E3 200smart CPU
E3 200Smart CPU Standalone Edition, Simple function, integrated with one RJ45 network port, up to 5 links; Integrate an RS485 port; Do not support expansion modules, RTC clocks, and expansion DB boards.
E3 200Smart CPU Economy Edition,CPU SR20  Relay,12DI/8DO,1*RJ45,1*RS485,No extension support
                                    
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                                    E3 200Smart CPU Economy Edition,CPU SR30  Relay,18DI/12DO,1*RJ45,1*RS485,No extension support
                                    
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                                    E3 200Smart CPU Economy Edition,CPU SR40  Relay,24DI/16DO,1*RJ45,1*RS485,No extension support
                                    
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                                    E3 200Smart CPU Economy Edition,CPU SR60  Relay,36DI/24DO,1*RJ45,1*RS485,No extension support
                                    
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                                    E3 288-1SR20-XPA1,Standalone CPU SR20XP  Relay,12DI/8DO/4AI/3AO,1*RJ45,2*RS485, No extension support
                                    
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