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AS Interface - Design
12 AS INTERFACE - DESIGN
12.1 Denition
AS interface connection
ASinterface(ActuatorSensorInterface)isaeldbussystemwhichisusedprimarilyfornetworkingbinary
sensorsandactuators(slaves)withahigher-levelcontrol(master).
Connecting the control heads to higher bus systems is possible using commercially available
gateways. Contact your distribution partner in this regard.
Bus line
Unshieldedtwo-wireline(ASinterfacelineasASinterfacecableharness)alongwhichbothinformation(data)
andenergy(powersupplyfortheactuatorsandsensors)aretransmitted.
Network topology
Freely selectable within wide limits, i.e. star, tree and line networks are possible. Further details are described
intheASinterfacespecication(A/Bslavemodelcomplieswiththeversion3.0specication).
Consider the maximum total length of the bus cable - see chapter “12.4”onpage54.
ThecontrolheadshavebeenconguredasASinterfaceversionwithanextendedaddressrange(A/Bslaves)
for 62 slaves or optionally as an AS interface version for 31 slaves. For details, see chapter “12.9 Programming
data”.
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Control Head Type 8681