BECKHOFF C1120 User Manual

Page 22

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C1120 S5 to II/O-Lightbus Interface

Beckhoff II/O-Lightbus System

Page 22 of 52

Version 2.1

Date 27.06.97

Online Menu

For transfer of setups from a PC to the C1120 interface and back, the online menu helps to
control communication actions, saving and printing of project setups:

If a communication timeout occurs during or at start of a transfer, first action to be taken
should be to check the RS232 interface cable and the serial interface parameters in the menu
"Program Parameters".

Function keys:

HELP

displays help text.

RESET C1120

Generates a software reset of the C1120 interface. The interface boots and runs
through following steps:

self test of the C1120 interface,

the configuration saved in the EEPROM memory is loaded and activated,

the II/O-Lightbus ring is reset.

The status of the C1120 is displayed after completion of the reset in the status
line. This function can be activated only while the PLC is in STOP mode.