Speed sensors

Non-contacting multi-channel stainless-steel speed sensor, difference-Hall or eddy current principle

FA52

Speed sensor FAW52

  • Due to its design and type approval according to DIN EN 50155 especially suitable for transport technology
  • Eddy current version: Scanning of all electrically conductive materials (steel or aluminium)
  • With voltage or current output signal
  • With up to 4 galvanically isolated sensors in one enclosure
  • Robust and high quality housing: IP69 pressure-tight and individually tested at 5 bar (for details see technical data)
  • Excellent vibration and shock resistance and double protection of the sensor head
  • Without magnetic preload and thus, no accumulation of metal chips
  • Connection outlet straight or lateral; with protective tubing on request
  • Detection of very low speed (near zero speed)

Description

Speed sensors of type FA52 are non-contacting multi-channel speed encoders with a stainless-steel flange and sensor tube. They measure frequency in accordance with the eddy-current or difference-hall-effect principle. They acquire the speed of ferromagnetic (FAH type) or electrically conductive (FAW type) gearwheels, e. g. gearwheels with various tooth shapes, screw heads, drill holes, apertures, grooves or pulse bands on smooth shafts (accessories). Their compact and robust design, as well as the relevant tests as per DIN EN 50155, make them ideal for applications in the field of transport technology, e. g. measuring speed at the traction motor, gearbox or wheelset. The sensors are available with various output signals.

Except otherwise specified, the sensors in the next table have voltage signal outputs.

Type

Measuring principle

Signal outputs

Signal form

FAWZ52

Eddy current

Two square wave signals,
Q2 to Q1 is 90° phase shifted

FAHZ52

Hall

FAWS52

Eddy current

Two square wave signals,
Q2 to Q1 is 90° phase shifted,
one rotation direction signal

FAHS52

Hall

FAWD52

Eddy current

Two galvanically isolated square wave signals,
Q2 to Q1 is 90° phase shifted,
type FAHD52, FAWD52 with voltage signal output,
type FAHI52 with current signal output

FAHD52

Hall

FAHI52

FAWQ52

Eddy current

Two + Two inverted square wave signals,
Q1 to Q2 and Q1_N to Q2_N are 90° phase shifted

FAHQ52

Hall

Typ

Measuring principle

Signal outputs

Signal form

FAHU52[..]-U01

Difference-Hall

Four galvanically isolated square wave signals,
Q1 to Q2 and Q3 to Q4 are 90° phase shifted

FAHU52[..]-U02

Difference-Hall

Two square wave signals + two galvanically isolated square wave signals,
Q1 to Q2 and Q3 to Q4 are 90° phase shifted

FAHU52[..]-U03

Difference-Hall

Two galvanically isolated measuring systems, each with two square wave signals,
Q1 to Q2 and Q3 to Q4 are 90° phase shifted

Technical data

Supply voltage Us

9 ... 32 VDC
(for type FAHU52 see datasheet)

Frequency range

Eddy current: 0.2 ... 25,000 Hz
Difference-hall-effect: 0.2 ... 20,000 Hz :

Measuring channels

Depending on sensor type:
2 measuring channels or
2 galvanically isolated measuring channels or
2 measuring channels and status channel for rotation direction detection or
4 galvanically isolated measuring channels or
2 measuring channels + 2 galvaically isolated measuring channels or
2 x 2 galvanically isolated measuring channels

Output signal and signal type

Depending on sensor type:
2 square wave signals or
2 square wave signals, 1 status signal or
2 square wave signals not inverted, 2 square wave signals inverted or
4 square wave signals

Scanning object

Eddy current: Electrically conductive materials (steel, aluminium, other on request)
Difference-hall-effect: Ferromagnetic materials

Scanning object - distance

Eddy current: Module 2: 0.2 ... 1.2 mm, recommended 0.7 ± 0.2 mm ; Module 3: 0.2 ... 1.5 mm, recommended 0.8 ± 0.2 mm
Difference-hall-effect: 0.2 ... 3 mm; recommended: 1.0 ± 0.5 mm

Operating temperature

-40 ... +120 °C
Type FAHI with current output: -40 ... +100 °C

Protection class

Housing: IP66/IP68/IP69

Ordering information

Type code structure

FA

W

Z

52-

11-

S

X

07-

M30-

S0

Example: FAWZ52-11-SX07-M30-S0

Measuring principle

 

