Using cb object, Using cb object -74 – KEYENCE CB-EP100 User Manual

Page 98

Advertising
background image

- EtherNet/IP Network Unit CB-EP100 User’s Manual (LJ-V7000 Edition) -

3-4 Message Communication

3-74

3

Communi

cat

in

g wit

h the

L

J

-V700

0 Ser

ies

The following describes how to perform message communication with a CB Object.

(1) Read setting values
(2) Write setting values
(3) Change programs
(4) Clear errors
(5) Input control data
(6) Request to reflect setting write area
(7) Update setting write area
(8) Initialize program settings
(9) Confirm profile data
(10)Set date and time
(11)Acquire date and time
(12)Initializes all settings

(1) Reading setting values from a measuring instrument

Message communication reads setting values from a measuring instrument connected
to the CB-EP100.
Service code 0EH is used.
The following settings are required to use this object.

• Service Code

• Class ID

• Instance ID

• Attribute ID

• Commands

• Responses (when successful)

Using CB Object

Item

Description

Data Example

Service Code

Designates "Parameter read (0EH)" (fixed value).

0EH

Class ID

Designates CB Object(6BH) (fixed value).

6BH

Instance ID

Designates the ID number.

01H

Attribute ID

Designates the attribute ID to be read from "Attribute".

991H(2449)

Service Data

There is no service data.

-

Item

Description

Data Example

General status

A status (00H) is returned that indicates normal
completion of message communication.

00H

Service response data

The settings of the read parameter are returned.

00000000H

Advertising