ADF Web HD67626-A1, Руководство пользователя

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User Manual S7comm / SNMP Agent
Document code: MN67626_ENG Revision 1.000 Page 21 of 27
The data of the columns in the
“SNMP Write” 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);
In the field “ Position ” the starting byte of the internal memory array where mapping 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 “ Conversion ” it is possible to select the data conversion to apply to the data;
In the field “ Mnemonic ” a brief description of the OID is defined.
Note:
If the fields “On Change” and “On Timer” are disabled, the OID is readable using standard GET command. If one of these fields is
enabled, the OID is sent as Trap and it is readable by GET command too.
Note:
The field “Description” must start with lowercase letter and it cannot contain special chars (just letters and numbers). All the
“Description” fields must be different between them.
SNMP MIB:
By pressing the “ SNMP MIB ” button it is possible to save the MIB file for the SNMP Manager.
Figure 5b: “Set SNMP Access -> SNMP Write” window Figure 5b: “Set SNMP Access -> SNMP Write” window