTE torque sensors
Series 3000
Scope of delivery
The torque sensor set consists of the sensor itself (signal pick-up and signal processing integrated into
sensor housing), one connecting cable 5 m with a soldered plug (binder plug no. 99-0426-10-08), key
stones (round shaft) and the calibration certificate.
Datasheets and instruction manuals are available at www.ncte.com.
Installation and removal
Make sure to install the sensor shafts exactly with the proper aligned connecting shafts. The key stone
adapter/square endings of the connecting shafts are to be attached forceless to the corresponding ones of
the sensor. No external axial force should be on the housing of the sensor from distortion. A maximum
cable length of 5 m must not to be exceeded. Using a cable or connector other than supplied by NCTE, or a
similar cable that is of a different length may affect the overall performance of the sensor.
Do not remove the shaft with torque applied to the sensor.
Offset adjustment
If required the zero point output signal (5 V) can be adjusted by pressing the Tare-button. By factory default
the sensor is set to 5 V at zero torque.
Interface description
Mechanical connection:
The key stone adapters on both ends of the measurement shaft are intended for torque transmission.
Electrical connector:
On the sensor housing there is a 8-pin socket for the power supply and the signal output (chapter
connection plan).
Operation (in regular case or in optimal case)
Optimal measurement parameters can be achieved if the sensor is applied in accordance to the
specification. By compliance with the specification the sensor works generally trouble-free and
maintenance-free.
Irregular operation, measures against disturbance
The mechanical overload on the sensor (e. g. exceeding of maximum allowed torque or severe vibrations)
may cause damage to the sensor and in consequence the incorrect signal output. In such cases please do
not open the sensor. Contact NCTE directly for assistance.
Commissioning
After sensor installation pay attention to the following:
The sensor may only be operated with a shielding.
Switch on the power supply unit and check the supply voltage. Peak voltage must be avoided! Be
sure to verify the power supply voltage before connecting the sensor!
Connect the sensor to the power supply unit by using the delivered cable.
Connect the sensor output to a high-resistance device such as an A/D converter, oscilloscope, PC
measurement board. The sensor should be in mechanical unloaded state while connecting it.
Instruction manual
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V18-01
NCTE torque sensors
Series 3000
Tare function and error indication:
Series 3000 contains a LED button on the housing surface. Pressing the button will set the signal output to
5 V. The illumination of the button serves as a function/malfunction indicator.
Functional indicator:
LED off: missing power supply or sensor is damaged
LED on: Sensor is ready.
Error indicator:
LED flashes: The sensor is not ready.
Flashing of LED can have several possible causes. Various causes are interpreted through a flash code. After
each flash code the LED makes a short pause before repeating the code.
2x flashing: Magnet field sensors defective. 4x flashing: Electronics defective.
Shaft coating
The shafts are protected on both sides with a film of anticorrosion wax. We recommend to leave the
protection permanent. As far as technologically needed, the coating can be removed with spirit/ethanol
Handling and transportation
By handling, storage and transportation keep the sensor away from magnetic or electromagnetic fields
which may exceed the maximal intensity defined from EMC (chapter technical characteristics) like
degaussing machines.
Precautions
Do not open the sensor housing under any circumstances.
Do not remove or loosen the locking rings on the shaft ends.
Do not loosen or tighten the flange-mounting nut of the socket-connector (chapter dimensions).
Use only a separate power supply for the sensor.
Use the sensor only according to the specification (chapter technical characteristics).
Maintenance and overhaul
As part of your testing and measuring equipment management, we recommend regular checking of your
testing and measuring equipment. Please also observe the corresponding standards and guidelines.
Recommended NCTE maintenance plan
Recalibration
12 month
Control of wiring, plug and shaft
12 month
Repairs
Repairs must be carried out exclusively by employees of NCTE AG. The sensor must be sent to the NCTE AG
together with an RMA formula (Return Merchandise Authorization). You will receive an RMA formula via
the NCTE service-hotline.
Distributore italiano:
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Telefono: [phone]
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