Industrial
Electronic Devices
ADFweb.com S.r.l.
User Manual
Modbus Master / MQTT
Document code: MN67933_ENG Revision 1.101 Page 23 of 45
Figure 3d: “Set Communication
Working Mode”
window
Figure 3b: “Set Communication
Select Device”
window
Figure 3c: “Set Communication
Ethernet
Connection” window
S
ELECT
D
EVICE
:
This section is used to select the type of converter in use:
Only Ethernet Cable: hardware with LAN only;
Ethernet Cable + Wi-Fi: hardware with LAN and Wi-Fi;
Ethernet Cable + Mobile connection: hardware with LAN and mobile module;
E
THERNET
C
ONNECTION
:
This section is used to define the general parameters of Ethernet communication.
The means of the fields are:
In the field “
Device Name (Hostname)
” the Hostname to assign to the
converter is defined;
If the field “
Obtain an IP Address Automatically (DHCP for Cable
Connection)
” is checked, DHCP for LAN connection is enabled;
If the field “
Obtain an IP Address Automatically (DHCP for Wi-Fi
Connection)
” is checked, DHCP for Wi-Fi connection is enabled;
If the field “
Enable DNS
” is checked, DNS protocol is enabled;
In the field “
Primary DNS
” the IP Address of the primary DNS server is
defined;
In the field “
Secondary DNS
” the IP Address of the secondary DNS server is
defined.
W
ORKING
M
ODE
:
This section is used to define the working mode of MQTT side of the converter. It is
possible to define:
Synchronous
: it is possible to read/write the Modbus slaves device
instantaneously, using a specific MQTT payload.
Asynchronous
: Modbus and MQTT are decoupled. The converter manages
by itself the Modbus polling.
