Incremental encoders Through hollow shaft ø40 to ø65 mm 1000…2500 pulses per revolution ITD 70 A 4 Y 7 Features –– Encoder with through hollow shaft max. ø65 mm –– Max. 2500 pulses per revolution –– Optical sensing method –– Mounting by torque support –– Mounting hole circle ø164 mm –– TTL or HTL output signals –– Cable output radial Optional –– Cable with connector Technical data - electrical ratings Technical data - mechanical design Voltage supply Size (flange) ø150 mm Shaft type ø40...65 mm (through hollow shaft) Motor shaft tolerance 0.5 mm axial 0.1 mm radial Mounting kit 051 Protection DIN EN 60529 IP 54 Operating speed ≤4000 rpm Housing: aluminium, black, powder-coated Shaft: stainless steel 5 VDC ±5 % 8...30 VDC Reverse polarity protection Yes ≤100 mA Pulses per revolution 1000...2500 Reference signal Zero pulse, width 90° Sensing method Optical Output frequency ≤120 kHz Output signals A, B, N + inverted Materials Output stages TTL linedriver (short-circuit proof) HTL push-pull (short-circuit proof) Operating temperature -20...+70 °C Relative humidity 90 % non-condensing Interference immunity DIN EN 61000-6-2 Resistance Emitted interference DIN EN 61000-6-3 DIN EN 60068-2-6 Vibration 10 g, 55-2000 Hz DIN EN 60068-2-27 Shock 100 g, 11 ms Connection Cable 1 m Weight approx. 2900 g 1 www.baumer.com/motion 5/11/2014 · Consumption w/o load · Subject to modification in technic and design. Errors and omissions excepted. ITD 70 A 4 Y 7 with through hollow shaft Incremental encoders Through hollow shaft ø40 to ø65 mm 1000…2500 pulses per revolution ITD 70 A 4 Y 7 Part number ITD 70 A 4 Y 7 KR1 S IP54 051 Mounting kit 051 Mounting kit 051 Protection IP54 IP 54 40 45 50 55 60 65 Through hollow shaft ø40 mm ø45 mm ø50 mm ø55 mm ø60 mm ø65 mm Operating temperature S -20...+70 °C Connection KR1 Cable 1 m, radial · Subject to modification in technic and design. Errors and omissions excepted. Output signals BI A, A inv, B, B inv NI A, A inv, B, B inv, 0, 0 inv Voltage supply / signals T 5 VDC / TTL level, linedriver H 8...30 VDC / HTL level, push-pull R 8...30 VDC / TTL level, linedriver Pulse number - see table Pulse number 2048 2500 · 1024 2 www.baumer.com/motion 5/11/2014 1000 Incremental encoders Through hollow shaft ø40 to ø65 mm 1000…2500 pulses per revolution ITD 70 A 4 Y 7 Output signals Terminal assignment Clockwise rotation when looking at the mounting side. Core colour Assignment green Track A brown Track A inv. Track A grey Track B black Track B inv. Track A pink Track N white Track N inv. red UB blue GND yellow UB-Sense violet GND-Sense transparent Shield/Housing BI-Output signals Track B 90° Track B NI-Output signals Outputs Linedriver Output level High ≥2.4 V Track A Output level Low ≤0.5 V Load ≤70 mA Track B Outputs Push-pull short-circuit proof Output level High ≥UB -3 V Output level Low ≤1.5 V Load ≤70 mA Track A Track B 90° Track N · 90° 3 www.baumer.com/motion 5/11/2014 Track N · Subject to modification in technic and design. Errors and omissions excepted. Trigger level Incremental encoders Through hollow shaft ø40 to ø65 mm 1000…2500 pulses per revolution ITD 70 A 4 Y 7 Dimensions cylinder head screw DIN 912 M8x30 tightening torque max. 10 Nm 7 3 spacers flexible torque support ø6.6 ø1 64 3 mounting kits 051 (standard) ø150 d H6 60 20 13 120° 026-40 Y 7 4 www.baumer.com/motion 5/11/2014 · · Subject to modification in technic and design. Errors and omissions excepted. cable, radial, ... m KR... approx. 18 mounting side (proposition) d g6 3xM6 61