Keyence LJ-V7000 Series Manual do Utilizador descarregar pdf (Página 46)

46 LJ-V7000_COM_RM_E

 Request preparation before starting high-speed data communication

 Start high-speed data communication

 Stop high-speed data communication

 Finalize high-speed data communication

Format

LONG LJV7IF_PreStartHighSpeedDataCommunication (LONG lDeviceId,

LJV7IF_HIGH_SPEED_PRE_START_REQ* pReq, LJV7IF_PROFILE_INFO*

pProfileInfo);

Parameters

lDeviceId(in)

Specifies the communication device to communicate with.

pReq(in)

Specifies what data to send high-speed communication from.

pProfileInfo(out)

Stores the profile information.

Return value

0x8080: The operation mode is "advanced (with OUT measurement)"

0x8081: The data specified as the send start position does not exist

0x80A1: Already performing high-speed data communication

Explanation This function performs the preparation to start high-speed data communication.

Supported version 1.40

Format LONG LJV7IF_StartHighSpeedDataCommunication(LONG lDeviceId);

Parameters

lDeviceId(in)

Specifies the communication device to communicate with.

Return value

0x80A0: A high-speed data communication connection was not established

0x80A2: High-speed data communication was not prepared before starting

0x80A4: The send target data was cleared

Explanation

This function starts high-speed data communication.

If high-speed data communication does not operate correctly, see "9.2.9.9 High-

speed data communication troubleshooting".

Supported version 1.00

Format LONG LJV7IF_StopHighSpeedDataCommunication(LONG lDeviceId);

Parameters

lDeviceId(in)

Specifies the communication device to communicate with.

Return value No individual return code

Explanation This function stops high-speed data communication.

Supported version 1.00

Format LONG LJV7IF_HighSpeedDataCommunicationFinalize(LONG lDeviceId);

Parameters

lDeviceId(in)

Specifies the communication device to communicate with.

Return value No individual return code

Explanation This function finalizes high-speed data communication.

Supported version 1.00

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