Siemens SIMATIC Distributed I/O System DP/ASi Link Manual de Serviço descarregar pdf (Página 55)

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SIMATIC NET AS-Interface – Introduction and Basic Information

C79000-G8976-C089/03

Glossary

APF

AS-i Power Fail. Flag or LED display that indicates that the power supply on the

AS-i cable is too low or has failed (for example failure of the AS-i power supply

unit).

AS-i (AS-Interface)

Actuator-sensor interface. A network system for the lowest field area of the

automation range. It is suitable for networking sensors and actuators with control

devices. (previously: SINEC S1)

AS-i A/B slave

AS-i A/B slaves use the extended addressing mode. Pairs of A/B slaves can be

assigned to one address on the AS-Interface; by organizing addresses in this

way, up to 62 AS-i A/B slaves can be attached to the AS-Interface.

AS-i analog slave

AS-i analog slaves are special AS-i standard slaves that exchange analog values

with the AS-i master.

AS-i library

Library whose functions allow the user program to communicate with the AS-i

driver.

AS-i master

The AS-i master is used to monitor and control the simplest binary actuators and

sensors via AS-i modules or AS-i slaves.

A distinction is made between a standard AS-i master and an extended AS-i

master.

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Siemens SIMATIC Distributed I/O System DP/ASi Link Manual de Serviço Página 55