Tachogenerators Blind hollow shaft ø8 to ø12 mm Housing ø52 mm, bearingless configuration GT 5 Features –– Low response time –– Open circuit voltage 7...10 mV per rpm –– Blind hollow shaft ø8...12 mm –– High signal quality due to patented LongLife technology –– No auxiliary energy source required GT 5 Technical data - mechanical design Reversal tolerance ≤0.1 % Size (flange) ø52 mm Linearity tolerance ≤0.15 % Shaft type ø8...12 mm (blind hollow shaft) Temperature coefficient ±0.005 %/K (open-circuit) Protection DIN EN 60529 IP 00, IP 54 (with cover) Isolation class B Torque 0.3 Ncm Calibration tolerance ±5 % Rotor moment of inertia 0.05 kgcm² Climatic test Humid heat, constant (IEC 60068-2-3, Ca) Materials Housing: stainless steel / plastic Shaft: stainless steel Performance 0.075 W (speed ≥5000 rpm) Operating temperature -30...+130 °C Armature-circuit time-constant <4.5 µs Resistance Open-circuit voltage 7...10 mV per rpm Interference immunity EN 61000-6-2 IEC 60068-2-6 Vibration 10 g, 10-2000 Hz IEC 60068-2-27 Shock 100 g, 6 ms Emitted interference EN 61000-6-3 Weight approx. 150 g Approval CE Connection Plug-in terminals 1 www.baumer.com/motion 10/12/2014 Subject to modification in technic and design. Errors and omissions excepted. Technical data - electrical ratings Tachogenerators Blind hollow shaft ø8 to ø12 mm Housing ø52 mm, bearingless configuration GT 5 Part number Accessories GT5.05L/4 Mounting cone Carbon brushes Open-circuit voltage 07 7 mV per rpm 09 9.5 mV per rpm 10 10 mV per rpm Data according to type Off-load voltage Type Minimum load required depending on speed range [rpm] Armature resistance Armature inductance 0-3000 0-6000 0-nmax RL [kΩ] RL [kΩ] RL [kΩ] nmax [rpm] R A (20°C) [Ω] LA [mH] ≥10 ≥18 ≥20 ≥23 ≥44 ≥48 ≥65 ≥121 ≥133 10000 10000 10000 240 410 430 45 80 85 U0 [mV/rpm] GT5.05L/407 GT5.05L/409 GT5.05L/410 Maximum operating speed 7 9.5 10 Superimposed ripple (for τRC = 0.3 ms): ≤0.7% (peak-peak) ≤0.35% (rms) Replacement switching diagram U(n) U0 (n) 2A1 U(n) Tachogenerator R RL n -n C 2A2 -U(n) τRC≈R·C LA τA≈ RL Polarity for positive rotating direction: U(n) = U0 (n) 2A1: + RL ≈ U0 (n) for R > R L >> R A R A + RL 2A2: - (VDE) 2 www.baumer.com/motion Subject to modification in technic and design. Errors and omissions excepted. LA 10/12/2014 RA Tachogenerators Blind hollow shaft ø8 to ø12 mm Housing ø52 mm, bearingless configuration GT 5 Dimensions ø ø Positive rotating direction ø ø 3 www.baumer.com/motion Subject to modification in technic and design. Errors and omissions excepted. HM84M19780 10/12/2014 ø ø ø ø ø ø Tachogenerators Blind hollow shaft ø8 to ø12 mm Housing ø52 mm, bearingless configuration 4 www.baumer.com/motion 10/12/2014 Subject to modification in technic and design. Errors and omissions excepted. GT 5