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Data transfer

Configuration of the parameter data channel (PCP communication)

Feldbus-Baugruppe 2113 INTERBUS

7.6

7.6.8

7.6-49

EDSIBS-1.0-06/2003

7.6.8.2 Initialisation of PCP communication

CRL entries

CRL (Communication Reference List) entries are required to ensure

communication between the INTERBUS master and the fieldbus module.

The following entries are to be set in the INTERBUS-master CRL:

Field name Entr y

Communication reference (CR) 2

Connection type Acyclic master/slave

Connection attribute Defined

Max PDU sending high prio 0

Max PDU sending low prio 64

Max PDU receiving high prio 0

Max PDU receiving low prio 64

Supported service request 80 30 00

hex

Supported Services Response 00 00 00

hex

Maximum SCC 1

Maximum RCC 1

Maximum SAC 1

Maximum RAC 1

7.6.8.3 Available PCP services

In the following, you will find all the parameters and their contents which are

returned by Lenze controllers. All other transmission parameters of the stated

PCP services can be obtained from the corresponding INTERBUS master

description.

Parameters are transmitted via the PCP channel (PCP = Peripherials

Communication Protocol). This is carried out via PCP services.

The following PCP services are supported by Lenze controllers:

l Initiate: Build up connection between INTERBUS master and controller

(¶ 7.6-50)

Abort: Disconnect (¶ 7.6-50)

Read: Read parameters (¶ 7.6-50)

Write: Write parameters (¶ 7.6-50)

Get-OV: Read object directory (OV) (¶ 7.6-51)

Identify: Identification of controller (¶ 7.6-51)

Status: Read controller status (¶ 7.6-52)

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