Campbell CR800 Spécifications télécharger pdf (Page 311)

Section 14. PakBus Networking

14-27

Network Address

RF4xx Network Address. In a PakBus network all

RF4xxs must have the same network address.

Node

Another term for a PakBus device. A station with

PakBus datalogger can be referred to as a PakBus

Device or a node. An RF401 series stand-alone router is

also a node.

Packet

A frame, typically 1000 bytes or less, containing a

header and data. Packets transfer information between

LoggerNet and PakBus dataloggers or between

dataloggers, often via routers.

PakBus Address

Unique 4-digit integer assigned to a PakBus device in a

PakBus network (1 – 4094).

PakBus Device

A device that can receive and create PakBus packets

(BMP5). It is synonymous with “node.” A station

(with PakBus datalogger) can be referred to as a

PakBus Device or a node.

PakBusGraph

LoggerNet client that graphically depicts PakBus

devices in the network and allows viewing and editing

of such things as routing table, port settings and

neighbors allowed.

PakCtrl

Network level PakBus communications protocol. Low-

level PakCtrl packets perform discovery and routing

functions such as doing hello-exchanges and passing

around neighbor lists.

PBA

Abbreviation for PakBus Address.

Port

Com port. One of a datalogger’s or peripheral’s

interfaces: SDC, CSDC, Modem Enabled, RS-232,

C1/C2, C3/C4, C5/C6 or C7/C8.

Potential

Neighbors

Potential neighbors are also referred to as “neighbors

allowed.” PakBus addresses listed in a device’s

neighbor filter which the device ‘hellos’ and attempts to

establish as neighbors. Responses are only sent to

messages from devices on the neighbors allowed list

with the exception of devices with PBA ≥ 4000.

Potential Neighbor

List

A list of devices (PakBus addresses) installed in a

neighbor filter to which the datalogger will try to

become a neighbor. Unlisted devices are excluded from

becoming a neighbor unless that device’s PakBus

address is ≥ 4000 (normally LoggerNet). Potential

neighbors are also referred to as “neighbors allowed.”

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Campbell CR800 Spécifications Page 311

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