Basics of Incremental Encoders with Push-Pull Complementary (EN)

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OUTPUT CIRCUIT TECHNICAL DATA CABLE LENGTH Basics of Incremental Encoders Outputs - Push-pull complementary DC 10 - 30 V DC 10 - 30 V Screen1 1 cable screen connected with encoder housing Code letter I = push-pull complementary (with U = DC 10 - 30 V) B Output signals shaft turning clockwise (cw) Square wave pulses (HTL) seen from front for channels A, B, N of encoder and their inverted signals A, B, N Delay times at 1,5 m cable ≤250 ns ≤250 ns Pulse shape Pulse duty factor 1:1 Phasing 90° ±25° electrical Symmetry 180° ±25° electrical Nax. output frequency 200 kHz (see cable length) Output voltage 0 ... + U B Output level H ≥ U -3V / L ≤2V B Output load max.

±30 mA Short circuit protection short circuit proof for all channels due to integrated controller Pole protection of U yes B 1 Distance from A to B is at least 0,7 µs (at 200 kHz) depending on voltage and fequency (at 25 °C) 1: Length push-pull complementary 10 m DC12 V, 200 kHz DC24 V, 200 kHz DC30 V, 200 kHz 50 m DC12 V, 200 kHz DC24 V, 50 kHz DC30 V, 25 kHz 100 m DC12 V, 150 kHz DC24 V, 25 kHz DC30 V, 12 kHz 1 with Hengstler accessory cables Doc No: EB0002 Rev:

001 Impulse Automation Limited United Kingdom Company Registration 665193 Page 2015-03-10 1 Code letter I = push-pull complementary (with U = DC 10 - 30 V) B Output signals shaft turning clockwise (cw) Square wave pulses (HTL) seen from front for channels A, B, N of encoder and their inverted signals A, B, N Delay times at 1,5 m cable ≤250 ns ≤250 ns Pulse shape Pulse duty factor 1:1 Phasing 90° ±25° electrical Symmetry 180° ±25° electrical Nax. output frequency 200 kHz (see cable length) Output voltage 0 ... + U B ≥ ≤ Output level H U -3V / L 2V B Output load max. ±30 mA Short circuit protection short circuit proof for all channels due to integrated controller Pole protection of U yes B

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