Danfoss MCB 159 Fact sheet
Fact Sheet
Operate safely and reduce system cost
VLT® Safety Option MCB 150/151 and VLT® Sensorless Safety MCB 159
MCB 151
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MCB 159 |
Ordering number |
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MCB 150................................ |
130B3280 coated |
MCB 151................................. |
130B3290 coated |
MCB 159 – select this option in the configurator when ordering a new drive. Not available for retrofit.
Reduce overall system cost, improve flexibility and increase productivity by enabling operators to perform maintenance safely, even while the machine is still in motion.
100%
integrated into the drive due to internal databus connection
Additional safety
The VLT® Safety Option MCB 150/151 expands the integrated Safe Torque Off (STO) function of the VLT® AutomationDrive. Use the Safe Stop 1 (SS1) function to perform a controlled stop, before removing torque. Use the Safely Limited Speed (SLS) and Safe Maximum Speed (SMS) functions to monitor whether a specified speed is exceeded.
When the VLT® Safety Option MCB 151 is combined with the built-in
VLT® Sensorless Safety MCB 159 option, an external sensor is no longer required for safe speed monitoring.
Use flexible speed control in upgraded or retrofitted applications. Connect input devices – such as guard locking switches, light curtains and emergency stops – directly to the module and eliminate the need for a separate, dedicated safety controller.
Feature
No need to power cycle the drive after a demand on the safety system
Two logic safety inputs
Maintenance can be performed while the machine is still in motion
Safe Torque Off (STO)
Integrated in the drive as standard
Safe Stop 1 (SS1)
Monitors deceleration and then shuts off the torque
Safely Limited Speed (SLS)/ Safe Maximum Speed (SMS)
Monitors whether a specified velocity is exceeded
Quick commissioning and wiring
Visual instructions in VLT® Motion Control Tool MCT 10 ensure both faultfree wiring and that safety parameters are correctly transferred from the PC to the drive. The software also offers a dynamic commissioning report which can be used in the technical file for the machine.
More advantages
Integrated functional safety replaces external safety equipment
Reduced space requirements
Can send status messages via Fieldbus
Password function
Logging function
Simpler feedback sensor systems
Compliance with international standards
Easier machine certification
Drive can be powered continuously
Benefit
–Minimized wear on the drive
–Provide redundancy without needing an external safety module
–Minimized time and effort required for service and installation work
–Increased productivity and availability
–Eliminates one or more power contactors
–Eliminates the need for additional feedback monitoring
–Machine is restarted quickly and more simply
–Greater operational safety, as the machine is protected against unexpected restart
–Safe protection against overspeed
–Makes it possible to work safely with the guards open
–Reduced set-up times thanks to a better view into the set-up area
–Safe Jog function
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Approvals
The VLT® Safety Options are approved for use in safety related control systems and comply with EN ISO 13849-1 PL d, EN IEC 61508 SIL 2 and EN IEC 62061.
The safety options offer the following safety functions in compliance with IEC 61800-5-2:
Safe Torque O (STO)
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Activation |
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of STO |
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Actual frequency
Time
Safe Stop 1(SS1)
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Activation |
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of SS1 |
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Activation
of STO
Actual frequency SS1 ramp
Time
Ramp time
Safely Limited Speed (SLS)
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SLS activated |
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Max |
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speed |
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limit |
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Actual frequency |
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SLS max speed limit |
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Time |
Safe Maximum Speed (SMS)
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Actual frequency |
SMS max speed limit |
Time |
Specifications
Digital inputs
Number of programmable digital inputs Input voltage range
Input voltage Input current (min) Galvanic isolation Reaction time Short circuit-proof
TTL Encoder input (MCB 150)
Number of encoder inputs Encoder types
Input voltage range Maximum frequency Short circuit-proof Cable length
HTL Encoder input (MCB 151)
4 (2 x 2-channel Digital Safety Input)
0-24 VDC
Low: < 5 VDC / High: > 12 VDC
6 mA @Vin=24V (for keeping contacts clean) No
< 5ms (in total for HW and SW response time) Yes
(4 x differential inputs A,/A ; B,/B)
TTL, RS422/RS485 incremental encoders -7 to 12 VDC
410 KHz Yes
< 100 m (shielded cable)
Number of encoder inputs |
2 (2 x single ended inputs A; B) |
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Encoder types |
HTL incremental encoders; HTL Proximity sensor, |
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no encoder (when equipped with MCB 159) |
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Input voltage range |
0 to 24 VDC |
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Input voltage |
Low: < 5 VDC / High: > 12 VDC |
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Maximum frequency |
110 KHz |
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Short circuit-proof |
Yes |
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Cable length |
< 100 m (shielded cable) |
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24 V supply output |
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Supply voltage |
24 VDC (Voltage tolerance: +10%, -15%) |
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Maximum output current |
150 mA |
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Short circuit-proof |
Yes |
Certifications
Safety integrity level (SIL1, 2) according to EN IEC 62061, EN IEC 61508 standard (parts 1, 2 and 3) Performance level (PL “d”) according to EN ISO 13849-1 Category 3
The VLT® Safety Option MCB 150/151 |
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provides an intelligent, programmable |
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solution to meet EN IEC 61800-5-2 |
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functional safety standards. It fits within |
(MCB 150) encoder input. Each makes |
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the drive and helps to reduce cabling, |
use of the existing Safe Stop, terminal |
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requiring no cabinet space or external |
37, via an external wire. |
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power supply. |
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Connect active and passive sensors |
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directly to the pluggable safety |
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option over two channels. In many |
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applications you can then eliminate |
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Control Card |
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external components, such as safety |
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switchgear, over-speed monitors, speed |
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Fieldbus Interface |
<![if ! IE]> <![endif]>A |
Internal bus 1 |
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encoders, and motor/mains contactors. |
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VLT® Safety Option |
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MCB 150/151 |
<![if ! IE]> <![endif]>Option |
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Internal bus 2 |
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IGBT |
Passive sensors |
Active sensors |
37 |
STO |
Safe |
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channel |
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STOP |
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T |
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<![endif]>EtherNet/IP™ and DeviceNet™ are trademarks of ODVA, Inc.
DKDD.PFO.607.A4.02 |
© Copyright Danfoss Drives | 2018.09 |
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