Siemens FP310L100 Datasheet

Contactless Potentiometer FP 310 L 100

Features

• Devoid of friction and
abrasion at contact
point

• No electrical contact
noise

• Insensitive to
contamination,
moisture ingression,
corrosion and
vibration

• Low operating torque

• Long lifetime

Typical applications

• Angular encoder

• Electric vehicles

Dimensions in mm

Type Ordering Code

FP 310 L 100-30 Q65310-L100-U30
FP 310 L 100-75 Q65310-L100-U75

The contactless potentiometer comprises a GaAs Hall effect sensor actuated by two
permanent magnets which are mounted on the end of the potentiometer spindle. The
device is complete with supply voltage stabilisation and series connected output
amplifier. Two measuring ranges are offered, 0…30° and 0…75°, and the output is given
as a current of 0…20 mA linearly proportional to the angle of rotation. Temperature
compensation circuitry is also included.

Semiconductor Group 1 07.96

FP 310 L 100

Maximum ratings
Parameter Symbol Value Unit

Operating temperature
Supply voltage
Supply current

T

Electrical characteristics (

= 25 °C)

A

Linear angle of rotation
FP 310 L 100-30
FP 310 L 100-75

Output signal for corresponding angle
of rotation

Load resistance
Temperature error in the range

– 25 °C…+ 70 °C
Linearity

FP 310 L 100-30
FP 310 L 100-75

T
V
I

A

IN

IN

– 25 / + 70 °C
15 V
75 mA

Φ

I

OUT

R

0…30
0…75

0…20 mA

L

0…500 Ω

deg.
deg.

– ± 3 % FS

F

L

≤ ± 1
≤ ± 2

% FS

% FS
Hysteresis – ≤ ± 1 % FS
Sense of rotation (looking onto shaft) – clockwise –

Mechanical ratings

Required torque
Max. perm. compressive axial force
Max. perm. tensile axial force
Max. perm. radial force
Max. perm. speed

Cycles (life)

M

d

F

a compr.

F

a tens

F

r

n
L

0.2 typ. Ncm
10 N
3N
10 N
3000 min

8

10

-1

–

Semiconductor Group 2