We developed a custom solution for the GA241.B105102 encoder, intended for applications where stable 13-bit Gray-code parallel absolute position output must be maintained under industrial noise, direct PLC input structures, and connector-based panel wiring conditions. This configuration is based on the GA241 singleturn parallel absolute encoder platform, using a synchro flange, Ø6 mm solid shaft, 10–30 VDC supply, and Gray-code push-pull output via M23 21-pin connector. It is not a serial encoder and it is not tolerant of loose control logic. It is a parallel data system where STORE timing, ENABLE control, and connector-level signal integrity determine whether the output remains usable. Typical production lead time: 15 working days.

Custom Solution Photos

GA241.B105102 Gray Parallel Encoder M23 Connector Solution-EncoderWorks
GA241.B105102 Gray Parallel Encoder M23 Connector Solution-EncoderWorks

Stable operation depends on shaft alignment, synchro flange rigidity, connector stability, and controlled parallel signal handling.

System Limits

  • No STORE signal during readout → data may change during sampling
  • ENABLE not active → output enters high-impedance and appears lost
  • Connector pin mismatch or EMC noise → bit errors in parallel data

The GA241 platform provides 13-bit (8192 steps) optical singleturn output with push-pull drivers and code continuity monitoring. In connector-based installations, the main limitation shifts from cable routing to pin assignment accuracy and connector shielding quality. Even with a mechanically stable encoder, incorrect pin mapping or weak shielding can produce wrong absolute values at the PLC level.

This model uses Gray code, which is more tolerant of transition ambiguity than binary output when all bits are not sampled at exactly the same instant. That improves readout stability in practical parallel systems, but it does not remove the need for correct STORE timing, proper shielding, and stable ENABLE control.

Installation and Wiring Constraints

  • Use rigid synchro flange mounting and maintain shaft alignment
  • Use STORE input to latch position data before reading
  • Keep ENABLE active (Low) for valid output
  • Verify M23 21-pin connector pin assignment before commissioning
  • Define UP/DOWN logic according to real shaft rotation
  • Ensure full shielding and grounding at connector level

Failure boundary:

  • Missing STORE → unstable Gray-code readout
  • ENABLE inactive → no output
  • Wrong pin mapping → incorrect data interpretation
  • Poor connector shielding → intermittent or corrupted data
  • Excess shaft load or misalignment → reduced mechanical reliability

Replacement and Interface Mapping

  • Suitable for systems requiring 13-bit Gray-code parallel absolute feedback via connector interface
  • Applicable where synchro flange mounting, Ø6 mm shaft, and structured panel wiring are required
  • Not suitable where serial communication is expected or where parallel timing cannot be controlled
  • Best used in systems with strict control over connector wiring and signal timing

Key Data

  • Model: GA241.B105102
  • Type: Singleturn absolute encoder, parallel
  • Sensing method: Optical
  • Resolution: 13 bit / 8192 steps
  • Code: Gray
  • Output circuit: Push-pull, short-circuit proof
  • Supply voltage: 10–30 VDC
  • Initializing time: typ. 20 ms
  • Accuracy: ±0.025°
  • Shaft: Ø6 mm solid shaft
  • Flange: Synchro flange
  • Connection: M23 connector (21-pin)
  • Max speed: ≤10000 rpm mechanical / ≤6000 rpm electrical
  • Shaft load: ≤20 N axial / ≤40 N radial
  • Protection: IP54 / IP65
  • Operating temperature: -25 to +85 °C
  • Housing: Ø58 mm aluminium

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