Measuring principle supplement

 

Construction type and material

 

Nominal length L1 of the sensor tube

 

Connection outlet

 

Electrical connection

 

Sheath length

 

Module

 

Shield / Addition

Type code FAH[..]52

Measuring principle

H

Hall

H

Measuring principle
supplement

 

Z

2 output signals (voltage), galvanically connected

H

D

2 output signals (voltage), galvanically isolated

 

I

2 output signals (current), galvanically isolated

 

S

2 output signals (voltage), galvanically connected with
status output (e. g. rotation direction detection)

 

Q

4 output signals (voltage), galvanically connected

H

Construction type and material

 

52-

Flange, stainless steel sensor tube

H

Nominal length

 

11-

L1 = 29 mm

H

Connection outlet

 

 

Without code: straight cable outlet

H

S

Lateral cable outlet

 

Electrical connection

 

X

Cable end standard (without protective tubing)

H

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 2.0 m, halogen-free

 

07-

Sheath length 5.0 m, halogen-free

H

08-

Sheath length 7.5 m, halogen-free

 

09-

Sheath length 10.0 m, halogen-free

 

Module

 

M10-

Module m1

 

M12-

Module m1.25

 

M15-

Module m1.5

 

 

Without code: Module m2

H

M25-

Module m2.5

 

M30-

Module m3

 

Shield

 

 

Without code: Shield attached to the sensor housing

H

S0

Shield not attached to the sensor housing

 

Addition

F0

Frequency range commencing
at 0 Hz

 

FA

_ _

_ _

_ _-

_ _-

_ _

_ _

_ _-

_ _-

_ _

Example:
FAHZ52-11-X07 (Preferred type)

Type code FAW[..]52

Measuring principle

W

Eddy current

W

Measuring principle
supplement

 

Z

2 output signals

W

D

2 output signals, galvanically isolated

 

S

2 output signals + Status output channel for direction of rotation detection

 

Q

4 output signals (2 + 2 inverted)

W

Construction type and material

 

52-

Flange, stainless steel sensor tube

W

Nominal length

 

11-

L1 = 29 mm

W

Connection outlet

 

 

Without code: straight cable outlet

W

S

Lateral cable outlet

 

Electrical connection

 

X

Cable end standard (without protective tubing)

W

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 2.0 m, halogen-free

 

07-

Sheath length 5.0 m, halogen-free

W

08-

Sheath length 7.5 m, halogen-free

 

09-

Sheath length 10.0 m, halogen-free

 

Module *

 

 

Without code: Module m2

W

M25-

Module m2.5

 

M30-

Module m3

 

Shield

 

 

Without code: Shield attached to the sensor housing

W

S0

Shield not attached to the sensor housing

 

FA

_ _

_ _

_ _-

_ _-

_ _

_ _

_ _-

_ _-

_ _

Example:
FAWZ52-11-X07 (Preferred type)

* Module for steel gearwheel involute-thoothed, other on request

Type code FAHU52

Measuring principle

H

Difference-Hall

Measuring principle
supplement

 

U

4 output signals, galvanically isolated

Construction type and material

 

52-

Flange, stainless steel sensor tube

Nominal length

 

11-

L1 = 29 mm

Connection outlet

 

 

Without code: straight cable 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 2.0 m, halogen-free

07-

Sheath length 5.0 m, halogen-free

08-

Sheath length 7.5 m, halogen-free

09-

Sheath length 10.0 m, halogen-free

Module

 

M10-

Module m1

M12-

Module m1.25

M15-

Module m1.5

 

Without code: Module m2

M25-

Module m2.5

M30-

Module m3

Shield

 

 

Without code: Shield attached to the sensor housing

S0-

Shield not attached to the sensor housing

Signal variants

U01

Four galvanically isolated output signals

U02

Two output signals + two galvanically isolated output signals

U03

Two galvanically isolated measuring systems, each with two output signals

FA

_ _

_ _

_ _-

_ _-

_ _

_ _

_ _-

_ _-

_ _-

_ _

Example:
FAHU52-11-X07-U01

Preferred types

Features marked with an indicator letter in the right column in the table are preferred features. If you select a preferred feature for each placeholder (same indicator letter), the device is specified as a preferred type. Preferred types are available quickly from stock. Other types will be delivered according to scheduled appointments.

Special types

If our standard types do not correspond with your expectations, we are pleased to develop a special solution together with you.