Honeywell HPM, Сервисная инструкция

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5 UCN Exerciser
5.3 Request Data Response (RDR) Test
392 HPM High-Performance Process Manager Service R688
Honeywell December 2020
5.3 Request Data Response (RDR) Test
Introduction
In the Request Data Response test, as illustrated in the following figure, the Test Master, a Network
Interface Module (NIM), attempts to communicate on a point-to-point basis with every UCN node
configured to participate in the test. A node can be ALIVE, BUT NOT TOKEN PASSING and still
participate in this test using its "shadow address," numbered 65-128. This check is to determine with
which participants in the test the Master can communicate.
Figure 191 RDR Test Configuration
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NIM
HPM
HPM
HPM
HPM
UCN
NIM com m unicates point-to-point
wi th each configured U CN node
RDR protocol
The communications protocol used for this part of the test is RDR protocol. All nodes that are powered
on and/or are capable of receiving and transmitting messages, should respond to the RDR from the test
Master. A node that does not respond is assumed to be not on the network and is not requested to
participate in the triangulation part of the test. A node that does respond but whose status indicates that it
is not capable of token passing will also not be requested to participate in the triangulation part of the
test.