Product manual

10.1.4 Expansion card -SERCOS-

This section describes the SERCOS expansion card for SERVOSTAR 300. Information

on the range of functions and the software protocol can be found in our manual “IDN

Reference Guide SERCOS”.

10.1.4.1 Front view

10.1.4.2 LEDs

Indicates whether SERCOS telegrams are being correctly received. In the final

Communication Phase 4 this LED should flicker, since cyclical telegrams are being

received.

Indicates that SERCOS telegrams are being transmitted. In the final Communica

tion Phase 4 this LED should flicker, since cyclical telegrams are being transmit

ted.

Check the station addresses for the controls and the servo amplifier if:

- the LED never lights up in SERCOS Phase 1 or

- the axis cannot be operated, although the RT LED is lighting up cyclically.

ERR

Indicates that SERCOS communication is faulty or suffering from interference.

If this LED is very bright, then communication is suffering strong interference, or is

non-existent. Check the SERCOS transmission speed for the controls and the

servo amplifier (BAUD RATE) and the fiber-optic connection.

If this LED fades or flickers, this indicates a low level of interference for SERCOS

communication, or the optical transmitting power is not correctly matched to the

length of cable. Check the transmitting power of the (physically) previous

SERCOS station. The transmitting power of the servo amplifier can be adjusted in

the setup software DRIVEGUI.EXE on the SERCOS screen page, by altering the

length parameter for the cable length.

10.1.4.3 Connection technology

For the fiber optic cable connection, only use SERCOS components to the SERCOS

Standard IEC 61491.

Receive data

The fiber optic cable carrying receive data for the drive in the ring structure is connected

to X13 with an F-SMA connector.

Transmit data

Connect the fiber optic cable for the data output to X14 by F-SMA connector.

90 SERVOSTAR

300 Product Manual

Expansions and Accessories 09/2006 Kollmorgen