Incremental encoders Through hollow shaft ø20 to ø27 mm 2000…10000 pulses per revolution ITD 41 A 4 Y79 Features –– Encoder with through hollow shaft ø20...27 mm –– Up to 10000 pulses per revolution –– Optical sensing method –– Mounting by torque support –– TTL or HTL output signals –– Cable output radial Optional –– Cable with connector –– Extended operating temperature range Technical data - mechanical design Voltage supply Size (flange) ø80 mm Shaft type ø20 mm (through hollow shaft) ø22 mm (through hollow shaft) ø25 mm (through hollow shaft) ø27 mm (through hollow shaft) Motor shaft tolerance 0.25 mm axial 0.1 mm radial Mounting kit 050 Protection DIN EN 60529 IP 65 Operating speed ≤5000 rpm ≤3000 rpm IP 65 (>70 °C) Starting torque ≤0.015 Nm (+20 °C) Materials Housing: aluminium, black, powder-coated Shaft: stainless steel Operating temperature -20...+70 °C -20...+100 °C Relative humidity 90 % non-condensing Resistance DIN EN 60068-2-6 Vibration 10 g, 55-2000 Hz DIN EN 60068-2-27 Shock 30 g, 11 ms Connection Cable 1 m Weight approx. 580 g 5 VDC ±5 % 8...30 VDC Reverse polarity protection Yes Consumption w/o load ≤100 mA Pulses per revolution 2000...10000 Reference signal Zero pulse, width 90° Sensing method Optical Output frequency ≤300 kHz (TTL) ≤160 kHz (HTL) Output signals A, B, N + inverted Output stages TTL linedriver (short-circuit proof) HTL push-pull (short-circuit proof) Interference immunity DIN EN 61000-6-2 Emitted interference DIN EN 61000-6-3 1 www.baumer.com/motion 6/3/2015 Technical data - electrical ratings Subject to modification in technic and design. Errors and omissions excepted. ITD 41 A 4 Y79 with through hollow shaft Incremental encoders Through hollow shaft ø20 to ø27 mm 2000…10000 pulses per revolution ITD 41 A 4 Y79 Part number ITD 41 A 4 Y79 NI KR1 050 Mounting kit 050 Mounting kit 050 IP54 IP65 20 22 25 27 Protection IP 54 IP 65 Through hollow shaft ø20 mm ø22 mm ø25 mm ø27 mm Operating temperature S -20...+70 °C E -20...+100 °C Connection KR1 Cable 1 m, radial Output signals 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 2500 3072 3600 4096 5000 10000 2 www.baumer.com/motion 6/3/2015 2000 2048 Subject to modification in technic and design. Errors and omissions excepted. Pulse number Incremental encoders Through hollow shaft ø20 to ø27 mm 2000…10000 pulses per revolution ITD 41 A 4 Y79 Output signals Terminal assignment Clockwise rotation when looking at the mounting side. Core colour Assignment brown Track A green Track A inv. Track A grey Track B pink Track B inv. Track A red Track N black Track N inv. NI-Output signals Track B Track B brown 0,5 mm2 UB white 0,5 mm GND 2 blue UB-Sense white GND-Sense transparent Shield/Housing 90° Track N 90° Linedriver Output level High ≥2.4 V Output level Low ≤0.5 V Load ≤70 mA Outputs Push-pull short-circuit proof Output level High ≥UB -3 V Output level Low ≤1.5 V Load ≤70 mA Dimensions 45 ø80 observe position! (hollow shaft cutout of clamping ring) 30 32 57 ~ 22 M4 min. 30 9.5 cylinder head screw DIN 912M4x12 A/F3 tightening torque max. 2.2 Nm d H6 d g6 mounting side (proposition) 2 spacers mounting kit 050 (standard) 7 flexible torque support 4.5 cable, radial KR... 3 20 026- 5 Y79 www.baumer.com/motion 6/3/2015 Track N Subject to modification in technic and design. Errors and omissions excepted. Trigger level Outputs Incremental encoders Through hollow shaft ø20 to ø27 mm 2000…10000 pulses per revolution 4 www.baumer.com/motion 6/3/2015 Subject to modification in technic and design. Errors and omissions excepted. ITD 41 A 4 Y79