Product Details

Baumuller 3.0735A is a dedicated analog I/O board and analog signal PCB built for legacy Baumuller modular servo drive platforms. This analog I/O board receives external analog setpoint signals and outputs analog monitoring signals for speed, torque and operational status. The analog signal PCB integrates precision signal converters, filtering networks and isolation circuits to convert between analog voltage/current signals and digital data recognized by the drive CPU. It supports adjustable signal ranges and offset calibration to match different sensors, potentiometers and external control devices. The multi-layer FR4 circuit board is conformal coated to protect delicate analog traces against dust, moisture and corrosive vapors inside industrial control cabinets. As an obsolete and hard-to-source discontinued spare, it serves as a direct drop-in replacement to restore analog setpoint control and analog status output for ageing Baumuller servo drives.

Basic Parameters

Brand: Baumuller

Model: 3.0735A

Product Type: Analog input and output board, analog signal PCB card

Main Function: Analog setpoint acquisition, digital-to-analog conversion, signal filtering, range calibration, analog status output

Interfaces: Analog signal terminal block, backplane edge connector, signal and fault LED indicators

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

Mounting: Internal plug-in installation inside compatible Baumuller servo drive housing

Auxiliary Supply: 24 V DC for signal circuits

Net Weight: Approximately 215 g

Condition: Original discontinued industrial spare

Supported Functions

This analog I/O board supports continuous analog reference control for servo regulation. The analog signal PCB converts incoming analog command signals into motion setpoints for the main control board, while converting internal drive operating data into standard analog signals for external meters and recorders. It suppresses high-frequency noise on analog lines and detects out-of-range signal conditions to trigger warning messages. It works cooperatively with the main control board, encoder interface board and gate drive board to realize analog speed and torque control. If this analog interface card fails, the drive will lose analog command capability and cannot transmit analog running status to external equipment.

Core Functions

The core function of this analog I/O board is to provide galvanically isolated analog signal exchange between the servo drive and field devices. It performs high-precision A/D and D/A conversion to translate external analog commands into drive instructions and export drive internal variables. Built-in signal conditioning stabilizes weak analog signals and reduces drift caused by temperature variation. This analog signal PCB acts as an essential spare to rebuild analog control channels for legacy motion machinery and retain compatibility with older analog control systems.

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 analog signal terminals

Protection: Overvoltage protection for analog ports, out-of-range alarm, IP20

Anti-interference: Isolated analog ground and low-pass filtering circuits to suppress electromagnetic noise inside cabinets

Compatibility: Suitable 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 800 series backplane compatibility, pulse signal type, counting mode and preset logic before ordering.

This is from our current stock.

available stock.xlsx