BONFIGLIOLI EM-RES-02 Instructions d'exploitation télécharger pdf (Page 23)

22 08/06

4.9.2 Process SYNC telegram

If synchronous PDO’s have been created in an frequency inverter, their processin

synchronized with the SYNC telegram. The SYNC telegram is generated by the system

bus master and is a telegram without data.

The identifier is 128 according to the Predefined Connection Set.

If a PC or PLC is used as a master, the identifier of the SYNC tele

rams can be adapted

by parameterization on the frequency inverter. The identifier of the SYNC tele

ram

must be set identically in all subscribers on the system bus.

Attention! The identifier range 129 ... 191 may not be used as the emergency tele-

grams can be found there.

The setting of the identifier of the SYNC telegram is done via the parameter

SYNC-

Identifier

918.

Parameter Setting

No. Description Min. Max. Factory setting

918 SYNC-Identifier 0 2047 0

he settin

"0” results in identifier assi

nment accordin

to the Predefined Connection

Set.

The data of the Rx-PDO’s are forwarded to the application after the arrival of the SYNC

telegram. At the same time, the Tx-PDO’s with the currently available data from the

application are sent.

SYNC

RxPDO's RxPDO'sTxPDO's TxPDO's

Zeit

This method enables pre-occupancy of set points in the system bus subscribers and a

synchronous / parallel take-over of the data.

1 2 ... 18 19 20 21 22 23 24 25 26 27 28 ... 66 67

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BONFIGLIOLI EM-RES-02 Instructions d'exploitation Page 23