Absolute encoders - bus interfaces Blind hollow shaft ø10 to ø14 mm Optical multiturn encoders max. 17 bit ST / 16 bit MT, EtherCAT ATD 2B A 4 Y26 Features –– Encoder single- or multiturn / EtherCAT –– Optical sensing –– Resolution: max. singleturn 17 bit, multiturn 16 bit –– Blind hollow shaft ø10...14 mm –– Short cycle times up to 62.5 µs –– Parametrizable by bus interface –– Self-diagnostic –– Electronic zero point adjustment Technical data - mechanical design Voltage supply Size (flange) ø58 mm Reverse polarity protection Yes 10...30 VDC Shaft type ø10...14 mm (blind hollow shaft) Consumption w/o load ≤150 mA (24 VDC) Protection DIN EN 60529 IP 65 Interface EtherCAT Operating speed Function Multiturn ≤8000 rpm (mechanical) ≤8000 rpm (electric) Profile conformity CANopen® over EtherCAT Starting torque ≤0.02 Nm (+20 °C) Operating mode Full-Duplex Fast Ethernet physics (100 BASE-TX) Materials Housing: aluminium Shaft: stainless steel Steps per turn ≤131072 / 17 bit Operating temperature -20...+85 °C Number of turns ≤65536 / 16 bit Relative humidity 90 % non-condensing Sensing method Optical Resistance Code sequence CW: ascending values with clockwise sense of rotation; looking at mounting surface DIN EN 60068-2-6 Vibration 10 g, 55-2000 Hz DIN EN 60068-2-27 Shock 30 g, 11 ms Programmable parameters Steps per revolution Total resolution Rotational direction CW/CCW Number of revolutions Operating modes Weight approx. 340 g Connection Connector M12, female D-coded, 4-pin Connector M12, A-coded, 4-pin Motor shaft tolerance 0.25 mm axial 0.1 mm radial Mounting kit 019 Diagnostic functions Position or parameter error Temperature control Multiturn sensing Self-diagnosis Status indicator 4-LED integrated in housing 1 www.baumer.com/motion 7/10/2013 Technical data - electrical ratings Subject to modification in technic and design. Errors and omissions excepted. ATD 2B A 4 Y26 with blind hollow shaft Absolute encoders - bus interfaces Blind hollow shaft ø10 to ø14 mm Optical multiturn encoders max. 17 bit ST / 16 bit MT, EtherCAT ATD 2B A 4 Y26 Part number ATD 2B A 4 Y26 EC M12 S IP65 019 Mounting kit 019 Mounting accessory kit 019 Protection IP65 IP 65 Blind hollow shaft 10 ø10 mm 12 ø12 mm 14 ø14 mm Operating temperature S -20...+85 °C Connection M12 3 x connector M12 Interface EC EtherCAT Subject to modification in technic and design. Errors and omissions excepted. Resolution 14/16 bit single-/multiturn 17/12 bit single-/multiturn 2 www.baumer.com/motion 7/10/2013 14/16 17/12 Absolute encoders - bus interfaces Blind hollow shaft ø10 to ø14 mm Optical multiturn encoders max. 17 bit ST / 16 bit MT, EtherCAT ATD 2B A 4 Y26 Terminal significance Terminal assignment Bus-protocolEtherCAT,CoE (CANopenoverEtherCAT) Connector Assignment Significance OperationmodeFull-DuplexFastEthernetphysics (100BASE-TX) Pin1 Transmissiondata+ Pin2RxD+ Receivingdata+ Pin3 CommunicationModi: -Asynchron -Framesynchron -DistributedClocksynchron Cycletimes: - min 62,5 μs to max. 32 ms in DistributedClock TxD- Pin4RxD- TransmissiondataReceivingdata- 2 1 3 4 Communication profile compatible to CANopen according to DS 301 Socket,4-poles,bushcontacts,M12D-coded(IN/OUT) according to DS 406 Diagnostic messages position error, operating temperature overrun,battery,hardwareerror Connector Assignment Significance Pin1VDC Supplyvoltage Pin2– Notassigned Pin3GND Ground Pin4– Notassigned 4 3 1 2 Subject to modification in technic and design. Errors and omissions excepted. Socket,4-poles,pincontacts,M12A-coded(POWER) 3 www.baumer.com/motion 7/10/2013 Device profile TxD+ Absolute encoders - bus interfaces Blind hollow shaft ø10 to ø14 mm Optical multiturn encoders max. 17 bit ST / 16 bit MT, EtherCAT ATD 2B A 4 Y26 Dimensions EtherCAT ~61.5 mounting kit 019 (standard) IN connector type 10, 4-pin - pin contacts M12 A-coded POWER connector type 10, 4-pin - bush contacts M12 D-coded OUT flexible torque support ø58 41 d H7 53 connector type 10, 4-pin - bush contacts M12 D-coded Ø7 ~48 6 3.5 ° 15 9.5 30 120° Subject to modification in technic and design. Errors and omissions excepted. 028- 5 Y26 4 www.baumer.com/motion 7/10/2013 Link/Activity ERROR OUT (red) (yellow) lens screw (DIN7985) - M3 TX10 max. tightening torque 1.4 Nm RUN Link/Activity (green) IN (yellow)