1 Embedded RS-232/485/422 Controller
RS-232/485/422 Communication Controller
Addressable RS-232/485/422 Converter
RS-232/485/422 Device Server
RS-232/485/422 Communication Controller 6
RS-232 / 485 / 422 Communication Controller
Plug & Play utility
5 Application Softwore
Network interface
2 4 Softwore driver
RS-232 devices
1 RS-485 devices
RS-485 devices
1
RS-422 devices
CPU
HOST COMPUTER
3
1 RS-232 devices
RAM / ROM firmware
RS-422 devices
RS-232 / 485 / 422 Communication Controller
Network interface
2
3
RAM / ROM firmware
1 RS-232 devices
RS-232 devices
1 RS-485 devices
RS-485 devices
1
RS-422 devices
CPU
RS-422 devices
2
The comparison table of these 3 types of communication controller is given as follows:
1 RS-232/485/422 interface 2: network interface 3: RAM/ROM firmware
4: software driver 5: application software 6: Plug&Play Utility Easy Using Flexibility
Embedded Addressable RS-232/485/422 RS-232/485/422 RS-232/485/422 Device Controller Controller Server RS-232 or Same same RS-485 or RS-422 same same RS-485 or Ethernet 10M or Ethernet 10/100M or Other network User must write his special Well-design firmware & Well-design firmware & application program Source codes are open for Source codes are open for user’s modification to fit his reference. It is very difficult to modify for special requirement. user’s special requirement. DLLs DLLs DLLs User must write his special User’s old application User’s old application application program program must be modified program can work to fit the protocol defined without modification by (3) firmware. No need No need MS-COMM standard Low High
Middle Middle
Most Most
3
8000 Family 841X/881X + 8112/8114/8142/8144 8410/8810
L1
L2
L3
UP
DOWN
MODE
POWER
SET
+VS Input : +10V~+30VDC
RS-232/485/422 device
GND
INT* Inltlallze INIT*COM
DATA+ RS-485 DATA-
HOST COMPUTER
RS-232/485/422 device 8410 / 8810
L1
L2
L3
UP
DOWN
MODE
POWER
SET
+VS Input : +10V~+30VDC
RS-232/485/422 device
GND
INT* Inltlallze INIT*COM
DATA+ RS-485 DATA-
RS-232/485/422 device
4
843X/883X/844X/884X + 8112/8114/8142/8144 8X3X/8X4X
RS-232/485/422 device
HOST COMPUTER
HUB 1 2 3 4 5 6 7 8
RS-232/485/422 device 8X3X/8X4X
RS-232/485/422 device
To Ethernet Router
RS-232/485/422 device
5
7521 family
HOST COMPUTER
7521/7522/7523 family
RS-232/485 devices
7522A/7524/7527 family
RS-232/485/422 devices
6
RS-232 device
HOST COMPUTER
7522
RS-232/485 device
RS-485 To Host-PC RS-232 device
RS-485 To Host-PC
7522
RS-232/485 device
7
RS-232/485 device
HOST COMPUTER
7522A RS-422/485 device
RS-485 To Host-PC
RS-232/485 device
RS-485 To Host-PC
7522A RS-422/485 device
8
RS-232 device RS-232/485 device
RS-232 device HOST COMPUTER
RS-232/485 device
7523 RS-485 To Host-PC
RS-232 device
RS-232 device
HOST COMPUTER
7524
RS-232 device
RS-485 To Host-PC
RS-232/485 device
RS-232 device
RS-485 To Host-PC
RS-232/485 device
7523
RS-232 device
RS-232 device
RS-485 To Host-PC
7524
RS-232 device RS-232 device
RS-232 device RS-232 device RS-232 device
HOST COMPUTER
7527 RS-485 To Host-PC
RS-232 device RS-232 device RS-232 device RS-232 device RS-232 device RS-232 device
RS-485 To Host-PC
7527
RS-232 device RS-232 device RS-232 device RS-232 device
RS-232 device
9
7188E1 family
HOST COMPUTER
HUB
Ethernet 10M
1 2 3 4 5 6 7 8
7188E1 family
RS-232/485/422 devices
7188E1 family
RS-232/485/422 devices
Ethernet 10M
To Ethernet Router
10
Ethernet 10M
7188E1
HOST COMPUTER
HUB 1 2 3 4 5 6 7 8
RS-232 device Ethernet 10M
To Ethernet Router
7188E1
RS-232 device
11
Ethernet 10M
7188E2
HOST COMPUTER
HUB 1 2 3 4 5 6 7 8
RS-232 device Ethernet 10M
To Ethernet router
RS-485 device
RS-485 device
7188E2
RS-232 device
12
Ethernet 10M
7188E3
HOST COMPUTER
HUB
RS-422 device
1 2 3 4 5 6 7 8
RS-232 device Ethernet 10M
To Ethernet Router
RS-485 device
RS-485 device
7188E3 RS-422 device
RS-232 device
13
Typical Applications N-port RS-232 to Ethernet Router
To Ethernet Router HOST COMPUTER
HUB 1 2 3 4 5 6 7 8
4 * 8 = 32 Modem 1
RS-232
4 * 8 = 32 Modem 32
Modem 1
7188E5
RS-232 device
4 device RS-232
RS-232
Modem 32
7188E8
7 device
RS-232 device
RS-232
Modem 1
Modem 1