Fig 9. Connection to functioning in UDP serial bridge mode, one-to-many in WLAN network
3.2.5. CONNECTION OF THE WIRELESS SERIAL SERVER TO FUNCTIONING IN MODBUS
GATEWAY MODE
Figure below shows correct connection of ADA-14040 to wireless network Wi-Fi (WLAN) to operating in
Industrial Automation Mode
(
MODBUS Gateway
). This type of connection allows to integrate MODBUS-TCP devices and MODBUS-RTU/ASCII devices in one
network.
Fig 10. Integration MODBUS-TCP with MODBUS-RTU/ASCII in one network by the use ADA-14040 with MODBUS Gateway
10
ADA-14040
RS485 bus
RS485 bus
RS485
Urządzenie
z interfejsem
RS232
MASTER
device
ADA-14040
static IP address
Wireless network (802.11b/g), connection Ad-Hoc type between ADA-14040
serial servers
Functioning in UDP serial bridge mode
R
S
48
5
in
te
rf
ac
e
de
vi
ce
s
R
S
48
5
in
te
rf
ac
e
de
vi
ce
s
ADA-14040
static IP address
RS485 bus
MODBUS-RTU/ASCII
ROUTER Wi-Fi / ETHERNET
ADA-14040
MODBUS Gateway
ADA-14040
MODBUS Gateway
RS485
MODBUS-RTU/ASCII
PLC
MASTER
MODBUS-TCP
MODBUS-TCP
LAN ETHERNET
LAN \ WLAN
Created by the use of
ROUTER
PC with SCADA/HMI
software
