Manuel De L'utilisateur Siemens Électronique Automobile 3Ra62 [50/58 Pages]

Siemens électronique automobile 3RA62

For Operation in the Control Cabinet

SIRIUS 3RA6 Compact Starters

Add-on modules for AS-Interface

6/50

SIRIUS Innovations Supplement 2011

■

Overview

Various AS-i add-on modules are available for communication of

the 3RA6 compact starter with the control system using

AS-Interface:

• Standard version

• With two local inputs

• With two free external inputs

• With one free external input and one free external output

• With two free external outputs

• For local control

The AS-i add-on modules can be combined only in connection

with compact starters with a rated control supply voltage of

24 V AC/DC.

AS-i add-on module for communications controlling

With this new module it is also possible for the connected com-

pact starter to be operated directly using simple switches, i.e.

without recourse to AS-i Communication, if required.

"Automatic" mode

NC contacts can be connected to the inputs Y2 and Y4 through

the local terminals on the AS-i add-on module. If the "+" connec-

tions are connected simultaneously to both local inputs, the

AS-i add-on module will be in "Automatic" mode, i.e. it will

communicate with the control system through AS-Interface.

Local control

Opening the two inputs Y2 and Y4 will result in the direct

disconnection of the compact starter. Operation through AS-i

Communication is ended and the compact starter can now be

switched on and off directly using NO contacts (one NO contact

per direction of rotation on the reversing starter).

"LED AUX Power" must light up green, the 24 V DC supply must

be connected and the AS-i control supply voltage must no lon-

ger be applied.

Resetting to "Automatic" mode

Simultaneous application of a "1" signal at the local inputs. The

availability bit DI 0 is switched to a "1" signal.

If AS-i Communication is reset, the motor is first switched off and

then on again when requested by the control system.

Circuit diagram example for operating a 3RA61 20 direct-on-line starter

using an AS-i add-on module for on-site controller

Circuit diagram example for operating a 3RA62 50 reversing starter using

an AS-i add-on module for on-site controller

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