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AS2702

austriamicrosystems AG
Part Number AS2702
Manufacturer austriamicrosystems AG
Description AS-Interface Slave IC
Published Mar 24, 2005
Detailed Description $6 6$3 $6,QWHUIDFH 6ODYH ,& 'DWD 6KHHW 5HY & -DQXDU\  AS-Interface Slave IC AS2702 (SAP4.1) .H\ )HDWXU...
Datasheet PDF File AS2702 PDF File

AS2702
AS2702

Overview
$6 6$3 $6,QWHUIDFH 6ODYH ,& 'DWD 6KHHW 5HY & -DQXDU\  AS-Interface Slave IC AS2702 (SAP4.
1) .
H\ )HDWXUHV • • • • • • • • • • • • • • • • Interface Device to connect Actuators and Sensors to an AS-Interface Bus Conforms to AS-Interface Spec.
V2.
11 DC Power Extraction from the AS-Interface Bus Serial bidir.
Data Communication with the Bus Data Communication Watchdog 4-Bit bidir.
Data Port plus Strobe to poll the Sensors and control the Actuators connected 4-Bit Parameter Port plus Strobe to provide Settings to the Sensors and Actuators 24V Power Supply for the Sensors and Actuators Periphery Fault Input to signal Hardware Failure of the Sensors and Actuators Integrated 16 x 8 Bit EEPROM to store (5 + 1)-Bit Slave Address and Settings 2 LED Outputs to optically flag Slave Unit Operation Status Operating Temperature Ta: - 25 °C … + 85 °C Operating Supply Voltage / Bus DC Voltage: typ.
30 V Operating Current (Osc.
on, Outputs idle): ≤ 6 mA Supply for Sensors / Actuators: typ.
24 V, ≤ 50 mA Package: SOIC 20 for full Functionality; SOIC 16 for Applications not requiring the Parameter Port *HQHUDO 'HVFULSWLRQ AS2702 (SAP4.
1) is a new generation AS-interface slave device conforming to AS-interfacespecification V2.
11, which supports AS-interface bus systems with up to 62 slave modules.
Each slave module is equipped with an AS2702 device, which interfaces the module to the unshielded 2-wire AS-interface bus for serial bidirectional data communication and power extraction.
Data communication over the AS-interface bus takes place in master slave fashion, which foresees that all slave devices AS2702 connected to the bus are sequentially and cyclicly addressed by a single, central master unit.
Data on the AS-interface bus are Manchester encoded and can be found as sin2-pulses with a Vpp of between 3V and 8V on top of the bus’ dc voltage of nominally 30V.
AS2702 regulates the nominal dc bus voltage of 30V internally down to 5V to supply it’s internal circuitry in...


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