Node object functional block, Network variables, Network – Echelon MPR-50 Multi-Port Router User Manual

Page 32: Variables

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Node Object Functional Block

Network Variables

The Node Object implements the following network variables.

Note: The programmatic Network Variable name appears first. The LonMaker Node

Object's Network Variable shape name is located under it, in parentheses.

Network Variable

Type

Description

nviRequest

(Request)

SNVT_request

Standard L

ON

M

ARK

status request

variable. Used by network
management tools to request current
status of the Monitor. See the
L

ON

M

ARK

Application Layer

Interoperability Guidelines for details
on how to use this variable.

nvoStatus

(Status)

SNVT_status

Standard L

ON

M

ARK

status response

variable. Used by network
management tools to read the current
status of the Monitor. See the
L

ON

M

ARK

Application Layer

Interoperability Guidelines for details
on how to use this variable.

nvoFileDirectory

(File Directory)

SNVT_address

Contains the memory address for the
file directory containing descriptors for
configuration files. Used by network
management tools to read and write
the L

ON

M

ARK

configuration files and for

reading the error log. See the
L

ON

M

ARK

Application Layer

Interoperability Guidelines and the
section Error Log later in this chapter
for details on how to use this variable.

nvoHealthy

(Healthy)

SNVT_switch

If the state field of this variable is
True, there are no reportable errors
on any of the five routers. If the state
field is False, one or more errors have
been logged. The Monitor Status LED
reflects the state of this variable.

nvoErrorMap

(Error Map)

SNVT_state

If an error has been logged for a
particular channel, the corresponding
bit in this variable is set. The
corresponding Router Status LED will
also reflect the state of the bit, if an
error has been logged for that router
and attached channel.

24

MPR-50 Monitor

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