EMERSON CE4003S2B3 is a controller produced by Emerson.The following is a detailed introduction to the controller:

1.Basic properties

Brand:EMERSON

Model:CE4003S2B3

Origin:China(imported and domestic versions may be available)

Number of points:512 points or more(large)

Installation method:backplane type

Structural form:integral type

2.Technical specifications

Electrical characteristics:Logic”1″is represented by a voltage difference of+(2-6)V between the two lines,and logic”0″is represented by a voltage difference of-(2-6)V between the two lines.

Interface signal level:lower than RS-232C,not easy to damage the chip of the interface circuit,and compatible with TTL level,can be easily connected to TTL circuit.

Data transmission rate:10Mbps.

RS-485 interface:adopts a combination of balanced driver and differential receiver,and has enhanced common mode interference resistance,that is,good anti-interference performance.The standard value of the transmission distance is 4000 feet(about 1219 meters),and it can actually reach 3000 meters.Up to 128 transceivers are allowed to be connected on the bus,with multi-station capability,and users can use it to establish a device network.

3.Communication and connection

Communication standard:The controller supports two communication standards,RS485 and RS232C.The computer has a standard RS232C interface,and the PLC(programmable logic controller)has a standard RS485 interface.The two are connected through cables and RS485/RS232C conversion modules.

Communication between the host and the slave:The information management and operation of the host computer are under the Windows2000/NT operating system,and the serial communication program can be developed using rapid development tools.The PPI communication protocol is a communication protocol developed specifically for the S7-200 series PLC.It physically uses the RS485 signal level,and the PLC is in this mode by default.

4.Application and function

Application field:The controller is widely used in industrial automation,process control,monitoring and management systems.

Functional features:It has powerful control functions and supports a variety of control algorithms and logical operations.At the same time,it has the ability to collect,process and store data,which can realize remote monitoring and management of industrial equipment.

 

 

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