Industrial
Electronic Devices
ADFweb.com S.r.l.
User Manual
SNMP Agent / MQTT
Document code: MN67954_ENG Revision 1.000 Page 23 of 31
SET SNMP ACCESS:
By pressing the “
Set SNMP Access
” button from the main window for SW67954 (Fig. 2) the “Set SNMP Access” window appears (Fig. 5). In
this section, it is possible to create the OIDs for SNMP side to read or write using GET and SET commands or to be sent as TRAP messages.
The window is divided into two tables, one for SNMP readings and one for SNMP writings.
The data of the columns in the “SNMP
Read” have the following meanings:
If
the
field
“
Enable
”
is
checked, the SNMP OID is
enabled;
In the field “
Community
Name
” the name of the
Community is defined;
In the field “
Type
” the type of
data of the OID is defined
(Octet String or Integer);
If the field “
On Change
” is checked, the OID is sent as Trap when the data from MQTT side change;
If the field “
On CMD
” is checked, the OID is sent as Trap when the a MQTT message is received;
If the field “
On Timer
” is checked, the OID is sent as Trap cyclically;
In the field “
Time (ms)
” the delay time for the Trap send is defined (if “On Timer” option is checked);
In the field “
Position
” the starting byte of the internal memory array where taking the data is defined;
In the field “
Start Bit
” the starting bit of the selected Position is defined;
In the field “
Num Bits/Bytes
” the dimension of the OID is defined. For ‘Int’ type the dimension is in bit, for ‘String’ type the
dimension is in bytes;
In the field “
Description
” the description/name of the OID is defined;
In the field “
IP Address
” the IP Address of the SNMP device where addressing the Trap message is defined. This field is used only
when ‘On Change’ or ‘On Timer’ option is checked;
In the field “
Conversion
” it is possible to select the data conversion to apply to the data (Float to Int);
In the field “
Mnemonic
” a brief description of the OID is defined.
Figure 5a: “Set SNMP Access -> SNMP Read” window
