beautypg.com

KEYENCE DL-EP1 User Manual

Page 76

background image

- EtherNet/IP Compatible Network Unit DL-EP1 User’s Manual (FD-MH) -

3-4 Message Communication

3-48

3

C

om
m

uni

ca

tin

g

w

ith FD

-M

H

Se
ries

(5) Reading the number of decimal places in the parameter from a

sensor amplifier

Message communication reads the number of decimal places in the parameter from

the sensor amplifier connected to the DL-EP1.

Service code 4DH is used.
The following settings are required to use this object.

• Service Code
• Class ID
• Instance ID
• Attribute ID

• Commands

• Responses (when successful)

• Responses (when unsuccessful)

For details on the attribute ID, settings, general status, and additional status of each
parameter, refer to

"DL Object (Class ID:67H)" (Page 3-31) and

"Attributes"

(Page 3-33).

Item

Description

Data Example

Service Code

Designates parameter read (fixed value).

4DH

Class ID

Designates DL Object (67H)(fixed value).

67H

Instance ID

Designates the ID number.

01H

Attribute ID

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

0325H

(805)

Service Data

There is no service data.

-

Item

Description

Data Example

General status

Message communication has ended normally.

00H

Service response data

The read decimal point position is returned.

04H

Item

Description

Data Example

General status

A general status for the service is returned

14H

Additional status

An additional status is returned.

-

Service response data

There is no service response data.

-