This is not to promote a given product - I have not used this equipment. Acromag makes a din mount module that takes 24 VDC for power and you can communicate with it with ethernet, modbus RTU, or other medium/protocol. Just find one your PLC supports. The RTU unit can be found at...
wolf2003
1. Stating the obvious, stream flow is the rate of material leaving the drum (plus blowdown). To maintain drum level you need to replace that with feedwater. At steady state and 3 element control all one needs to do is match steam flow with feedwater flow and you are done. This is the...
