Bosch Rexroth IndraDrive MPH-02 Functional Description page 89

Firmware for drive controllers

Table of Contents

MPH-02, MPB-02, MPD-02

DOK-INDRV*-MP*-02VRS**-FK01-EN-P

controller 3

Fig. 4-19: Connecting the fiber optic cables (example)

The fiber optic cable ring starts and ends at the SERCOS master (control

The optical output of the master is connected with the optical input of the

first drive (X21). The output of this drive (X20) is connected with the input

of the next drive etc.

The output of the last drive is connected with the optical input of the

Setting the Drive Address

The drive address is set in the P-0-4025, Drive address of master

communication parameter (instead of using the address selector switch

as so far). A drive address set or changed in this parameter is only

activated at the next change of communication phase from "0" to "1".

The drive address is independent of the order of drive connections via the

fiber optic cables.

Setting the Transmission Length (Transmitting Power) of

the SERCOS interface

The length of the fiber optic cable connected to X20 (TX) is entered in the

P-0-4027, Transmission length SERCOS interface parameter.

Depending on the entered fiber optic cable length the required optical

transmitting power of the light source is automatically set. The controller

classifies the entered length in one of four ranges.

Master Communication

controller 2

controller 1

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