NCTE S-BB-R Manual Download Page 3

 
Bottom bracket sensors for E-Bikes

 

 

NCTE

 

 

Page 

3

 of 

12

 

 

 

Sensor version 

S-BB-RT 

S-BB-R 

S-BB-RP 

Pulse generator (impulse/revolution) 

32 

32 

72 

Torque signal output bandwidth 

250 Hz 

Measuring range: Torque 

±200 Nm 

Signal quality: Torque 

±2,5% FS bezogen auf Linearität 

Torque error signal output 

Dauerhaft ca. 2,5 V

1

 

Characteristic value of the signal output 

10 mV/Nm (+/- 2,5%FS) 

Supply voltage 

+7 

… 16 V DC 

+3 … 18 

V DC 

+4,8 … 16 

V DC 

Signal output bandwidth angle sensor 

4 kHz 

Power consumption in operation 

20 mA 

Bearing 

2x 61902-16-2RS 

Shaft surface 

Zinc-plated

 

Certification according to DIN ISO 
15194:2017 

Yes

2

 

Sleeve 

TECHNOMELT® 

Thread 

BSA 1,375x24 

Protection class 

IP 64

3

 

Salt water spray test according to  
DIN EN 60068-2-252:2018 

Test duration 96 hours passed

4

 

Dynamic test according to  
DIN EN 15194:2018-11 

Test for city and trekking passed 

 

 

 

 

 
Do not use magnets or magnetized tools during assembly, as this may change the 
magnetic field of the shaft.  
In this case, the bottom bracket can become permanently non-functional! 
Any changes to the product will void the warranty. 

 

 

 

 

1

 With constant signal output during operation 

2

 The configuration of the test setup for product release can be obtained from NCTE on request. 

3

 In installed condition 

4

 In installed condition 

Technical characteristics 

 S-BB-RT/S-BB-R/S-BB-RP 

 

Summary of Contents for S-BB-R

Page 1: ...BOTTOM BRACKET SENSORS FOR E BIKES S BB RT S BB R S BB RP NCTE AG Raiffeisenallee 3 82041 Oberhaching 28 01 2022 Revision 4 0 ...

Page 2: ...torque measurement is based on magnetostriction and is completely without contact The robust design of all sensor types is specially developed for demanding use in e bikes Our many years of experience show that our sensors are up to any requirements and do not need to be recalibrated even after years of use Our sensors have also proven their performance and durability in the laboratory They meet t...

Page 3: ...ication according to DIN ISO 15194 2017 Yes2 Sleeve TECHNOMELT Thread BSA 1 375x24 Protection class IP 643 Salt water spray test according to DIN EN 60068 2 252 2018 Test duration 96 hours passed4 Dynamic test according to DIN EN 15194 2018 11 Test for city and trekking passed Do not use magnets or magnetized tools during assembly as this may change the magnetic field of the shaft In this case the...

Page 4: ... 68 mm 73 mm 128 K 28 20 128 00 68 mm 73 mm 128 L 30 20 128 00 68 mm 73 mm 133 6 K 29 20 133 60 68 mm 73 mm 133 6 L 34 85 133 60 68 mm 73 mm 136 K 28 20 136 00 68 mm 73 mm 136 L 38 20 136 00 For further information on other variants or dimensions please contact our customer support sales ncte de Dimensions Ltotal L2 Housing width square SW 12 73 mm ...

Page 5: ...y voltage 7 16 V DC White GND 0 V Black Chanel A 0 V Open collector Blue 16 CPR Chanel B 0 V Open collector Brown 16 CPR Torque Offset 2 5 V at 0 Nm Grey 10 mV Nm Output for hall sensors Open collector with internal pull up resistor 37 kOhm to 5 V Signal output and connection diagram for S BB RT ...

Page 6: ...le color Note Supply voltage 3 18 V DC White GND 0 V Black Chanel A 0 V Open collector Blue 16 CPR Chanel B 0 V Open collector Brown 16 CPR No output No signal Grey Output for hall sensors Open collector without pull up resistor Signal output and connection diagram for S BB R ...

Page 7: ...e Supply voltage 4 8 16 V DC White GND 0 V Black Chanel A 0 V Open collector Blue 36 CPR Chanel B 0 V Open collector Brown 36 CPR No output No signal Grey Output for hall sensors Open collector with internal pull up resistor 2 7 kOhm to 5 V Signal output and connection diagram for S BB RP ...

Page 8: ...Bottom bracket sensors for E Bikes NCTE Page 8 of 12 Angle sensor with 32 72 for S BB RP pulses for precise determination of speed and direction of rotation Angle sensor ...

Page 9: ...Bottom bracket sensors for E Bikes NCTE Page 9 of 12 Torque curve 0 90 180 270 360 Torque Rotation in degree Output signal in V Theoretical torque curve ...

Page 10: ...nufacturer The manufacturer of the S BB R S BB RP and S BB RT series sensors is NCTE AG Raiffeisenallee 3 82041 Oberhaching Germany Phone 49 0 89 665 619 0 Intended use and installation range The sensor is intended for use in bicycles with electric drive pedelec e bike and electric bicycle within the meaning of Section 39 7 of the German toad traffic regulations Use the product only in bicycle fra...

Page 11: ... mechanical loads when not installed drops knocks vibrations etc To prevent damage caused by a short circuit on the connecting cable a suitable back up fuse approx 1 A nominal current must limit the current supply to the sensor The sensor may only be operated within the permitted load limits These can be found accordingly in the standard DIN 15194 2018 11 and ISO 4210 2018 Cycles Safety requiremen...

Page 12: ...ads of the adapter shells and the frame must be clean before mounting Possible dirt and burrs must be removed before mounting The threads must not be greased The left adapter shell is tightened with a bottom bracket tool with a torque of 30 Nm For a bottom bracket width of 73 mm it must be ensured that the spacer ring is located in the adapter shell 2 The sensor cable is fed through the bottom bra...

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