Beckhoff M1110 Bedienungsanleitung PDF herunterladen (Seite 3)

M1110 Parallel Input / Output Box Beckhoff II/O-System

Date 09.03.93 Version 2.1 Page 3 of 17

1. Function Description Hardware

M1110

About the Hardware

The parallel module M1110 is an input / output module used in the II/O system. There are 16

Standard 24 V inputs / outputs, which achieve 2 ports of 8 bit each.

These 2 ports ( D0,D1 ) correspond to the Data bytes in the FO transmissions protocol and

according to the way they are used, they can be configured as input or output.

Each input / output has a LED, that indicates the current state. In addition there are three

diagnosis LEDs for the II/O fibre optic ring:

LD1 The green ’CYCLE’ LED is switched on by each start bit of a telegram and is switched off

again by the stop bit.

LD2 The red ’ERROR’ LED is switched on after recognising a bad telegram (checksum, frame).

After a sequence of three correct telegrams (checksum, frame) were processed it is switched off

again.

LD3 The green LED ’WATCHDOG’ is switched on by a valid writing telegram with matching

address. If in a 100 ms afterwards no further telegram, which has the properties defined above, is

recognised a special unit of the module switches off all outputs.

The cartridge is according to IP65 protection norm designed as a compact, splash-proof and

dust proof box.

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Beckhoff M1110 Bedienungsanleitung Seite 3