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Hello.
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In this video we are going to learn plc communication connection ports all models excepted DVPSS2
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SS2 series supports left expansion models communication with different communication protocols
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such as Canopen Ethernet Devicenet can be provided with the left supported modules, Left supported
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modules or left expansion modules means we can put our special modules to right side plc like this
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but to left side of the plc special modules can be connected to left side modules then we can say
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left expansion modules then we can put here canopen ethernet , devinet modules and etc. so without
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or accept SS2 series another plcs can support left expansion modules and mini usb ports
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are all available for program upload and download an online monitoring in this table you can see for
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SS2 Plc model Com1 and Com2 RS232-485 communication
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that just two port is supported by SS2 series models for SE for example com1 is not supported
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but RS485 communication via com2 and rs485 communication via com3 and ethernet communication
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and mini usb communication is supported for example you are connecting to your plc via point
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to point I mean RS232 communication cable we are here but you have SE plc model.
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So what will happen.
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Need IFD converter it is converter from RS232 to RS485 communication so 
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rs485
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Communication is under the plc just to cable can connect to RS485 two wire cabling and two wire communication
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so you can see the cable models in here completely.
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So from RS232 communication you can put HMI, you can put your Pc. Also but via RS485
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port you can put your PC. and also for communication that is RS485
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you need to connect with your slaves for example in the project so you will connect to complete slaves
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to your RS485 and you will put your cable or programming cable to your plc via RS232 communication
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port so this is the communication connection ports for the plcs.
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This table shows us as this.
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This table is a guide for us and also you need to know these cables can be useful for the communications
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you can see them all in here it's starting from a UC and M.S. and continue so I am finished for this
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video see you in the next video.