Rotary Encoders - DR. JOHANNES HEIDENHAIN GmbH - #51

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       51 Pin layout 12-pin fl ange socket or M23 coupling 12-pin M23 connector 15-pin D-sub connector for IK 215 12-pin PCB connector Power supply Incremental signals Other signals 12 2 10 11 5 6 8 1 3 4 7 / 9 4 12 2 10 1 9 3 11 14 7 13 5/6/8 15 2a 2b 1a 1b 6b 6a 5b 5a 4b 4a 3a 3b / UP Sensor UP 0 V Sensor 0 V Ua1 .. Ua2 £ Ua0 ¤ ¥1) Vacant Vacant2) Brown/ Green Blue White/ Green White Brown Green Gray Pink Red Black Violet – Yellow Shield on housing; UP = Power supply voltage Sensor: The sensor line is connected in the encoder with the corresponding power line 1) LS 323/ERO 14xx: vacant 2) Exposed linear encoders: switchover TTL/11 ìAPP for PWT Input circuitry of the subsequent electronics Dimensioning IC1 = Recommended differential line receiver DS 26 C 32 AT Only for a > 0.1 ìs: AM 26 LS 32 MC 3486 SN 75 ALS 193 R1 = 4.7 k- R2 = 1.8 k- Z0 = 20 - C1 = 220 pF (serves to improve noise immunity) Incremental signals Reference-mark signal Fault-detection signal Encoder Subsequent electronics

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