dear sir ,
we 3 atlascopco screw compressor .
we need to connect them to gether for auto changing in shuting down of each of them. how we can do it and with kind of wiring we can do it?
and another question , one of our plcs has damaged but we have not spare part, its s/n:3100518088-p/n:1900071031.can we instead this plc with lower plc wit s/n:06070200104-p/n:1900070125?
ATLASCOPCO
MODEL NO:GA250
TYPE: SCREW COMP.
REGARDS