Siemens EN 50295 manual Configuration examples, Operating modes, Process or field communication

	AS-Interface
	Introduction
	Configuration examples
■Function
Operating modes	AS-Interface slaves (according to analog profile 7.3 or 7.4) is just
In general, the master interfaces distinguish between the follow-	as easy as with digital slaves.
ing operating modes:	Command interface
I/O data transfer	In addition to the I/O data exchange with binary and analog AS-
The inputs and outputs of the binary AS-Interface slaves are	Interface slaves, the AS-Interface masters offer a range of addi-
	tional functions through the command interface.
read and written in this operating mode.
	This means that, from user programs, slave addresses can be
Analog value transmission
	assigned, parameter values can be transferred and diagnostic
The AS-Interface masters according to the Complete	information can be read out.
AS-Interface Specification V2.1 support integrated analog value
processing. This means that data exchange with analog
■Design
Process or field communication	In practice this means: The installation runs without problems
AS-Interface is used wherever individual actuators and sensors	because data and power are transported through a single com-
	mon cable. No specialist know-how is required for installation
are physically distributed throughout the machine (e.g. in a bot-
	and startup. In addition, the simple installation and clear struc-
tling plant or on a production line).
	turing of the wiring and special cable design not only consider-
AS-Interface replaces complicated wiring harnesses and con-
	ably reduce the risk of faults but also reduce service and main-
nects binary and analog actuators and sensors, such as proxim-
	tenance costs.
ity switches, valves or indicator lights, to a controller (e.g. SI-
MATIC) or PC.

Connection via AS-Interface cable
		AS-Interface
AS-Interface cable		power section
AS-Interface
power section
AS-Interface distributor	Repeater	max 100
(without AS-Interface chip)		m
LOGO!		AS-Interface distributor
		(without AS-Interface chip)
Operator panel

Branch M12	SONAR BERO
	with int. AS-Interface

K60

K45

(with AS-Interface chip)

for connection of standard sensors

Compact starter IP 65

Standard sensor e.g. inductive BERO

Standard encoders e.g. position switches

Example of a system configuration

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G_IK10_XX_20027

Siemens IK PI · 2004

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