I'm still not fully connecting the dots so please bear with me. Let's try a different example: A float switch with four floats. The top one is tagged LSHH because it is used as a hardware cutoff should the vessel get too full. The remaining ones are LIH, LIL, and LILL. On the P&ID I understand...
Hi xnuke,
Tagging each valve is a bit problematic. One stack we are using is http://www.festo.com/cat/en_us/products_VI10_10 CPV10. It has 8 slots that each hold 2 3-way valves for a total of 16 control points. It is possible to trade out the contents of a slot but in practice the stack is...
Hi Folks, two questions:
1. We have several cases where a single physical block of valves, with a single common DeviceNet interface, are connected to multiple loops. What is the recommended way to identify (TAG) the stack?
2. Similar to question 1 we have I/O blocks that connect to multiple...
