The Siemens 6GK7243-2AX01-0XA0 is a CP 243-2 AS-Interface Master for SIMATIC S7 systems. It connects up to 31 slaves via a single two-core cable with safety support.
Siemens 6GK7243-2AX01-0XA0 to connect SIMATIC S7 controllers to AS-Interface networks. This communication processor functions as a master node that manages up to 31 standard slaves. The module replaces complex wiring with a single unshielded two-core cable for power and data transmission. Users configure the system easily through STEP 7 software or the TIA Portal environment. The device supports both standard AS-Interface cycles and safe-related communication for emergency stops. Operators benefit from automatic address assignment features that simplify commissioning and maintenance tasks. The module integrates seamlessly into the S7-300 or S7-400 backplane bus for fast data exchange. Diagnostic LEDs on the front panel provide immediate visual feedback regarding network status and errors. Facilities utilize this master to connect sensors, actuators, and small drives in distributed automation architectures. The robust design ensures reliable operation in electrically noisy industrial environments. This solution significantly reduces installation costs while maintaining high data integrity across the field network.
| Parameter | Specification |
|---|---|
| Model Number | 6GK7243-2AX01-0XA0 |
| Product Type | AS-Interface Master Communication Processor |
| Series | SIMATIC NET / CP 243-2 |
| Compatible Systems | SIMATIC S7-300, S7-400 |
| Max Slave Stations | 31 Standard Slaves |
| Communication Profile | AS-Interface 3.0 |
| Data Cable | Unshielded Two-Core Flat Cable |
| Safety Support | AS-Interface Safety at Work (up to SIL 3) |
| Addressing Mode | Automatic or Manual |
| Cycle Time | Typical 5 ms for 31 slaves |
| Power Supply | Via Backplane Bus (S7 System) |
| Diagnostic Features | LED Status Indicators, Software Diagnostics |
| Origin | Germany |
| HS Code | 8537101190 |
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