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Magnet sensor
Product Name:MR50L Long Stroke Absolute Magnetic Scale
Product Summary:

The maximum range of the MR50L long-stroke absolute magnetic scale can reach 16.384 meters, and the range range that can be selected is wider. The absolute magnetic scale is a high-precision sensor used for linear or rotational position measurement. Its core working components are divided into two main parts. The "magnetic scale" has magnetic scales evenly recorded on the scale. The "reading head" is equipped with a magnetic sensitive element inside. When moving above the ruler, the absolute position information of the magnetic signal can be read. There is no need to go back to zero to find a reference point like an incremental ruler. Even if the power is cut off midway, the position information will not be lost. The position will still be accurate after repowering.

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  • Product Overview
  • Technical Parameters
  • Size selection

I. Overview of the MR50L long-stroke absolute magnetic scale:

The maximum range of the MR50L long-stroke absolute magnetic scale can reach 16.384 meters, and the range range that can be selected is wider. The absolute magnetic scale is a high-precision sensor used for linear or rotational position measurement. Its core working components are divided into two main parts. The "magnetic scale" has magnetic scales evenly recorded on the scale. The "reading head" is equipped with a magnetic sensitive element inside. When moving above the ruler, the absolute position information of the magnetic signal can be read. There is no need to go back to zero to find a reference point like an incremental ruler. Even if the power is cut off midway, the position information will not be lost. The position will still be accurate after repowering.

 

II. Features and applications of MR50L long-stroke absolute magnetic scale:

Strong anti-interference, insensitive to industrial environments such as oil, dust, vibration, etc., high reliability; No need to return to zero, saving time and preventing production problems caused by unexpected power outages; Simple maintenance, usually no need for batteries to maintain memory, and solid structure. It is widely used in situations that require high reliability and absolute position memory, such as CNC machine tools, precision measurement equipment, automated production lines, medical equipment, robots, etc.

Long-range absolute magnetic scale:

1. Dual-channel absolute magnetic scale encoder,

2. Periodic encoding length 16384mm,

3. Speed ​​up to 5m/s,

4. Support SSI, BISS-C, RS485 (MODBUS-RTU).

 

III.Technical Parameters

Resolution

0.1μm

Magnetic pole width

2+2mm

Measuring range

0-16.3m(Optional)

Repeatability

<2µm

Supply Voltage

DC5V

Current consumption

155mA(Max)

Magnetic stripe precision

±20um

Location Data Interface

RS485“Modbus-RTU”;SSI;BISS-C (optional)

Parameter Configuration Interface

RS485

IP grade

IP67

SSIClock frequency input

≤750KHz(Depends on the cable length)

Maximum Speed

5m/s

Seismic Resistance

300m/s2

Cable length

Default 2 meters (maximum 10 meters)

Default 2 meters (maximum 10 meters)

0.4(mm)±0.1mm

 

IV.Wiring Definition:

Output signal

Red

Black

Blue

White

Yellow

Green

Shielded Wire

RS485

5VDC

0V

A

B

NC

NC

Earthing

SSI

5VDC

0V

D+

D-

C+

C-

Earthing

BISS

5VDC

0V

MA+

MA-

SLO+

SLO-

Earthing

 

SSI Timing requirements

SSI Technical Requirements

Frequency

Bit

Code

Resolution

Remarks

100khz- 1Mhz

25 bit

Gray code

1um

Factory default

100khz- 1Mhz

32 bit

Optional

0.1um

Configurable

 

SSI Temporal parameters

Parameter

Symbol

Minimum

Typical value

Maximum

Clock frequency

tcl

10us

5us

1us

Clock frequency

tcl

100Khz

200Khz

1Mhz

Pause time

tp

64us

128us

 

 

SSI Data Format

25 Bit

Bit

b24-b0

Length

25bits

Data

Location Unit 1um

Code

Gray code

 

32 bit

Bit

b31-b1

B0

Length

31bits

1bit

Data

Location unit 0.1um

Error position

Code

Grade code

 

 

BISS-C Timing requirements

BISS-C Technical Requirements

Frequency

Data bits

Code

Resolution

Remarks

100khz- 1Mhz

30 bit

Binary

0.1um

Factory default

 

BISS-C Temporal parameters

Parameter

Symbol

Minimum

Typical value

Maximum

Clock frequency

tMA

1us

 

10us

Clock frequency

f

100Khz

 

1Mhz

ACK Length

tACK

 

1bits

 

Transmission timeout

tM

 

10us

 

Pause time

tP

 

64us

 

 

BISS-C Data Format

Bit

b38-b8

b7

b6

b5:b0

Length

30bits

1bit

1bit

6bits

 

 

 

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