For systems using the GEMMW.B203P32 model, we provide a precise Profibus-DP multiturn absolute encoder 1:1 replacement solution. The replacement encoder replicates the original unit’s electrical behavior, bus interface, resolution, and functional characteristics, allowing installation without mechanical or software modifications, ensuring minimal downtime and reliable system performance.
From a technical perspective, GEMMW.B203P32 is a multiturn optical absolute encoder providing singleturn 13-bit resolution and multiturn 14-bit resolution through the Profibus-DP interface. It delivers high accuracy and stable communication, with programmable rotation direction and parameter settings for steps per revolution, total revolutions, preset, and scaling. Integrated self-diagnostics and continuous multiturn sensing enhance operational safety and ensure precise position feedback even under demanding industrial conditions. The device powers from 10–30 V DC, features reverse polarity protection, and typical initialization completes within 250 ms.
Mechanically, the encoder features a stainless steel Ø58 mm housing with clamping or synchro flange, shafts of Ø10 mm or Ø6 mm, and high tolerance for axial and radial loads. It is designed to withstand vibration, shock, humidity, and extended temperature ranges, while offering a mechanical speed limit of 10,000 rpm and electrical speed up to 6,000 rpm. This 1:1 replacement solution provides a reliable long-term alternative for the GEMMW.B203P32 model in industrial systems requiring high-precision Profibus-DP multiturn position feedback.
Technical data
| Parameter | Value |
| Voltage supply | 10...30 VDC |
| Reverse polarity protection | Yes |
| Consumption w/o load | ≤100 mA (24 VDC) |
| Initializing time (typ.) | 250 ms after power on |
| Interfaces | Profibus-DPV0, CANopen, DeviceNet |
| User address | Rotary switch in bus cover (type-specific) |
| Steps per turn | 8192 / 13 bit |
| Number of turns | 65536 / 16 bit |
| Absolute accuracy | ±0.025° |
| Sensing method | Optical |
| Code | Binary |
| Code sequence | CW/CCW programmable |
| Interference immunity | DIN EN 61000-6-2 |
| Emitted interference | DIN EN 61000-6-4 |
| Programmable parameters | Steps per revolution, Number of revolutions, Preset, Scaling, Rotational direction |
| Diagnostic functions | Position or parameter error, Multiturn sensing |
| Approval | UL approval / E63076 |
| Parameter | Value |
| Housing | ø58 mm |
| Shaft | ø10 mm (clamping flange) ø6 mm (synchro flange) |
| Flange | Clamping or synchro flange |
| Protection DIN EN 60529 | IP 67 |
| Operating speed | ≤10000 rpm (mechanical) ≤6000 rpm (electric) |
| Starting torque | ≤0.03 Nm IP 67 |
| Rotor moment of inertia | 20 gcm² |
| Admitted shaft load | ≤20 N axial ≤40 N radial |
| Materials | Housing: stainless steel 1.4305 Flange: stainless steel 1.4305 Bus cover: stainless steel 1.4305 |
| Operating temperature | -25...+85 °C -40...+85 °C (optional) |
| Relative humidity | 95 % non-condensing |
| Resistance | DIN EN 60068-2-6 (Vibration 10 g, 16-2000 Hz) DIN EN 60068-2-27 (Shock 200 g, 6 ms) |
| Weight approx. | 900 g |
