Record data communication, What is record data communication, Basic format and flow of record data communication – KEYENCE DL-PN1 User Manual

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- PROFINET Communication Unit DL-PN1 User's Manual (GT) -

Record Data Communication



What is record data communication?

Record data communication is a function that performs communication by issuing
commands when desired. It is used for applications which do not require the punctuality
of data I/O communication, such as reading and writing I/O device settings.



Basic Format and Flow of Record Data Communication

Record data communication uses function block, which blocks circuits being used in a
program. For Siemens SIMATEC Manager / TIA Portal, use SFB52"RD REC" and
SFB53"WR REC".

(1) Record data
communication command

(3) Record data
communication response

I/O controller

Sensor amplifier

Send

Receive

Send

(2) Interpret and
execute command

DL-PN1

SFB52"RD REC"
Reads data.

SFB53"WR REC"
Writes data.

Parameter name

Description

Enables.

EN0

Shows that EN is enabled.

REQ

Enables when making a request.

Enters the DL-PN1 or sensor amplifier ID number.

INDEX

Enters the Access Address Index number.

MLEN

Set to 4.

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