RS-232485422 Communication Controller

Well-design firmware & Source codes are open for reference.. It is very difficult to modify for requirement.. 4: software driver 5: application software User must write his special appli

Network

CPU

1 RS-232 devices 2

RS-485 1

RS-232

RS-485 devices

2

interface Network

RS-232 1 CPU

devices 1

devices devices

driver

Softwore

Softwore

Application

5

4

Plug & Play 6 utility

HOST COMPUTER

RS-232 / 485 / 422 Communication Controller

RS-232 / 485 / 422 Communication Controller

RAM / ROM firmware 1 RS-422devices

RAM / ROM firmware 1 RS-422devices

RS-232/485/422 Controller

Addressable RS-232/485/422 Converter

RS-232/485/422 Device

Server

RS-232/485/422 Communication Controller

RS-232/485/422 Communication

Controller

Embedded RS-232/485/422 Controller

Addressable RS-232/485/422 Controller

RS-232/485/422 Device

Server

1 RS-232/485/422 interface RS-232 orRS-485 or

RS-422

2: network interface RS-485 orEthernet 10M or

Ethernet 10/100M or Other network

3: RAM/ROM firmware

User must write his special application program

Well-design firmware &

Source codes are open for user’s modification to fit his special requirement

Well-design firmware &

Source codes are open for reference It is very difficult to modify for

requirement

4: software driver

5: application software

User must write his special application program

program must be modified

to fit the protocol defined

by (3) firmware

User’s old application

without modification

6: Plug&Play

The comparison table of these 3 types of communication controller is given as follows:

8000 Family

841X/881X + 8112/8114/8142/8144

5

3 4 2

HUB

8X3X/8X4X

RS-232/485/422 device

HOST COMPUTER

To Ethernet Router

RS-232/485/422 device

RS-232/485/422 device

RS-232/485/422 device

843X/883X/844X/884X + 8112/8114/8142/8144

RS-232/485 devices

HOST COMPUTER

RS-232/485/422 devices

7522A/7524/7527 family

family 7521/7522/7523

7521 family

RS-232/485 device

HOST COMPUTER

7522

7522 RS-232/485

device

RS-485 To Host-PC

RS-485 To Host-PC

RS-232 device

device RS-232

RS-422/485 device 7522A

RS-232/485 device

RS-232/485 device

RS-422/485 device

HOST COMPUTER

RS-485 To Host-PC

RS-485 To Host-PC

RS-232/485 device

HOST COMPUTER

7523

7523 RS-232/485device

RS-485 To Host-PC

RS-485 To Host-PC

RS-232 device

RS-232 device

RS-232 device

device RS-232

HOST COMPUTER

RS-485 To Host-PC

RS-485 To Host-PC

7524

7524

RS-232/485 device

RS-232/485 device

RS-232 device RS-232 device

device RS-232

device RS-232

RS-232 device

RS-232 device

7527

7527

device RS-232

device RS-232

RS-232 device device RS-232

device

RS-232 device

RS-232 device

RS-232 device RS-232

device RS-232 device RS-232

device device device RS-232 RS-232

RS-232 device RS-232

HOST COMPUTER

RS-485 To Host-PC

RS-485 To Host-PC

7188E1 family

5

3 4 2

1 6 7 8

HUB

RS-232/485/422 devices HOST COMPUTER

To Ethernet Router

family 7188E1

devices family

Ethernet 10M

Ethernet 10M

HOST COMPUTER

5

3 4 2

1 6 7 8

HUB

To Ethernet Router

7188E1

7188E1

Ethernet 10M Ethernet 10M

device

RS-232 device

RS-232

HOST COMPUTER

5

3 4 2

1 6 7 8

HUB

7188E2

7188E2

Ethernet 10M

Ethernet 10M

RS-232 device

To Ethernet router

RS-232 device

RS-485 device

device RS-485

HOST COMPUTER

5

3 4 2

1 6 7 8

HUB

7188E3

7188E3

Ethernet 10M

Ethernet 10M

RS-232 device

To Ethernet Router

RS-232 device

RS-485 device

device RS-485

device RS-422 device RS-422

N-port RS-232 to Ethernet Router

5

3 4 2

1 6 7 8

HUB

Modem 32 Modem 1

HOST COMPUTER

4 * 8 = 32

Modem 1

4 * 8 = 32

RS-232

device

Modem 1

device RS-232

4 device RS-232

7 device RS-232

To Ethernet Router