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Common services, Message structure for execute pccc – Comtrol UP DeviceMaster User Guide User Manual

Page 55

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DeviceMaster UP Modbus/TCP User Guide: 2000447 Rev. I

Chapter 2. Programming Interface - 55

PCCC Object (67 Hex)

2.3.6.7.4. Common Services

2.3.6.7.5. Message Structure for Execute PCCC

Service Code

Implemented in Class

Implemented in Instance

Service Name

4B Hex

No

Yes

Execute_PCCC

Request Message Name

Data Type

Description

Length

USINT

Length of requestor ID

Vendor

UINT

Vendor number of requestor

Serial Number

UDINT

ASA serial number of requestor

CMD

USINT

Command byte

STS USINT

0

TNSW

UINT

Transport word

FNC

USINT

Function code

PCCC_params

Array of USINT

CMD/FMC specific parameters

Response

Message Name

Data Type

Description

Length

USINT

Length of requestor ID

Vendor

UINT

Vendor number of requestor

Serial Number

UDINT

ASA serial number of requestor

CMD

USINT

Command byte

STS USINT

Status

byte

TNSW

UINT

Transport word - Same value as request.

EXT_STS

USINT

Extended status (if error)

PCCC_params

Array of USINT

CMD/FMC specific result data

Supported PCCC

Command Types

FNC

Description

0F Hex

67 Hex

PLC-5 typed write

0F Hex

68 Hex

PLC-5 typed read

0F Hex

A2 Hex

SLC 500 protected typed read with 3 address fields

0F Hex

AA Hex

SLC 500 protected typed write with 3 address fields