Description of the formal parameters

Name

Type

Data type

Description

REQ_DB

IN

BLOCK_DB

DB of the ibaPDA communication interface ibaREQ_DB

ID

IN

INT

Connection ID of the connection configured in NetPro

HW_LADDR

IN

WORD

Module starting address of the CP

ERROR_STATUS

OUT

WORD

Internal error code

ERROR_SEND

OUT

WORD

Error code of the send block AG_LSEND

COUNT_SEND

OUT

WORD

Telegram counter of the send block

LOST_SAMPLES

OUT

WORD

Counter for lost measurement values

The following SFCs are used internally:

  • FB145 (ibaREQ_UDPact)

  • FC 50 (AG_LSEND)

  • UDT 145 (ibaUDT_UDPact)

Detailed description

REQ_DB

The DB is used for data exchange with ibaPDA. For all related Request blocks, configure the identical DB.

ID

Unique reference to the connection to be established. Has to match the ID used in NetPro.

HW_LADDR

Module starting address of the used CP. Has to match the LADDR used in NetPro.

ERROR_STATUS

Internal error of the block. If there is no error, the value 0 is output.

ERROR_SEND

Error code when sending. The standard error codes of the AG_SEND block are issued.

The following error codes can be displayed:

0X8yyy error code of AG_LSEND block will be passed

COUNT_SEND

Counter for the sent telegrams. Usually, the counter is incremented continuously.

LOST_SAMPLES

The counter is incremented with every call of the block if no new UDP telegram can be sent to ibaPDA, as the previous send order has not been finished, yet. A continuously rising value indicates a shortage in the communication performance.