FAM52–Two-channel magneto-resistive speed sensor in 2-hole flange design : NORIS Group GmbH

Typical application: Rail Technology (Light & Heavy Rail)
Output signals with a particularly high resolution:
up to 4x frequency multiplication for gear wheels possible
up to 8x frequency multiplication possible when scanning pole wheels
When used with a magnetic pole wheel, very accurate measurement results are achieved; quotients can also be used as multipliers
Two square wave signals, phase-shifted by 90°, optionally with inverted signals
Very high immunity to electromagnetic interference (EMI)
Straight or lateral conductor outlet, available with conductor protection system

Application advantages

Using the magnetoresistive measurement principle, a particularly high signal resolution can be achieved. This makes it suitable for applications that require very precise measurement results. Thanks to type testing according to EN 50155, applications for rail vehicles can be easily realized.

By frequency multiplication or division, numerous individual control options arise, among other things, for retrofit projects, e.g., for considering gear factors. Additionally, the magnetic pole wheel allows for particularly high signal accuracy through multiplication up to a factor of 8, even at high speeds. When used with a gearwheel, the output frequency can be multiplied by up to a factor of 4.

Upon request, we offer factory-tested magnetic pole wheels that are optimised for your application. Contact our sales team for further information.

FAM52 with pole wheel

Due to the measuring principle, high-precise measurement results can be achieved. The sensor can detect any number of threshold points. In use with a toothed wheel, the output frequency can be multiplied by factor 2 or 4. If required, even rations are possible. In use with a magnetic pole wheel, higher multipliers are possible (factors 6 or 8).

Magnetic pole wheel (option)

The magnetic pole wheel enables customer-specific resolution with excellent signal accuracy, even at high speeds. We offer you the right magnetic pole wheels for our sensors or for your application. Talk to our sales staff and let us advise you.

Overview speed sensors type FAM52

Type	Measuring principle	Signal outputs	Signal form
FAMZ52	Magnetoresistive	Two square wave signals, Q2 to Q1 is 90° phase shifted
FAMQ52	Magnetoresistive	Two + Two inverted square wave signals, Q1 to Q2 and Q1_N to Q2_N are 90° phase shifted

Supply voltage U_B	9 ... 32 VDC
Frequency range (input)	0 ... 30 000 Hz
Output signal	Multipliers 1x, 2x, 4x, 8x input frequency (other factors on request)
Measuring channels	2 measuring channels
Output signals	2 square wave signals or 2 square wave signals + 2 i inverted square wave signals
Suitable scan object	Ferromagnetic materials, magnetic pole wheels
Distance scan object	Module m1: 0,5 mm +/- 0,2 mm; module m1,5: 0,6 mm +/- 0,2 mm; module m2: 0,7 mm +/- 0,2 mm other sizes on request
Operating temperature	-40 … +110 °C
Degree of protection	Housing: IP66/IP68/IP69

Instruction manual

Datasheet speed sensor FAM52

Type code structure
FA	M	Z	52-	11-	S	X	07-	M30	S0	Example: FAMZ52-11-SX07-M30S0
	Measuring principle
		Measuring principle supplement
			Construction type and material
				Nominal length L1 of the sensor tube
					Connection outlet
						Electrical connection
							Sheath length
								Module
									Output signal multiplier
											Shield / Addition

Type code FAM[..]52
Measuring principle	M	Magnetoresistive
Measuring principle supplement		Z	2 output signals (voltage), galvanically connected
Measuring principle supplement		Q	4 output signals (voltage), galvanically connected
Construction type and material			52-	Flange, stainless steel sensor tube
Nominal length				11-	L1 = 29 mm
Connection outlet						Without code: straight cable outlet
Connection outlet					S	Lateral cable outlet
Electrical connection						X	Cable end standard (without protective tubing)
						XGS	Cable end, protective tubing, steel reinforced
						XGT	Cable end, protective tubing, textile reinforced
						XP	Cable end, protective tubing, polyamide
Sheath length							05-	Sheath length 2 m, halogen-free
							07-	Sheath length 5 m, halogen-free
							08-	Sheath length 7.5 m, halogen-free
							09-	Sheath length 10 m, halogen-free
Module (toothed wheel)								M10-	Module m1
								M15-	Module m1.5
									Without code: Module m2
Pitch (magn. Pole wheel)								P20	Pitch 2.0
								P25	Pitch 2.5
								P50	Pitch 5.0
Multiplier										Without code: no multiplier
									N02	Multiplier factor 2
									N03	Multiplier factor 4
									N##	Other factors on request
Shield											Without code: Shield attached to the sensor housing
Shield										S0	Shield not attached to the sensor housing
FA	_ _	_ _	_ _-	_ _-	_ _	_ _	_ _-	_ _	_ _	_ _	Example: FAMZ52-11-X07-N03

If you don’t find anything suitable among our standard types, we’ll be happy to develop a tailored solution with you to meet your requirements (-P types). They also meet the above mentioned standards thanks to our type-approved modular kits.