Description
- Model Number: 109-525-1252A
- Manufacturer: Indramat (Bosch Rexroth)
- Part Number: 109-525-1252A
- Compatibility: Indramat Trans01 and Drive Systems
- Function: Signal interface and communication link
- Input Voltage: +24 VDC (Typical control power)
- Signal Type: Digital/Analog I/O and Encoder feedback signals
- Mounting Type: Integrated plug-in module / Front panel mount
- Enclosure Rating: IP20 (Industrial indoor environment)
The 109-525-1252A is a high-precision interface module designed for Indramat’s legacy motion control systems, facilitating the critical signal exchange between the central control unit and the drive power sections. This module serves as a bridge for encoder feedback, diagnostic data, and command signals, ensuring that high-speed positioning tasks are executed with synchronization and minimal latency. Its robust electronic design is optimized for the harsh electrical environments of industrial manufacturing, providing high noise immunity and reliable performance in CNC machining, automated assembly lines, and robotics applications.
Comparison with Similar Models
The 109-525-1252A belongs to a specialized group of Indramat interface boards with distinct hardware configurations:
- 109-525-1252A vs. 109-0525-4201-01: While both modules handle drive communication, the 109-525-1252A features a specific circuit layout intended for specialized Trans01 feedback loops. The 4201-series is often associated with different logic voltage levels or earlier iterations of the analog signal processing chain.
- 109-525-1252A vs. DEA Series (Digital I/O): The DEA modules are primarily focused on general-purpose digital input/output expansion. In contrast, the 109-525-1252A is a dedicated drive interface that manages more sensitive timing-related signals and high-resolution feedback that standard digital I/O cards cannot process.
- 109-525-1252A vs. Bosch Rexroth CSB/CDB Modules: The CSB and CDB series are the modern equivalents for the IndraDrive platform. The 109-525-1252A remains the essential component for maintaining and repairing older Indramat AC drive systems where modern digital fieldbus interfaces are not compatible with the existing legacy backplane and firmware.

