HDmag flex MQR 350A | Ланфор

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Производитель: Baumer

Артикул: Л-0039628

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Encoders without bearings - absoluteSensor head with split wheel and magnetic tape for shaft ø90...300 mm

"Quasi-absolute" (see below) encoder SSI without bearings
Split wheel design for easiest mounting on installed shafts
Very large axial tolerances ±8 mm
Resolution: singleturn ≤20 Bit, speed ≤18 Bit
Zero position and counting direction inputs
Status indication via system OK output and LED

Technical data - electrical ratings

Voltage supply

4.75...30 VDC

Consumption w/o load

≤300 mA (24 VDC)

Output signals

SSI data (Linedriver RS485)

Position resolution

0...20 bit singleturn

Speed resolution

≤18 bit (±20...±2000 rpm)

Code

Gray or binary

Code sequence

Positiv at CW

Input signals

SSI clock
Zero position
Rotating direction

Additional outputs

Square-wave HTL
Square-wave TTL (RS422)
SinCos

Status indicator

Color-LED, system OK output

Interference immunity

EN 61000-6-2

Emitted interference

EN 61000-6-3

Approval

CE
UL approval / E217823

Technical data - electrical ratings (square-wave)

Pulses per revolution

1024 … 4096

Phase shift

90 ° ±2°

Duty cycle

45…55 %

Output frequency

≤500 kHz (HTL)
≤2 MHz (TTL)

Output signals

A+, A-, B+, B-

Output stages

HTL, TTL/RS422

Technical data - electrical ratings (SinCos)

Sinewave cycles per revolution

1024 … 4096

Phase shift

90 ° ±2°

Output frequency

≤500 kHz

Output signals

A+, A-, B+, B-

Output stages

SinCos 1 Vpp

Technical data - mechanical design

Dimensions (sensor head)

165 x 25 x 93 mm

Outer diameter adapter wheel

350 mm

Over all depth adapter wheel

40 mm

Shaft type

ø90...300 mm (through hollow shaft)

Axial tolerance

±8 mm (belt to head)

Radial tolerance

1…3 mm (belt to head)

Shaft diameter tolerance

-0,4…0mm

Protection DIN EN 60529

IP 67

Operating speed

≤2000 rpm

Material

Housing sensing head: aluminium alloy
Adapter wheel: stainless steel (1.4104)
Magnetic belt: stainless steel (1.4104)

Operating temperature

-40...+85 °C

Resistance

IEC 60068-2-6
Vibration 30 g, 10...2000 Hz
IEC 60068-2-27
Shock 300 g, 6 ms

Weight approx.

880 g (head)
13 kg (wheel with belt, bore size ø90 mm)
12,5 kg (wheel with belt, bore size ø150 mm)
7 kg (wheel with belt, bore size ø299 mm)

Connection

Flange connector M23, 17-pin

"Quasi-absolute"

Initialization of a validate absolute position

The MQR350A is a “quasi-absolute” encoder.

"Quasi-absolute" means that it is an incremental encoder that provides a valid absolute position only after initialization.

Therefore the belt lock must pass the sensor head twice in the same direction. The zero position will then be set to the middle of the belt lock and the encoder delivers valid absolute position data.

Baumer_HDmagflex_BR_EN_1311_11114197_LR.pdf
Baumer_MQR350A_DS_EN.pdf
Baumer_MQR350A_II_DE-EN.pdf

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