Product Details

Baumuller 3.0217C, also marked as 30217C, is a dedicated sine‑cosine encoder feedback PCB card designed for legacy Baumuller modular servo drives, widely adopted on Gerber motion drive systems. This sine cosine encoder board samples high‑resolution analog sine/cosine feedback signals from rotary encoders, converts subtle analog phase signals into digital position and speed data, and transmits precise real‑time feedback to the main control board for high‑accuracy closed‑loop motion regulation. It integrates low‑noise preamplifiers, phase interpolation circuits and signal validation logic to boost effective resolution and suppress signal drift, which is critical for cutting and positioning machinery. The feedback PCB uses industrial multi‑layer FR4 substrate with conformal coating to guard sensitive analog traces against dust, moisture and corrosive vapors inside control cabinets. As an obsolete and hard‑to‑locate discontinued spare, it serves as a direct drop‑in replacement to restore high‑precision position feedback for ageing servo axes requiring sine‑cosine encoder interface.

Basic Parameters

Brand: Baumuller

Model: 3.0217C, alternative marking: 30217C

Product Type: Sine‑cosine encoder interpolation and feedback interface PCB card

Main Function: Sine/cosine signal amplification, phase interpolation, position calculation, speed feedback, encoder fault detection

Interfaces: Backplane edge connector, differential encoder terminal port, status LED indicators, configuration jumpers

PCB Treatment: Conformal coated multi‑layer circuit board, UL 94V‑0 flame retardant

Mounting: Internal slot plug‑in mounting inside compatible Baumuller servo drive housing

Supply Voltage: 24 V DC auxiliary supply

Net Weight: Approximately 220 g

Condition: Original discontinued industrial spare

Supported Functions

This sine cosine encoder board supports high‑resolution interpolated feedback for precision servo control. It receives low‑amplitude analog sine and cosine signals from the encoder, performs fine phase interpolation to achieve far higher positional resolution than raw pulse counting, and feeds calibrated position and velocity values back to the master controller. The position sensing card continuously monitors signal amplitude, phase balance and cable faults; it triggers fault alarms once signal loss, short circuit or phase distortion is detected to prevent positioning deviation. It works synchronously with the main control board and regulator board to deliver smooth, accurate motion. If this feedback card fails, the servo drive will report encoder feedback errors and cannot complete high‑precision positioning; replacing this feedback PCB quickly restores the full closed‑loop positioning performance.

Core Functions

The core function of this sine cosine encoder board is analog encoder signal conditioning and high‑resolution interpolation for the servo drive. It converts raw sine‑cosine analog signals into usable high‑resolution digital position data for motion control algorithms. It provides continuous signal health monitoring to improve system reliability and avoid costly positioning scrap. It acts as a drop‑in replacement spare to rebuild the high‑precision feedback loop of legacy Baumuller motion machinery and keep precision production equipment operational.

Hardware Specifications & Environmental Features

Operating Temperature: 0°C ~ +60°C

Storage Temperature: -20°C ~ +75°C

Relative Humidity: 5%–95%, non‑condensing

Housing: Bare coated PCB with slot edge connectors

Protection: ESD protection for all signal ports, IP20

Anti‑interference: Onboard differential preamps and filtering circuits to suppress electromagnetic noise inside cabinets

Compatibility: Matched for legacy Baumuller servo drives and Gerber drive systems

Industry Applications: Applied in legacy petrochemical distributed control, old paper making production automation, material handling conveyor lines, packaging and textile machinery, water treatment remote signal collection and large conveyor remote I/O control racks.

Note：Confirm drive model compatibility, sine‑cosine encoder specification, interpolation version and pin assignment before ordering.

This is from our current stock.

available stock.xlsx