Siemens 6NH7800-4AA00


The Siemens product 6NH7800-4AA00 is a SINAUT ST7 TIM 4V communications processor designed for use with SIMATIC S7-300 and S7-400 systems featuring an MPI interface. This unit includes RS232 and RS485 interfaces, enabling connections to external modems or wireless devices for enhanced communication capabilities. Although this particular model has been discontinued since January 2018, it remains a notable component for legacy system support. BSP Automation continues to supply this product, supporting users who maintain and service existing installations.
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