VLT® Safety Option MCB 140/141
Integrate the most important safety functions in a single, compact device that works with all drives.
MCB 141 – for external mounting outside the drive enabling use of the MCB 140 functionality if another B- option is installed.
Ordering no. MCB 140 |
130b6443 |
Ordering no. MCB 141 |
130b6447 |
50%
saving on wiring can be achieved in low safetycritical applications, compared to traditional dual-channel solutions.
The VLT® Safety Option MCB 140/141 series expands the Safe Torque Off (STO) function that is integrated into the drive, by adding a safe measurement of the ramp-down time, also called SS1, Safe Stop 1.
Extensive speed monitoring features have also been integrated into the system.
•SMS (Safe Maximum Speed) protects both operators and equipment from dangerous overspeed.
•SLS (Safely Limited Speed) is activated by a dedicated input that allows operators to carry out work at the machine without interrupting the production process.
•SSM (Safe Speed Monitor)
The MCB 140/141 has been designed to provide drive-integrated safety without needing to change the overall safety concept. This means that the option can be commissioned and used in a similar way as external safety devices. By integrating the safety option into the drive owners save both space and wiring, without loosing the ability to commission the safety system without using a PC.
Setup is fast and user-friendly. The integrated display guides users through a limited number of easy to understand parameters, enabling them to set up the safety system in a matter of minutes.
Feature |
Benefit |
Scalable from single channel PL c to dual channel PL e
Internal and external version available
No need to power cycle the drive after a demand on the safety system
Three logic safe inputs
Less wiring, fewer external components, only pay for what you need.
Use the same safety concept no matter which drive is used.
Minimized wear on the drive, longer lifetime expectancy and reliability.
A dedicated input for each safety function, easy to connect without needing an additional safety component.
Maintenance can be performed while the machine is still in motion
Safe Torque Off (STO)
Safe Stop 1 (SS1)
Monitors ramp down time and shuts off the torque
Safely Limited Speed (SLS)
Monitors whether a specified velocity is exceeded
Safe Maximum Speed (SMS)
Protection of over speed during automatic production
Standstill output
Pulsed voltage supply
Minimize time and effort required for service and installation work.
Prevention of unexpected startup without power contactors. No maintenance needed.
Controlled ramp-down results in faster standstill compared to STO, without losing all benefits of the STO.
Makes it possible to work safely with the guards open.
Reduce set-up times thanks to a better view into the set-up area.
Greater operational safety by means of safely limited set-up speed.
Protect your machine from destruction due to over-speed.
Use this output to control movable guard interlocking devices. Enables the user to enter the machine only if it is in standstill.
Show the user that it is safe to enter the machine.
Check wiring, connectors and switches for correct function. Higher efficient failure finding resulting in less downtime.
Facts about our products
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