Campbell RF410 Manuel d'instructions télécharger pdf (Page 46)

PakBus Networking Guide

then the CR205 becomes a neighbor to the datalogger which it then advertises

to network routers including LoggerNet.

A P190 addressed device doesn’t have to be a neighbor to the datalogger. The

route to the address specified in P190 can be through a neighbor router.

If a default router is configured in *D15, the datalogger will send the packet to

that node rather than assuming that the P190 Parameter 2 address is a neighbor.

A failed P190 will retry 4 times at intervals equal to the response time indicated

by the hop metric. When it fails, and if the remote is a neighbor, it will treat the

neighbor as if the CVI has expired, which will in turn trigger 4 hello attempts to

try to reestablish the device as a neighbor. If this fails, the neighbor is removed

and subsequent P190 instructions will use the ‘static’ route specified in the

P190 Parameter 2 Address.

6.1.2 P192 – PakBus Message

Purpose:

To send a clock report, reset a routing table, or say ‘goodbye’ to a datalogger

in a PakBus network.

This instruction does not work with the CR205.

Example:

2: PakBus - Send Message (P192)

1: 00 Local DL Port

2: 0000 Remote PakBus Address

3: 00 Message Type

Parameter 3 Codes:

2 Clock Report - sends the current time to the remote device. A P195 in

the remote datalogger will set the datalogger’s clock using the time

received.

12 Reset Routing Tables - resets addressed device’s routing table

13 Goodbye - removes the sending datalogger from addressed device’s

neighbor list (and therefore all links to the sending datalogger).

6.1.3 P193 – Wireless Network Master (Host)

Purpose:

Prepares local datalogger to send and receive Input Location data from a

number of wireless sensors (CR200 series or non-CRBasic dataloggers running

P196) in a PakBus network. P193 assigns a time slot to each remote and the

actual data transfers are initiated by the wireless sensors. This is the lower

average current drain scheme since the CR200 series datalogger need only be

active when it transmits in its time slot and can sleep the rest of the time.

1 2 ... 41 42 43 44 45 46 47 48 49 50 51 ... 123 124

Pas de commentaire

Campbell RF410 Manuel d'instructions Page 46