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Technical Overview
The 6ES5000-1AA31 interface card provides a flexible communication link between SIMATIC S5 controllers and external peripherals. This card supports RS-232C (V.24) and 20mA current loop interfaces for serial data exchange. It handles both point-to-point and multi-drop configurations for versatile network topologies. The onboard UART manages baud rates from 110 to 9600.
Key Technical Specifications
| Parameter | Specification |
|---|---|
| Brand | Siemens |
| Model Number | 6ES5000-1AA31 |
| Product Type | Interface Card |
| Series | SIMATIC S5 |
| Interfaces | RS-232C (V.24) and 20mA current loop (TTY) |
| Data Transfer Modes | Full-duplex and half-duplex |
| Baud Rate | 110 to 9600 baud (software-configurable) |
| Connector Type | 25-pin D-sub (RS-232) and terminal block (current loop) |
| Protocol Support | ASCII and Siemens-specific protocols |
| Data Buffering | 128-byte FIFO |
| Power Supply | 5V DC from backplane bus |
| Approx. Weight | 0.3 kg |
Dual-Interface Flexibility
The 6ES5000-1AA31 offers both RS-232C and 20mA current loop interfaces on one card. This dual capability ensures compatibility with older peripherals and modern serial devices. Users select the appropriate interface via configuration jumpers or software settings.
Communication Protocol and Data Handling
The card supports standard ASCII protocols and Siemens-specific data exchange formats. The 128-byte FIFO buffer manages data flow efficiently to prevent loss. Consequently, the module maintains reliable communication even during high-speed data bursts.
Hardware and Software Configuration
Users configure the card’s baud rate and data format using the STEP 5 software. DIP switches on the board allow for hardware-level adjustments when needed. The 25-pin D-sub connector provides a secure interface for RS-232 cabling.
System Integration and Peripheral Connectivity
This interface card plugs directly into the S5 backplane for power and data. It connects to devices such as printers, barcode scanners, and host computers. Engineers can quickly integrate the card into existing S5 systems without complex modifications.