G71

G71

G71

Product catalog summary
Overview: This document outlines the specifications and configurations for the Incremental Rotary Encoder models G58 and G71 by LTN Servotechnik GmbH, designed for precise rotational position measurement in industrial applications.
Mechanical Specifications: The G58 series includes types S, H, D, T, L, W, E with shaft diameters from 6 mm to 14 mm. The G71 series offers types S, H, W with housing diameters of 64 mm and shaft diameters from 8 mm to 12.692 mm. Both series are designed to handle vibrations and shocks.
Output Circuit and Channels: Supported output circuits include Line Driver (RS422), TTL compatible, Open Collector, Push Pull, and Current Interface. Channels can be configured for A and B or B only.
Line Counts: Both models support line counts from 2 to 10,000, providing high precision.
Zero Index: Configurable to be high if channel A is high or if both channels A and B are high.
Electrical Data: Operates at 5 V or 8-30 V with a maximum current of 180 mA. Supports output frequencies up to 300 kHz and cable lengths up to 150 m.
Environmental Specifications: Operating temperatures range from -10°C to +80°C, with IP64 and IP66 protection classes.
Connector and Cable Options: Various configurations available, including axial and radial outputs, with sealed bearings and shaft seals.
Recommended Input Circuitry: Guidelines provided for optimal performance, including recommended components like DS26C32 line receiver and MC33074 operational amplifier.
Ordering Information: Detailed ordering code structure to specify configuration and features.
Additional Features: Includes short-circuit protection at zero speed, various flange and mounting options, and protection classes from IP50 to IP64.
Contact Information: LTN Servotechnik GmbH is based in Otterfing, Germany, with contact details for inquiries.
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Catalog excerpts

G71-1

Incremental Rotary Encoder G71 Shaft: Type S / H Hollow shaft: Type W Housing diameter: 64 mm Shaft: ∅ 8 ... 12,692 mm Hollow shaft: ∅ 6 ... 20 mm Line counts: 2 ... 10.000 Output signals: RS422, PP, TTL, OC, 1Vpp, 11µApp Connector- or cable output; axial or radial Hollow shaft Type W ∅ Shaft / Hollow shaft Accuracy (up to line count 2500) Mech. permissible speed Starting torque (25°C) without shaft seal with shaft seal Rotor inertia 100 m/s²; higher upon request 100 m/s²; higher upon request 100 m/s²; higher upon request 1000 m/s²; higher upon request 1000 m/s²; higher upon request 1000 m/s²; higher upon request Operating temperature Protection class

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G71-2

Incremental Rotary Encoder G71 optional: flange square higher vibration capability upon 1 optional: shaft seal connector output: radial or axial request optional: sealed bearing cable output: radial or axial 2 optional: servo clamps G 71 H optional: servo flange higher vibration capability upon standard: sealed bearing optional: shaft seal connector output: radial or axial cable output: radial or axial hollow through shaft optional: sealed bearing connector- or cable output: radial axial backlash (shaft): max. ± 1mm 3 torque coupling included 1

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G71-3

Incremental Rotary Encoder G71 Supply voltage Current requirement (without load) Output load Output frequency Cable length Zero index 1 = Z „high“ if A „high“ 5 = Z „high“ if A + B „high“ 1 = Z „high“ if A „high“ 5 = Z „high“ if A + B „high“ 1 = Z „high“ if A „high“ 5 = Z „high“ if A + B „high“ Output signals Version: LD = Line driver RS422 PP = Push pull KS = PP with short-cut protection TL = TTL compatible 360° el. Signal period: 1 Increment 90° el. Phase difference Tv: Delay time Zero index Z: A & B = „high“ (Preferred version) QI = 11 µApp at 1 kOhm load SI = 1 Vpp at 120 Ohm load Signal...

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G71-4

Incremental Rotary Encoder G71 Connector-Terminal and Cable Designation G 71 S, H Function / Signal Mating connector 7-pol.: straight: MS3106A-16S-1S-200 90° angular: MS3108A-16S-1S-200 Socket coupling for pin plug: MS3101A-16S-1S Square flange receptacle 7-pin: MS3102A-16S-1P Square flange receptacle 10-pin: MS3102A-18-1P Mating connector 10-pol.: straight: MS3106A-18-1S-200 90° angular: MS3108A-18-1S-200 Socket coupling for pin plug: MS3101A-18-1S Function / Signal Square flange receptacle 12-pin: RC-12P2N122K00 Pin plug 12-pin: Metal: RC-12P2N1280EF Plastic: RC-12P1N12K0EF Mating connector...

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G71-5

Incremental Rotary Encoder G71 Recommended input circuitry of subsequent electronics LD: Line driver RS 422 A Operating voltage: Current requirement: Output signals: Max. output frequency: Min. edge separation: Level (RS422): TFL ≥ 0,25 µs (400 kHz) VH ≥ 2,5 V (IH = -20 mA) VL ≤ 0,5 V (IL = 20 mA) Imax: ±20 mA per output TV ≤ 50 ns rise / fall times: ≤ 100 ns max. 100 m -10 °C ... +80 °C Max. current load cap.: Delay time: Switching times: Cable length: Operating temperature: Recommended input circuit KS: Push pull output with short-circuit protection Operating voltage: Current requirement: Output...

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G71-6

Incremental Rotary Encoder G71 G Incremental Rotary Encoder S = Type S W = Typ W (Hollow shaft; mounting with torque coupling) D = Type S + higher vibration capability T = Type H + higher vibration capability others upon request Shaft- or hollow shaft configuration D = 20 mm for G71W others upon request KS = PP with short circuit protection Ql = Current interface 11uApp at 1 kOhm load SI = Voltage interface 1 Vpp at 120 Ohm load others upon request 5 = Z „high" if A + B „high" others upon request 1 = square Flange 5 = round + sealed bearing 2 = Servo 6 = square + shaft seal 3 = round 7 = round...

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.