Levanteri
Member
Hello.
I've just started to program with Step7 and I'm already facing some problems.
I have in my use CPU314 IFM, CP340 and CP343-2P.
I'd like to know how to use analog inputs and outputs.
I need to do a temperature control/airconditioning, like let's say from +16c to +35c, so that I can set the desired temperature from the operating panel and then the PLC makes the aircon work as wanted, either cooling or heating the room.
Also I want the current temperature be shown in HMI(tp170a).
I have a TP170A, which in my undestanding doesn't have any kind of built-in scaling tools, so I would need to do the scaling in the PLC-software?
Forgive me my noobness, but I've just started and this is really important. Hope you can explain this to me quite simplifiedly.
I've just started to program with Step7 and I'm already facing some problems.
I have in my use CPU314 IFM, CP340 and CP343-2P.
I'd like to know how to use analog inputs and outputs.
I need to do a temperature control/airconditioning, like let's say from +16c to +35c, so that I can set the desired temperature from the operating panel and then the PLC makes the aircon work as wanted, either cooling or heating the room.
Also I want the current temperature be shown in HMI(tp170a).
I have a TP170A, which in my undestanding doesn't have any kind of built-in scaling tools, so I would need to do the scaling in the PLC-software?
Forgive me my noobness, but I've just started and this is really important. Hope you can explain this to me quite simplifiedly.
