Echelon DM-21 Device Manager - Manual (Page 76)

6-2 Device Manager Commands, Reports, and Events
Device Manager Functional Blocks
The Device Manager contains three functional blocks that can be dropped onto a
LonMaker for Windows Integration tool network drawing: the Node object, the
Device Manager, and the Event Log. The network variables on these functional
blocks are connected and configured as described below.
Node Object (LM Object Index 0)
FTP_FilePosition
FTP_FileRequest
Node_Request
Node_SetTime FTP_FileStatus
Node_Alarm
Node_Status
Node Object
Figure 6.1 – Node Object Functional Block
The Device Manager contains a Node Object functional block (see Figure 6.1)
with the network variables described in table 6.1.
Table 6.1 – Node Object Network Variables
NV
Name SNVT
ID Comments
FTP_FileRequest 73
FTP_FileRequest
, along with
FTP_FileStatus
and
FTP_FilePosition
are
used to implement interoperable file transfer.
Refer to the L
ON M ARK Interoperable File
Transfer Guidelines for details.
Node_Alarm 88 Standard L ON M ARK alarm used to report
under-range and over-range conditions.
FTP_FilePosition 90
FTP_FilePosition
, along with
FTP_FileStatus
and
FTP_FileRequest
are
used to implement interoperable file transfer.
Refer to the L
ON M ARK Interoperable File
Transfer Guidelines for details.