Danfoss Speed and Temperature Sensor Technical Information
Technical Information
Speed and Temperature Sensor
Hydrostatic Propel Products
www.danfoss.com
Technical Information
Speed and Temperature Sensor for Hydrostatic Propel Products
Revision history |
Table of revisions |
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Date |
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January 2021 |
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Changed document number from 'BC00000047' to 'BC152886482203' and added new |
0701 |
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speed sensor |
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January 2020 |
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Added MP1P and MP1M target ring information |
0508 |
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November 2019 |
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Corrected speed sensor pinout information. |
0507 |
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June 2019 |
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Formula for temperature calcullation corrected. |
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May 2019 |
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Minor update. |
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February 2018 |
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Minor update. |
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November 2017 |
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Minor layout changes. |
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December 2015 |
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Data for size 210 of H1B motor. |
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2011-2014 |
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Various changes. |
BA-FB |
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Sep 2009 |
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First edition |
AA |
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2 | © Danfoss | January 2021 |
BC152886482203en-000701 |
Technical Information |
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Speed and Temperature Sensor for Hydrostatic Propel Products |
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Contents |
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General Information |
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Description.......................................................................................................................................................................................... |
4 |
Theory of Operation........................................................................................................................................................................ |
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Speed Rings........................................................................................................................................................................................ |
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Target Ring.......................................................................................................................................................................................... |
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Temperature Range......................................................................................................................................................................... |
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Protection Characteristics............................................................................................................................................................. |
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Mating Connectors.......................................................................................................................................................................... |
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Available Sensors.............................................................................................................................................................................. |
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Dimensions......................................................................................................................................................................................... |
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Sensor Installation............................................................................................................................................................................ |
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Speed Sensor 4.5 – 8 V Technical Data |
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Duty Cycles......................................................................................................................................................................................... |
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Wire Fault Detection..................................................................................................................................................................... |
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Output Signals................................................................................................................................................................................ |
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Temperature Sensor Data........................................................................................................................................................... |
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Speed Sensor 7 - 32 V |
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Duty Cycles....................................................................................................................................................................................... |
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Wire Fault Detection..................................................................................................................................................................... |
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Output Signals................................................................................................................................................................................ |
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Temperature Signal....................................................................................................................................................................... |
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Appendix |
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MTTFd Values.................................................................................................................................................................................. |
16 |
© Danfoss | January 2021 |
BC152886482203en-000701 | 3 |
Technical Information
Speed and Temperature Sensor for Hydrostatic Propel Products
General Information
Description
Function of the speed sensor is to detect the shaft speed. Typically the sensor is mounted to the housing of a Danfoss pump or motor and senses the speed from a target ring that is rotating inside the pump or motor.
Because of the digital output signals for speed the sensor is ideal for high and low speed measurements. The speed sensor is designed for rugged outdoor, mobile or heavy industrial speed sensing applications.
The detection of the speed is contactless. It is custom-designed for Danfoss. It is a Plug and Perform device that does not need any calibration or adjustments.
For diagnostics and other purposes, some sensor also has the capability to detect the driving direction and the case oil temperature.
Theory of Operation
The speed sensor is externally powered and, in response to the speed of the target ring, outputs a digital pulse signal. A magnet inside the sensor provides the magnetic field that changes with the position of the target teeth.
The target ring is attached to the cylinder block or the shaft. Hall sensors change from high/low state as the target teeth pass by the sensor´s face. The digital (on-off-on-off ) pulse train is fed to a controller, which interprets its rate of change as a speed.
Some speed sensor uses two Hall sensors with specific distance and orientation resulting in a pulse train output shift of 90° between the two sensors. A logic circuit decodes the two signals to provide an additional direction indication (high or low depending on direction).
Due to the design of the sensor, the duty cycle (ratio between on and off time at constant speed) of both speed signals at any working condition is close to 50 % and can be used for better resolution at low speeds.
Speed Rings
Speed rings vary according to the diameter of the cylinder block or shaft on which they are installed. The number of teeth can be seen in the technical information of the H1 pumps and H1 bent axis motors.
They may be ordered directly from the pump manufacturer or retrofitted to existing pumps and motors by authorized service centers (specialized tooling is required for mounting).
Target Ring
Speed (target) rings vary according to the diameter of the cylinder block or shaft on which they are installed. The number of teeth is shown in the table below.
The number of speed (target) ring teeth
H1P size |
045/053 |
060/068 |
069/078 |
089/100 |
115/130 |
147/165 |
210/250 |
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Teeth |
79 |
86 |
86 |
92 |
102 |
108 |
90 |
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The number of speed (target) ring teeth
H1B size |
060 |
080 |
110 |
160 |
210 |
250 |
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Teeth |
71 |
78 |
86 |
95 |
104 |
108 |
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The number of speed (target) ring teeth
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MP1P size |
028/032 |
038/045 |
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Teeth |
9 |
11 |
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4 | © Danfoss | January 2021 |
BC152886482203en-000701 |
Technical Information
Speed and Temperature Sensor for Hydrostatic Propel Products
General Information
The number of speed (target) ring teeth
MP1M size |
020/024 |
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Teeth |
9 |
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Target ring for integrated drives
Integrated drive size |
IDMV 044 |
IDMV 053 |
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Number of teeth |
75 |
79 |
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If a product is not seen in the tables, refer to technical information of the specific product.
