There are many kinds of DCS card parts, take JX-300XP system as an example to illustrate. Its card parts are divided into: main control card, such as XP243X, which is mainly responsible for the operation of the control station system; data forwarding card, such as xp233. the bridge between the io card parts and the main control card.
All kinds of IO cards, such as XP363,xp362,xp316,xp313,xp322, etc. Mainly responsible for the input and output of various digital and analog quantities in the field.
Other functional cards, such as XP248 multi-serial multi-protocol communication card is responsible for communication with other intelligent devices (plc, inverter, etc.) XP221, XP000, mainly to play the role of occupancy (otherwise a slot in the cage will be empty without the card).
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