Specifications

AS-Interface
Network transitions
DP/AS-i LINK Advanced
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■ Benefits
• Short start-up times through simple configuration at the press
of a button and testing of the AS-Interface line using the dis-
play or web interface
• Reduction of standstill and servicing times in the event of a
slave failure thanks to user-friendly diagnostics using the dis-
play or web interface and through simple module exchange
with the help of the C-PLUG exchange medium
• Reduced amount of engineering work thanks to user-friendly
configuration of Siemens slaves using the slave catalog in
HW-Config (STEP 7)
• Costs saved by the double AS-Interface master when large
volumes of project data are involved
• Saves the need for AS-i power pack with AS-i Power24V:
The AS-Interface cable assembly is fed through an existing
24 V DC PELV power pack. For decoupling an AS-i data de-
coupling module is required, see power supply units and data
decoupling modules.
• Standard mode with AS-Interface power supply (see power
supply units and data decoupling modules) possible without
restrictions, whereby no further operating voltage is required
■ Application
The DP/AS-i LINK Advanced is a PROFIBUS DP-V1 slave
(according to EN 50170) and an AS-Interface master (based on
AS-Interface Specification V3.0 according to IEC 62026-2).
It enables transparent data access to AS-Interface from
PROFIBUS DP.
Exchanging data with the PROFIBUS DP master
PROFIBUS DP masters (DP-V0) can exchange I/O data with
AS-Interface in cyclic mode. PROFIBUS DP masters with acyclic
services (DP-V1) are able in addition to initiate AS-Interface
master calls (e. g. reading/writing the AS-i configuration during
normal operation). As such, the DP/AS-i LINK Advanced is par-
ticularly well suited for a decentral construction and for connec-
tion of a lower-level AS-Interface network.
Single masters
For applications with typical volumes of project data it is
sufficient to use the DP/AS-i LINK Advanced in its version as an
AS-Interface single master. The single master can operate up to
248 DI/248 DO, using 62 A/B slaves with 4 DI/4 DO each.
Double masters
For applications with large volumes of project data the
DP/AS-i LINK Advanced in its version as an AS-Interface double
master is used. In this case, twice the volume of project data can
be used on two AS-Interface lines running independently of
each other. The double master can operate up to 496 DI/496 DO,
using 2 AS-i networks with 62 A/B slaves each with 4DI/4DO
each.
Integration of AS-Interface on PROFIBUS through DP/AS-i LINK Advanced as single/double master
When DP/AS-i LINK Advanced is used
as double master
Safety
monitor
PG, e.g.
with CP 5621
S7-300
e.g. with CP 342-5
PC with
SOFTNET-DP
Safe slave with
EMERGENCY
STOP
S7-400
with CP 443-5 Extended
6,0$7,&+0,
Power
supply
Power
supply
Safety
monitor
SlaveSafe
slave with
EMERGENCY
STOP
Laser
scanner
5$
IXVHOHVV
FRPSDFW
VWDUWHU
PROFIBUS
AS-InterfaceAS-Interface
ET 200S
ET 200pro
DP/AS-i
LINK
Advanced
IK10_40018
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