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3-4 Message Communication

3-55

Communicating with IB Series

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

• 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 3-32) and "Attributes"

(Page 3-34).

(3) Issuing operation commands to a sensor amplifier

Message communication issues operation commands such as error clear to the

sensor amplifier connected to the DL-EP1.

Service code 4BH is used.

The following settings are required to use this object.

• Service Code

• Class ID

• Instance ID

• Attribute ID

Before executing the operation command, check that the sensor amplifier

can execute the operation command. For details on the check method,

refer to "IB Series User's Manual". Also, check that the executed operation

command ends normally.

• Attribute IDs supported by the instance service 4BH (operation command)

The contents of processing performed by the instance service 4BH (operation

command) depend on the attribute ID to be selected.

The table below details the attribute IDs that can be selected.

Item Description Data Example

General status

A general status for the service is returned

0EH

Additional status An additional status is returned.

Service response data There is no service response data.

Attribute

Name Description

0301H

(769)

Zero shift request

Executes zero shift.

Turning off the sensor amplifier after executing zero shift

restores the state before the zero shift function is used. If

the shift state is retained even after the sensor amplifier is

turned off, set the saving zero shift value function to ON.

0302H

(770)

Zero shift reset request

Resets the zero shift value.

0303H

(771)

Resets request

Executes reset

0304H

(772)

Error clear request

Clears the ref. light quantity registration error [ErG] and

adjust error [ErAdJ].

Point

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