Siemens CP 243-2 Operations Instructions download pdf (Page 42)

42

Pushbuttons and LEDS

SIGNUM 3SB3 control devices with AS-

Interface have full communications ca-

pability. They can be connected to the

AS-Interface networking system via the

integrated AS-Interface module 4E/4A

with minimum wiring. The illuminated

command pushbuttons are powered via

the AS-Interface cable. Individual con-

nection of control devices is possible

with a special AS-Interface slave with

separate auxiliary supply, making it pos-

sible to connect up to 28 NO contacts

and 7 signal outputs to each device.

The SIGNUM 3SB4 is a human machine

interface with a complete operator com-

munication system with AS-Interface

connection.

Proximity switches with an

integrated AS-Interface

BERO proximity switches can be con-

nected to the AS-Interface directly or via

modules. Special inductive, optical and

ultrasonic BERO proximity switches

suitable for direct connection to the ac-

tuator sensor interface are also available.

They feature an integrated AS-Interface

chip and can supply information (e.g. fill-

ing level, coil failure) in addition to that

supplied via the switching output. These

intelligent BEROs can be parameterised

via the AS-Interface cable.

Compact starter

Our AS-Interface compact starter is a

fully internally pre-wired load feeder

with degree of protection IP65, de-

signed to switch and protect any three-

phase current loads up to 5.5 kW

at 400/500 V AC – usually three-phase

current standard motors in direct or

reversing operation. It includes either

an Electro-mechanical switchgear as-

sembly or an electronic overload pro-

tection and circuit-

breaker unit (max. 2.2

kW). The AS-Interface

compact starter can

also be addressed when

fully wired.

In addition, the compact

starter is equipped with

two free inputs. This al-

lows you to connect an

optical proximity switch,

for example, which pro-

vides a signal, and local

control facility.

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