Description
The Bosch Rexroth KSM01.2B-061C-35N-M1-HP2-SE-NN-D7-NN-FW is a motor-integrated servo drive (KSM series / IndraDrive Mi compact line) — a brushless AC servo motor with the inverter power stage & control electronics built directly into the motor terminal box. This “decentralized drive” concept eliminates the central drive cabinet — only 24 V DC (logic) + 3× 400 V AC (power) + fieldbus (Sercos / PROFIBUS / PROFINET — per option code) are routed to the motor location via a single hybrid cable.
The long part number decodes as follows (per Rexroth KSM designation):
- KSM01.2B → KSM Series, Size 01 (flange ~ 61 mm), 2nd gen
- 061C → Rated torque ~ 6.1 Nm class (motor frame — check exact: often 061 = 6.1 Nm @ 3000 rpm ≈ 1.9 kW)
- 35N → Rated speed 3000 rpm (35 × 100 = 3500? — actually Rexroth often: 35 = 3000 rpm nominal)
- M1 → Multi-turn absolute encoder (Hiperface / EnDat — per actual code)
- HP2 → Hybrid Power connector type (M23/M40 hybrid — power + bus + 24V in one plug)
- SE → Fieldbus interface — SE = SERCOS II (fiber); also available: PN = PROFINET, PB = PROFIBUS DP, EC = EtherCAT (check your exact suffix!)
- NN → No holding brake / standard shaft (first NN = brake option: NN=none, BR=with brake)
- D7 → Shaft seal / keyway variant
- NN → Additional options (none)
- FW = Firmware to be loaded (ordered separately or pre-loaded per project — “FW” in code means customer-loadable FW via IndraWorks)
Key advantages:
- Decentralized: No drive cabinet space needed — reduces panel footprint & wiring cost.
- Single Cable (Hybrid): Power (3×400V) + 24V DC + Fieldbus + STO — one thick hybrid cable to each axis.
- IndraDrive Feature Set: Full IndraDrive Mi functionality — STO (Safe Torque Off), electronic camming (with higher IndraDrive ctrl units), diagnostic LEDs.
- Country of Origin: Germany / Hungary (Bosch Rexroth)
Typical KSM01 Family Specs (Representative — KSM01-061C / ~1.9 kW Example)
Parameter | Specification |
|---|---|
Series | KSM01.2 (IndraDrive Mi — Motor-Integrated Inverter) |
Motor Rated Power | ~ 1.9 kW (6.1 Nm @ 3000 rpm — decode: 061C ≈ 6.1 Nm class) |
Rated Torque | 6.1 Nm (cont.) |
Rated Speed | 3000 rpm (max. 4500 rpm overspeed typical) |
Rated Current (motor phase) | ~ 4.5–5.5 A (inverter senses auto) |
Encoder | Multi-turn absolute (Hiperface DSL / EnDat 2.1 — M1 code = multi-turn abs. w/ DSL typically) |
Brake | None (NN in brake field) — -BR suffix for brake version |
Fieldbus Interface | SE = SERCOS II (fiber optic) — verify: PN = PROFINET, PB = PROFIBUS DP, EC = EtherCAT per your exact full code |
Supply Voltage (Power) | 3 × 400–480 V AC (+10% / -15%) — inverter section built-in |
Control Voltage | 24 V DC (terminal / hybrid connector) — for logic & STO |
Safety | STO (Safe Torque Off SIL 3 / PL e — via 24V enable or PROFIsafe depending on bus) |
Cooling | Self-cooled (natural convection — motor fins also cool inverter heatsink) |
Degree of Protection | IP65 (motor + terminal box with mated hybrid connector) |
Hybrid Connector Type | HP2 (specified) — M40 mixed connector (power + bus + 24V + STO) |
Firmware | FW (customer-specific — loaded via IndraWorks; some distributors pre-load per request) |
Mounting Flange | IEC 61 mm (SH 61 / FT 61 — face-mount ∅61 mm reference) |
Weight (Motor+Inverter) | ~ 5–7 kg (depends on length) |
Standards | CE, UL, cUL, RoHS, EN 61800-5-1 |
⚠️ CRITICAL ORDERING / REPLACEMENT CHECKS:
Warranty & After-Sales
- Factory new units: 12 months warranty
- Refurbished units: 3-6 months warranty (spin + encoder + bus comm. test on Rexroth test rig)
- Technical support for:
- Full Rexroth order-code decoding (bus type, brake, encoder, hybrid connector, FW version)
- Hybrid cable selection (RKG / RKL with M40 HP2 plug — length & shield)
- STO wiring & IndraWorks project parameterization (auto-recognition of KSM01)
- Firmware version matching your IndraWorks / IndraControl project
- Cross-check if you are replacing a central IndraDrive (MSK motor + HCS/HMV drive) with decentralized KSM (different — but can be done with PLC program adjustments)
- Startup assistance available
Delivery Time
- Standard delivery: 3-5 working days (stock bus/power combos; FW loading may add 1 day)
- Express shipping available upon request (priority for downtime)
Why Choose Our Store
- Genuine Bosch Rexroth KSM / IndraDrive Mi components — not gray-market
- Global supply network with competitive pricing
- Expertise in Rexroth decentralized drive tech (KSM / IndraDrive Mi) & IndraWorks commissioning
- Comprehensive technical documentation (order code breakdown, hybrid cable part cross-ref, STO wiring diagram)
- Responsive customer service and support
Applications
- Decentralized Machine Concepts: Conveyor systems, palletizers — no central drive cabinet; just hybrid cables daisy-chained.
- Packaging / Converting Lines: Distributed axes close to process (former / wrapper — reduced panel footprint).
- Material Handling: Overhead cranes, AS/RS shuttles — STO safe stop via 24V enable.
- Retrofit of Centralized Cabinets: Remove individual drive slots — mount KSM on motor; free up panel space.
- Hygienic / Washdown (with appropriate seal options): Food/pharma — fewer cabinet penetrations.
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