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Pccc object – Rockwell Automation 22-COMM-D DeviceNet Adapter User Manual

Page 122

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C-14

DeviceNet Objects

Message Structure for Execute_PCCC

Message Structure for Execute_Local_PCCC

PCCC Object

(Continued)

Request

Response

Name

Data
Type

Description

Name

Data
Type

Description

Length

USINT

Length of
requestor ID

Length

USINT

Length of requestor ID

Vendor

UINT

Vendor number
of requestor

Vendor

UINT

Vendor number of requestor

Serial
Number

UDINT

ASA serial
number of
requestor

Serial
Number

UDINT

ASA serial number of
requestor

Other

Product
Specific

Identifier of user,
task, etc. on the
requestor

Other

Product
Specific

Identifier of user, task, etc.
on the requestor

CMD

USINT

Command byte

CMD

USINT

Command byte

STS

USINT

0

STS

USINT

Status byte

TNSW

UINT

Transport word

TNSW

UINT

Transport word. Same value
as the request.

FNC

USINT

Function code.
Not used for all
CMD’s.

EXT_STS USINT

Extended status. Not used
for all CMD’s.

PCCC_
params

ARRAY
of
USINT

CMD/FNC
specific
parameters

PCCC_
results

ARRAY
of
USINT

CMD/FNC specific result
data

Request

Response

Name

Data
Type

Description

Name

Data
Type

Description

CMD

USINT

Command byte

CMD

USINT

Command byte

STS

USINT

0

STS

USINT

Status byte

TNSW

UINT

Transport word

TNSW

UINT

Transport word. Same value
as the request.

FNC

USINT

Function code.
Not used for all
CMD’s.

EXT_STS USINT

Extended status. Not used
for all CMD’s.

PCCC_
params

ARRAY
of
USINT

CMD/FNC
specific
parameters

PCCC_
results

ARRAY
of
USINT

CMD/FNC specific result
data