Danfoss VLT Safety Option MCB 150 User Manual

9 Technical Specifications
9.1 Consumption
Power consumption 2 W (equivalent power consumption related to VDD)
Current consumption VCC (5 V) <200 mA
Current consumption VDD (24 V) <30 mA (<25 mA for VLT® Safety Option MCB 150)
9.2 Inputs
9.2.1 Digital Inputs
Number of digital inputs 4 (2x2-channel digital safety input)
Input voltage range 0–24 V DC
Input voltage range, logic 0 <5 V DC
Input voltage range, logic 1 >12 V DC
Input voltage (maximum) 28 V DC
Input current (minimum) 6 mA @V
in
=24 V (inrush current 12 mA peak)
Input resistance Approximately 4 kΩ
Galvanic isolation No
Short-circuit proof Yes
Input pulse recognition time (minimum) 3 ms
Discrepancy time 9 ms
Cable 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 encoders
Input differential voltage range -7 to +12 V DC
Input common-mode voltage -12 to +12 V DC
Input voltage, logic 0 (differential) <-200 mV DC
Input voltage, logic 1 (differential) >+200 mV DC
Input resistance Approximately 120 Ω
Maximum frequency 410 kHz
Short-circuit proof Yes
Cable 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 sensor
Technical Specifications
Installation Guide | VLT® Safety Option MCB 150/151
AQ279747441421en-000101 / 130R0292
92 | Danfoss A/S © 2018.09

Danfoss VLT Safety Option MCB 150 Specifications

General

Brand	Danfoss
Model	VLT Safety Option MCB 150
Category	Control Unit
Language	English