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2026-09-06T07:56:54Z

Freigegebene technische Dokumentation veröffentlicht; Text-only und noindex

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'''Documentation notice:''' This technical documentation was independently rewritten from an archived supplier source. Check technical details and commands against the product version and manufacturer documentation before use.

== Summary ==
The DDSM115 is an integrated permanent magnet synchronous motor (PMSM) with a built-in encoder and FOC drive controller. It provides low speed at high torque, low noise, and a compact all-in-one design for robotics, AGV, and vehicle platforms.

== Related products at JW Tech ==
* [https://shop.jw-tech.eu/p/WSAL23489 WSAL23489 – DDSM115 Direct Drive Servo Motor, Low Speed &amp; High Torque, Low Noise, All-In-One Design, Hub Motor]

== Technical overview ==
* Input power: 18 V DC (5S LiPo); allowable voltage range 12–24 V DC.
* No-load speed: 200 ± 10 rpm; rated speed: 115 rpm; rated torque: 0.96 Nm; locked-rotor torque: 2.0 Nm.
* Rated current: 1.5 A; locked-rotor current ≤ 2.7 A; no-load current ≤ 0.25 A.
* Torque constant: 0.75 Nm/A; speed constant: 11.1 rpm/V; maximum efficiency ≥ 60 %.
* Encoder resolution: 4096; relative accuracy: 1024; protection rating IP54; weight: 765 ± 15 g.
* Operating temperature range: −20 °C to +45 °C; overheat protection at 80 °C, released below 75 °C.
* RS485 bus: baud rate 115200, 8 data bits, 1 stop bit, no parity, 10-byte frames, response rate up to 500 Hz.
* Protection thresholds: bus overcurrent 3 A, phase overcurrent 4.6 A, locked-rotor trip after > 5 s; all protection releases after 5 s.

'''Commands and examples – verify before use:'''
<syntaxhighlight lang="text">
Moduswechsel in den Drehzahlkreis: 01 A0 00 00 00 00 00 00 00 02
Abfrage des Betriebsmodus: 01 74 00 00 00 00 00 00 00 04
Bremsbefehl (gültig im Drehzahlmodus): 01 64 00 00 00 00 00 FF 00 D1
ID-Einstellung (fünfmal senden): AA 55 53 01 00 00 00 00 00 CB
ID-Abfrage: C8 64 00 00 00 00 00 00 00 DE
Stromkreiseingaben (−32767…32767 entspricht −8 A…+8 A): z. B. 01 64 00 00 00 00 00 00 00 50 (0 A)
Drehzahlkreiseingaben (−330…330 rpm): z. B. 01 64 00 32 00 00 00 00 00 D3 (+50 rpm)
Positionskreiseingaben (0…32767 entspricht 0°…360°): z. B. 01 64 27 10 00 00 00 00 00 57 (10000)
</syntaxhighlight>

== Notes and version constraints ==
* Before first start-up, verify the supply voltage (18 V / 5S LiPo) and correct wiring; poor contact can cause malfunction or damage.
* Do not immerse the motor in water; water ingress may cause abnormal operation or damage.
* Do not touch rotating parts during operation; high-torque operation generates heat – burn risk.
* Do not disassemble without authorization; this may cause malfunction, damage, or safety hazards.
* When querying the motor ID, only one motor should be connected to the RS485 bus, otherwise responses may collide.
* CRC8 values in the example commands are manufacturer-provided; any custom command must be validated with a CRC-8/MAXIM calculator before sending.
* The source contains placeholder tokens ({{{name2}}}, {{{userDefinedInfo}}}, etc.), indicating incomplete metadata – technical details should be verified against the current product page.
* The stated protection thresholds (3 A, 4.6 A, 80 °C) are taken from the source; if the firmware version differs, values may vary – please confirm with Waveshare.

== Source and revision record ==
* [https://www.waveshare.com/wiki/DDSM115 DDSM115 - Waveshare Wiki]
* Source revision: 75866
* Captured: 2026-09-04T03:03:05+00:00
* SHA-256: <code>ebd0080b357115ad9a805fc1fa39fb9418afbb07d96432f998460a3d8ff9398a</code>

WSAL23489 – DDSM115/en - Versionsgeschichte

JWTechPublisher: Freigegebene technische Dokumentation veröffentlicht; Text-only und noindex