Diagraph - an ITW Company PA/4600 & PA/6000 User Manual
System Modules Page 8
System Modules
Inlet Filter/Regulator/Shutoff P/N: 4600-705
2.3 Electrical SubSystem
MCA III P/N: 4600-300
The inlet air filtration provides an OSHA‐
approved shutoff, with lock‐out, and a
pressure regulator. It uses a 5 micron filter
element and automatically purges
condensationtrappedinthefilterbowl.The
regulator ensures that fluctuations in the
supplyairwillnotcausetheoperationofthe
cylinder,airassist,
orvacuumtochange.
TheMain Controller AssemblyIII is athird
generation of Diagraph‐designed micro‐
controller coupled with an interface board.
TheMicrocontrollerUnit(MCU)isdesigned
to execute real‐time applicator functions,
with accuracy down to a fraction of a
millisecond.Thisboardiseasilyremovedfor
replacement or testing. The Interface
Board
acts as an interconnection point for the
cabling. This board enables the MCU to be
verymodular,thusenablingasingle,simple
connection.TheMCAIII,asasystem,isfully
protected against short‐circuits, ESD, and
over‐voltages. This design gives superiority
overgeneric,polled‐inputPLC’s.
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