Schneider-optics Web Embedded Server Manual do Utilizador descarregar pdf (Página 45)

The MSTR Instruction

840 USE 115 00 Version 1.0

3.2.9 Peer Cop Health MSTR Operation

The peer cop health operation

(

pe 9 in the displa

ed re

ister of the top node

)

reads selected data from the peer cop communications health table and loads that

data to specified 4

isters in state RAM. The peer cop communications health

table is12 words lon

, and the words are indexed via this MSTR operation as words

0 ... 11.

Control Block

Utilization

The re

isters in the MSTR

control block

(

the top node

)

contain the information for a

Peer Cop Health operation as described in the followin

table:

Peer Cop

Communications

Health Status

Information

The peer cop communications health table

(

shown below

)

comprises 12

conti

uous re

ister that can be indexed in an MSTR operation as words 0 ... 11.

Each bit in each of the table words is used to represent an aspect of

communications health relative to a specific node on the TCP/IP network:

The bits in words 0 ... 3 represent the health of the

lobal input communication

expected from nodes 1 ... 64. Since

lobal input is not supported these bits are

set to zero.

The bits in words 4 ... 7 represent the health of the output from a specific node.

The bits in words 8 ... 11 represent the health of the input to a specific node.

Displayed Operation Type 9

First implied Error status Displays a hex value indicatin

an MSTR error,

when relevant.

Second implied Data Size Number of words requested from peer cop table

(ran

e 1 ... 12).

Third implied Index First word from the table to be read (ran

e 0 ...

11, where 0 = the first word in the peer cop table

and 11 = the last word in the table).

Fourth implied Low byte Quantum backplane slot address of the NOE

module.

Fifth ... Ei

hth

implied

Destination Each re

ister contains one byte of the 32-bit IP

address.

1 2 ... 40 41 42 43 44 45 46 47 48 49 50 ... 104 105

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Schneider-optics Web Embedded Server Manual do Utilizador Página 45

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