Danfoss VLT Safety Option MCB 150 Installation Manual

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9 Technical Specifications9.1 ConsumptionPower consumption 2 W (equivalent power consumption related to VDD)Current consumption VCC (5 V) <200 mACurrent consumption VDD (24 V) <30 mA (<25 mA for VLT® Safety Option MCB 150)9.2 Inputs9.2.1 Digital InputsNumber of digital inputs 4 (2x2-channel digital safety input)Input voltage range 0–24 V DCInput voltage range, logic 0 <5 V DCInput voltage range, logic 1 >12 V DCInput voltage (maximum) 28 V DCInput current (minimum) 6 mA @Vin=24 V (inrush current 12 mA peak)Input resistance Approximately 4 kΩGalvanic isolation NoShort-circuit proof YesInput pulse recognition time (minimum) 3 msDiscrepancy time 9 msCable length <30 m (98.4 ft) (shielded or unshielded cable), >30 m (98.4 ft) (shielded cable)9.2.2 TTL Encoder Input (VLT® Safety Option MCB 150)Number of encoder inputs 4 (2 x differential inputs A, A/; B,/B)Encoder types TTL, RS422/RS485 incremental encodersInput differential voltage range -7 to +12 V DCInput common-mode voltage -12 to +12 V DCInput voltage, logic 0 (differential) <-200 mV DCInput voltage, logic 1 (differential) >+200 mV DCInput resistance Approximately 120 ΩMaximum frequency 410 kHzShort-circuit proof YesCable length <150 m (492 ft) (tested with shielded cable - Heidenhain AWM Style 20963 80 °C 30V E63216, 100 m(328 ft) shielded motor cable, no load on motor)9.2.3 HTL Encoder Input (VLT® Safety Option MCB 151)Number of encoder inputs 2 (2 x single ended inputs A; B)Encoder types HTL incremental encoders, HTL proximity sensorTechnical SpecificationsInstallation Guide | VLT® Safety Option MCB 150/151AQ279747441421en-000101 / 130R029292 | Danfoss A/S © 2018.09