JoelAspinall
Member
Hi All,
I'm just looking to hear some different idea's on how I could approach this problem with Logix5000.
I have a vessel with a level transmitter and level controller(PIDE Block) on it. The vessel has an inlet ontop, and an outlet on the bottom, the level control valve is on the outlet line.
With my level controller i'm looking to keep level at x setpoint while dumping out of the bottom. This is all working fine, HOWEVER, this is the part i'm a little confused with. I have a flow transmitter right before the level control valve, what i'm essentially trying to do is while the level controller is dumping, i want to keep the flow rate out of the vessel within a range, i.e 10 to 100 units of flow.
What would be the best way to approach this issue of keeping the flow rate within a range of x to z while the level controller is modulating the level control valve in your opinion?
Many Thanks in advance to anyone who replies with some ideas
I'm just looking to hear some different idea's on how I could approach this problem with Logix5000.
I have a vessel with a level transmitter and level controller(PIDE Block) on it. The vessel has an inlet ontop, and an outlet on the bottom, the level control valve is on the outlet line.
With my level controller i'm looking to keep level at x setpoint while dumping out of the bottom. This is all working fine, HOWEVER, this is the part i'm a little confused with. I have a flow transmitter right before the level control valve, what i'm essentially trying to do is while the level controller is dumping, i want to keep the flow rate out of the vessel within a range, i.e 10 to 100 units of flow.
What would be the best way to approach this issue of keeping the flow rate within a range of x to z while the level controller is modulating the level control valve in your opinion?
Many Thanks in advance to anyone who replies with some ideas