Product Details

Baumuller 3.0307C is an original plug‑in digital I/O and logic control PCB board built for legacy Baumuller modular servo drive platforms. This digital I/O board handles the exchange of discrete enable signals, limit switches, home sensors, relay outputs and machine interlock signals between the servo drive and the host machine control system. It filters input contact bounce, provides logic latching for safety interlocks, and drives isolated digital outputs for status indication and external actuator triggering. The servo logic PCB adopts industrial multi‑layer FR4 substrate with conformal coating, shielding its logic circuits against dust, moisture and corrosive vapors within control cabinets. As an obsolete and hard‑to‑source discontinued spare, it serves as a direct drop‑in replacement to restore all discrete signal interlock and logic control functions for ageing Baumuller servo drive assemblies.

Basic Parameters

Brand: Baumuller

Model: 3.0307C

Product Type: Servo drive digital I/O and logic control PCB board

Main Function: Discrete signal acquisition, contact debouncing, safety interlock logic, isolated digital output driving, I/O fault detection

Interfaces: Backplane edge connector, screw terminal block for digital I/O, status LED indicators, interlock signal pins

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 digital I/O board supports high‑reliability discrete signal handshaking for the servo axis. It receives hardware enable, emergency stop, overtravel limit and reference home signals from the machine and transmits these logic states to the main control board. The servo logic PCB drives isolated digital outputs to signal drive ready, fault alarm, axis in‑position and running status to external PLC or machine relays. It continuously monitors input line breaks and short circuits, and enforces interlock logic to prevent unsafe axis movement. If this I/O board fails, the drive may ignore limit signals, lose ready output or refuse to accept hardware enable; replacing this signal control card quickly restores all machine interlock and discrete I/O functions.

Core Functions

The core function of this digital I/O board is galvanically isolated discrete signal routing and safety interlock management for the servo drive. It translates raw machine switch signals into valid logic commands for the drive controller and converts internal drive states into external dry‑contact or transistor outputs. It adds hardware‑assisted safety interlock supervision to reduce the risk of unintended motion. It acts as a drop‑in replacement spare to rebuild the machine signal interface of legacy Baumuller motion machinery and preserve safe automatic operation of old production equipment.

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 debounce filtering and optical isolation circuits to suppress electromagnetic noise inside cabinets

Compatibility: Matched for legacy Baumuller modular servo drive units

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, I/O logic definition, terminal assignment and interlock wiring before ordering.

This is from our current stock.

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