9 Technical Specifications
9.1 Consumption
Safety option
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 MCB 150)
9.2 Inputs
Digital inputs
Number of digital inputs
4 (2 x 2-channel Digital Safety Input)
Input voltage range
0 to 24 V DC
Input voltage, logic '0'
< 5 V DC
Input voltage, logic '1'
> 12 V DC
Input voltage (max)
28 V DC
Input current (min)
6 mA @Vin=24 V (inrush current 12 mA peak)
Input resistance
approx. 4 k
Ω
Galvanic isolation
No
Short circuit-proof
Yes
Input pulse recognition time (min)
3 ms
Discrepancy time (min)
9 ms
Cable length
< 30 m (screened or unscreened cable)
> 30 m (screened cable)
TTL encoder input (MCB 150)
Number of encoder inputs
4 (2 x differential inputs A,/A; B,/B)
Encoder types
TTL, RS-422/RS-485 incremental encoders
Input differential voltage range
-7 to +12 V DC
Input common mode voltage
-12 to +12 V DC
Input voltage, logic '0' (diff)
< -200 mV DC
Input voltage, logic '1' (diff)
> +200 mV DC
Input resistance
approx. 120
Ω
Maximum frequency
410 KHz
Short circuit-proof
Yes
Cable length
< 150 m (Tested with screened cable - Heidenhain AWM Style 20963 80°C 30V E63216, 100 m screened
motor cable, no load on motor)
HTL encoder input (MCB 151)
Number of encoder inputs
2 (2 x single ended inputs A; B)
Encoder types
HTL incremental encoders; HTL Proximity sensor
Logic input
PNP
Input voltage range
0 to 24 V DC
Input voltage, logic '0'
< 5V DC
Input voltage, logic '1'
> 12 V DC
Input voltage (max)
28 V DC
Input resistance
approx. 4
Ω
Maximum frequency
110 kHz
Short circuit-proof
Yes
Cable length
< 100 m (Tested with screened cable - Heidenhain AWM Style 20963 80°C 30V E63216, 100 m screened
motor cable, no load on motor)
Technical Specifications
Operating Instructions
70
Danfoss A/S © Rev. 2014-02-11 All rights reserved.
MG34W302
9
9
Summary of Contents for VLT Safety Option MCB 150
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