Temperature Range
Parameter |
Minimum |
Maximum |
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Operation temperature range |
-40 °C |
104 °C |
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115°C Intermittent = Short term; t < 1min per incident and not exceeding 2 % of duty cycle based loadlife.
Protection Characteristics
Parameter |
Data |
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Protection Code (IP class) |
IP 67 (without connector installed) |
according IEC 60529 and DIN 40050 |
IP 69k (with connector installed) |
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EMC Emission |
EN 61000-6-3 |
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EMC Immunity (EMI) |
100 V/m incl. 1 kHz AM 80 %; ISO 11452-5 and -2 |
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ESD |
EN 61000-4-2 |
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Air discharge: 15 kV |
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Contact discharge: 8 kV |
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Vibration |
30 G (294 m/s2) |
Shock |
50 G (490 m/s2) |
Case maximum pressure |
5 bar [72.5 psi] |
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Mating Connectors
There are available two types of mating connectors Assembly Bag DEUTSCH DTM06-6S, Black and Grey.
Ordering number
11033865 |
11033863 |
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Assembly Bag, DEUTSCH DTM06-6S-E004; black, (24-20 |
Assembly Bag, DEUTSCH DTM06-6S, gray, (24-20 AWG) |
AWG) 0.21 -0.52 mm² |
0.21 -0.52 mm² |
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Available Sensors
There are two speed sensors available according to different supply voltage range: 4.5 to 8 VDC and 7 to 32 VDC.
Description |
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Order number |
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149055 |
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11232698 |
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Supply voltage |
4.5 – 8 V |
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7 – 32 V |
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Speed signals |
Two, 90° Phase shift |
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Two, 90° Phase shift |
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© Danfoss | January 2021 |
BC152886482203en-000701 | 5 |
Technical Information
Speed and Temperature Sensor for Hydrostatic Propel Products
General Information
Description |
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Order number |
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149055 |
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11232698 |
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Direction signal |
One |
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One |
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Temperature signal |
One |
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One |
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For more information, see and .
Dimensions
6.40 ±0.10 [0.252 ±0.004]
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65.00 max. |
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[2.559] |
1.78 ±0.08 |
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4x R 0.25 |
[0.07 ±0.003] |
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un-stretched |
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[0.01] |
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<![if ! IE]> <![endif]>±0.0816.33 |
<![if ! IE]> <![endif]>±0.003][0.643 groovering-O diameter |
2.67 |
<![if ! IE]> <![endif]>±0.2315.60 ±0.009][0.614 stretched-un insidering-O diameter |
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[0.105] |
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61.96 |
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[2.439] |
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| <![if ! IE]> <![endif]>15.00 |
<![if ! IE]> <![endif]>[0.591] |
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31.96 ±0.15 |
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[1.258 ±0.006] |
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<![if ! IE]> <![endif]>7.42 |
<![if ! IE]> <![endif]>[0.292] |
<![if ! IE]> <![endif]>1.42 |
<![if ! IE]> <![endif]>[0.056] |
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Date code |
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<![if ! IE]> <![endif]>±0.1018.89 |
<![if ! IE]> <![endif]>±0.004][0.744 |
<![if ! IE]> <![endif]>±0.0816.91 |
<![if ! IE]> <![endif]>±0.003][0.666 |
2.00 |
Y |
= Year |
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XXX |
= Day of the year |
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[0.079] |
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ZZZZ = Serial number |
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6.83 ±0.15 |
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Part number |
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[0.269 ±0.006] |
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31.62 ±0.21 |
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[1.245 ±0.008] |
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to face of I.C |
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mm [in]
21.05 |
30 |
.0 |
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181] |
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[0.829] |
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[1 |
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| <![if ! IE]> <![endif]>4.50 |
<![if ! IE]> <![endif]>[0.177] |
<![if ! IE]> <![endif]>7.0 min [0.276] |
<![if ! IE]> <![endif]>52.0max [2.047] |
YXXXZZZZ |
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149055 |
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19.2
[0.756]
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Sensor pinout |
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4 5 6 |
1 |
Speed signal 2 |
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2 |
Direction signal |
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3 |
Speed signal 1 |
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3 2 1 |
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Supply |
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Ground |
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6 |
Temperature |
P001 906E |
For more details about Mating connector, see the chapters Speed Sensor 4.5 – 8 V Technical Data and
Speed Sensor 7 – 32 V (1 Speed Signal)
Sensor Installation
The sensor is positioned in the housing and fastened by one screw.
The gap between the sensor and the target does not need to be adjusted, nor it does need to be rotated for direction sensing.
6 | © Danfoss | January 2021 |
BC152886482203en-000701 |
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