Electric Circuit Components & Parts

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MEA-38 Absolute Magnetic Encoder

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Description :

MEA Absolute Magnetic Encoder provides an integrated solution for angular detection.
With ease of use in mind, these magnetic encoders are ideal for angular detection within a complete 360° rotation. Based on magnetic technology, the encoder is non-contact and ensures reliable operations, motion control and sensing activities eliminates mechanical contact

Feature :

10 or 12 bits resolution (1024 to 4096)
Contactless sensing technology
Absolute angular position detection
SSI output for absolute position data (binary format)
Wide temperature range from -40 to 125°C
Easy assembly and no signal adjustment required
RoHS compliant
Single-Ended or Differential Outputs for ABI Channels
U/V/W Commutation Outputs (Differential or Open-Collector)
Compatible withΦ6mm/Φ8mm/Φ10mm Size Diameters
Allows for ± .005" Axial Shaft Play

Applications of Encoder :

Drives
Rolling mills
Wind energy
Port machinery
Textile industries
Construction
Robotics
Farm machinery
Solar energy
Industrial doors

Protocol SSI Description :

SSI is synchronous series signal. One pair is clock trigger and the other is data transmission for the actual two pairs RS422 The absolute position of the encoder is triggered by the clock signal of the receiving device from the high bit of binary code (MSB) and output the serial signal is Synchronous with the clock signal.
The clock signal starts from the receiving device and outputs certain amounts of interruptive pulses according to the total bits of the encoders. When non-operational, clock and data line levels are high and the current data will be memorized from the first falling edge of the clock signal.
Data transmission starts from the rising edge of the clock signal. Clock signals are synchronous to the data. t3 means the recovered signal waiting for the next transmission (The default is data increasing when facing to shaft clockwise).

Specifications

Series	MEA
Supply Voltage	10-30Vdc or 5Vdc(order on demand)
Current Consumption	<100mA
Interface	SSI (Synchronous-Serial Interface) RS485,CANopen,PROFIBUS-DP and so on can be ordered on demand.
Clock Input	Via Opto-Coupler
Data Output	Line-Driver According to RS 422
Singleturn Resolution	1024-4096 Steps / Revolution ( 10 Bit-12Bit )
Singleturn Accuracy	±2BIT(Actual accuracy according to precision of the actual installation and shaft concentricity)
Clock Frequency	0.1-1MHz(too fast frequency affects the transmission distance)
Operating Temperature	-25 - 70^oC cable -15 - 70^oC
Storage Temperature	- 40^oC - +85^oC
Humidity	95% (Without Condensation)
RPM(Continuous Operation)	Max. 12000 RPM (3000RPM with no resolution decreased)
Protection Class	IP65
Max. Shaft Load	Axial 40N, Radial 110N
Start Torque	<0.05 N.m
Vibration	EN 60068-2-6 10g, 10-2000Hz
Shock	EN 60068-2-27 100g, 6ms
Housing	38mm
Shaft Diameter	Φ6mm/Φ8mm/Φ10mm
Connector Types	Radial or axial shielded cable exit with 1 m length others type can be ordered on demand
Flange Types& Housing	Clamp flange or synchro flange with aluminum housing and sealed double bearing structure