Structure of the arp message, Attribute 11, "arppdu") ( 127), 14 implemented cip™ objects – Lenze E84Dxxxx User Manual

Page 127

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Lenze · Decentralised frequency inverter 8400 protec (EtherNet/IP™ option) · Communication Manual · DMS 3.0 EN · 07/2014 · TD17

127

14

Implemented CIP™ objects

14.2

EtherNet/IP objects

_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _

Structure of the ARP message (attribute 11, "ArpPdu")

Supported service codes

Field size

[Bytes]

Field name

Value

2

Hardware Address Type

1: Ethernet H/W

2

Protocol Address Type

0x0800: IP

1

HADDR LEN

6: Ethernet H/W

1

PADDR LEN

4: IP

2

OPERATION

1: Request

2: Response

6

SENDER HADDR

H/W address of the sender

4

SENDER PADDR

Protocol address of the sender

6

TARGET HADDR

H/W address of the target

4

TARGET PADDR

Protocol address of the target

Service code

[hex]

Name

Description

0x01

Get_Attributes_All

Outputs a list of the attributes and the attribute's values for

a certain object.

0x0E

Get_Attribute_Single

Outputs the value of a certain attribute.

0x10

Set_Attribute_Single

Changes the value of a certain attribute.

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