This drive control board manages motor speed and torque in industrial automation systems. It processes feedback signals and generates precise PWM output waveforms. The Siemens C98043-A7004-L2 delivers reliable performance for demanding motion control tasks. This versatile board supports a wide range of drive and servo applications.
Physical Dimensions and Installation Profile
This drive control board measures 233 millimeters in width, 160 millimeters in depth, and 35 millimeters in height. The unit weighs approximately 0.90 kilograms for secure chassis mounting. It installs directly into the drive rack using a high-density backplane connector. The board includes four mounting holes for additional mechanical support. Moreover, the PCB uses gold-plated edge connectors for reliable signal transfer.
Processor Architecture and Computational Power
The Siemens C98043-A7004-L2 features a 16-bit microcontroller running at 20 megahertz. It provides 64 kilobytes of program memory for control algorithms. The board includes 32 kilobytes of data memory for real-time variables. A dedicated digital signal processor handles the high-speed math operations.
Feedback Interfaces and Encoder Support
This drive control board accepts incremental encoder signals with A, B, and Z channels. It also supports resolver inputs for absolute position feedback. The board offers two analog inputs for current and voltage monitoring. Each feedback channel includes programmable filtering for noise rejection. The module processes encoder frequencies up to 500 kilohertz.
Output Signals and Power Stage Interface
The Siemens C98043-A7004-L2 generates six PWM outputs for power transistor switching. It provides complementary signals with programmable dead-time insertion. The board includes fault input pins for external protection circuits. Output signals are optically isolated for galvanic separation. A dedicated hardware shutdown input enables emergency stop functionality.
Communication Interfaces and Networking
This drive control board features one RS-232 port for configuration and diagnostics. It provides an RS-485 interface for multi-drive networking. The board supports the PROFIBUS DP protocol for fieldbus integration. A 10-pin ribbon connector handles parallel communication with auxiliary modules.
Component Architecture and Energy Storage
The Siemens C98043-A7004-L2 contains 165 individual components on a six-layer PCB. Key parts include the microcontroller, DSP, and precision oscillator circuits. The board uses high-speed digital isolators for noisy environments. A 1,000-microfarad capacitor bank provides local power decoupling.
Technical Data Summary
| Parameter | Specification |
|---|---|
| Brand | Siemens |
| Model | C98043-A7004-L2 |
| Product Type | Drive Control Board |
| Dimensions (W x D x H) | 233 mm x 160 mm x 35 mm |
| Weight | 0.90 kg |
| Processor | 16-bit microcontroller @ 20 MHz |
| Program Memory | 64 KB |
| Data Memory | 32 KB |
| PWM Outputs | 6 (optically isolated) |
| Dead-Time Control | Programmable |
| Encoder Inputs | Incremental (A, B, Z) |
| Resolver Inputs | 1 (absolute position) |
| Analog Inputs | 2 (current/voltage) |
| Max Encoder Frequency | 500 kHz |
| RS-232 Port | 1 (configuration/diagnostics) |
| RS-485 Port | 1 (multi-drive networking) |
| Fieldbus Protocol | PROFIBUS DP |
| Emergency Input | Hardware shutdown |
| Decoupling Capacitance | 1,000 µF |
| Component Count | 165 parts |
| PCB Layers | 6 |
| Connector Finish | Gold-plated edge |
System Integration and Application Scope
This drive control board integrates seamlessly with Siemens drive systems and motors. It handles speed control, positioning, and torque regulation tasks effectively. Consequently, the Siemens C98043-A7004-L2 provides a reliable control platform for precision motion applications.
Details
| Weight | 0.90 kg |
|---|---|
| Dimensions | 233 × 35 × 160 mm |
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