IEC 61131 Controller, Straton IDE, 2AI built-in Z-TWS11 is a low-cost / high-performance Control System for plant automation (Straton - Soft PLC IEC 61131-3). Through to the integration with IDE Straton environment, Z-TWS11 supports standard communication protocols such as Modbus RTU, Modbus TCP and custom protocols. Suitable for small control systems and monitoring applications.