![TIM 1531 IRC Communications module for SIMATIC S7-1500, S7-400, S7-300 with SINAUT ST7, DNP3 and IEC 60870-5-101/104 with three RJ45 interfaces for communication via IP-based networks (WAN / LAN) and - 6GK75431MX000XE0 TIM 1531 IRC Communications module for SIMATIC S7-1500, S7-400, S7-300 with SINAUT ST7, DNP3 and IEC 60870-5-101/104 with three RJ45 interfaces for communication via IP-based networks (WAN / LAN) and - 6GK75431MX000XE0](https://www.parmley-graham.co.uk/image/cache/data/products/P_KT01_XX_01285P-228x228-watma.png)
TIM 1531 IRC Communications module for SIMATIC S7-1500, S7-400, S7-300 with SINAUT ST7, DNP3 and IEC 60870-5-101/104 with three RJ45 interfaces for communication via IP-based networks (WAN / LAN) and - 6GK75431MX000XE0
![Many security vulnerabilities detected in Siemens hardware used in critical infrastructure industry - Industrial Cyber Many security vulnerabilities detected in Siemens hardware used in critical infrastructure industry - Industrial Cyber](https://industrialcyber.co/wp-content/uploads/2021/09/2021.09.15-Many-security-vulnerabilities-detected-in-Siemens-hardware-used-in-critical-infrastructure-industry.jpg)
Many security vulnerabilities detected in Siemens hardware used in critical infrastructure industry - Industrial Cyber
![TIM 1531 IRC module permits Sinaut ST7 solutions in the TIA Portal - Gleiwitzer Str. 555, 90475 Nürnberg, Germany - Siemens Industrial Communication TIM 1531 IRC module permits Sinaut ST7 solutions in the TIA Portal - Gleiwitzer Str. 555, 90475 Nürnberg, Germany - Siemens Industrial Communication](https://img.directindustry.com/images_di/projects/images-om/142197-17615182.jpg)
TIM 1531 IRC module permits Sinaut ST7 solutions in the TIA Portal - Gleiwitzer Str. 555, 90475 Nürnberg, Germany - Siemens Industrial Communication
![Siemens SIMATIC S7-1500 TIM 1531 IRC COMM, 4 I/O, side view | SIMATIC S7-1500 PLC COMM Modules - Layout Siemens SIMATIC S7-1500 TIM 1531 IRC COMM, 4 I/O, side view | SIMATIC S7-1500 PLC COMM Modules - Layout](https://symbols-electrical.getvecta.com/stencil_381/10_siemens-simatic-s7-1500-tim-1531-irc-comm-4-i-o.65f98749e9.jpg)