ProSoft Technology MVI56E-DNPNET User Manual

Page 98

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Contents

MVI56E-DNPNET ♦ ControlLogix Platform

User Manual

DNPNET Ethernet Client/Server Communication Module

Page 98 of 140

ProSoft Technology, Inc.

February 13, 2015

3

Start Index of First

Command

This field contains the index in the command list for the first

value in the file. This field will have a value of 0 to

(MaxCommands-1).

4 to 203

Command List

Errors

Each word of this area contains the last error value recorded

for the command. The command index of the first value (offset

4) is specified in word 3 of the block. The number of valid

command errors in the block is set in word 2 of the block.

Refer to the command error list to interpret the error codes

reported.

204 to 248

Spare

Not Used

249

Block ID

This field contains the value of 9950 identifying the block type

to the PLC.


Block 9958: Binary Input Event With Calendar Time
Block identification code 9958 sends a set of binary input events with calendar time to the

module. The following table lists the block format of Binary Input Event Request sent to the

module from the ControlLogix processor.

Word Offset
in Block

Data Field(s)

Description

0

Block ID

This field contains the value of 9958 identifying the event block

to the module.

1

Event Count

This field contains the number of events contained in the

block. Valid values for this field are 1 to 24.

2

Sequence

Counter

This field is used to hold the sequence counter for each 9958

block transfer. This is used to synchronize and confirm receipt

of the block by the module.

(Begin Event #1)

3

Point_Number

Data point in the DNPNET binary input database represented

by the event.

4

Class_ Override

Regardless of the Class defined for the given point number,

this will be the Class of the event. (1, 2, or 3)

5

Value

Value of the point, 0 or 1, of bit 0 of this 16-bit word. All other

bits are ignored.

6

Year

Year of the event timestamp

7

Month

Month of the event timestamp

8

Day

Day of the event timestamp

9

Hour

Hour of the event timestamp

10

Minute

Minute of the event timestamp

11

Seconds

Seconds of the event timestamp

12

Milliseconds

Milliseconds of the event timestamp

(Next 23 Events)

13 to 22

Ten words of data for Event #2.

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