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I need to interface ESD valve 24VDC, 10 W solenoid valve to my control room. The bottle-neck is distance, which comes to around 4 Kilometers. There are only 2 valves. Due to large distance, my cable size will go in to at least 35mm2. I tried to have a solution by a remote I/O, which can be powered by 230 Vac & Peer-Peer link with main ESD system. As per my ESD vendor (I don't want to disclose the name ) he requires at least 230Vac 10A power to operate his remote system, which is again ending up in large cable sizes.
Can anybody suggest a suitable method for this situation? My SIL requirement is SIL-2. Can any system specialist suggest me a solution?
Can anybody suggest a suitable method for this situation? My SIL requirement is SIL-2. Can any system specialist suggest me a solution?