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M3100-00X | Lightbus incremental encoder interface

 

The M3100 module permits any incremental encoder to be connected to the Lightbus system. A 24 bit counter with a quadrature decoder and a 24 bit latch for the zero pulse can be read, set or enabled. The fibre optics connection of the Lightbus system allows the transducer values to be transmitted at high speed and without interference to a central device such as a PC, PLC or CNC within 25 µs. Up to 255 transducers can be interrogated over one Lightbus ring.

Features

  • integration of all digital functions into a single LCA (logic cell array) circuit
  • quadrature decoder with 1-, 2- and 4-fold evaluation
  • 24 bit counter with 1 MHz frequency limit
  • 24 bit latch for counter value at zero pulse
  • read, set and activate commands for counter and zero-pulse registers via Lightbus system
  • connection for 3-channel incremental transducer

 

Technical data  
Fieldbus Lightbus
Data transfer rates 2.5 Mbaud, 32 bits of process data in 25 µs
Encoder connection A, A(inv), B, B(inv), zero, zero(inv), status
Encoder operating voltage optionally 5 V DC/15 V DC
Counter 24 bits, binary
Limit frequency 1 MHz
Quadrature decoder 1-, 2-, or 4-fold evaluation
Zero-pulse latch 24 bits
Commands read, set, enable
Supply voltage 24 V DC (-15 %/+20 %)
Current consumption 0.1 A (without sensor load current)
Housing form die-cast aluminium (IP 65) with screw fastening
Dimensions (W x H x D) 80 mm x 175 mm x 52 mm
Operating/storage temperature 0…+55 °C/-25…+85 °C
Vibration/shock resistance conforms to EN 60068-2-6/EN 60068-2-27/29
EMC immunity/emission conforms to EN 61000-6-2/EN 61000-6-4
Protection class IP 65

 

 

Ordering information  
M3100-000 standard version
M3100-001 version with additional enable input
M3100-002 version with cable entry from the side
M3100-003 version with additional enable input and cable entry from the side

 

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