This is an normal use example of a safety relay , you may like to add them to this video . It takes two hands to activate these switches, minimizing the risk of accidental equipment start up. A complete system requires two switches, one safety relay, and two outlet boxes. Safety relays control the two switches by sending an output signal when both switches are activated within 0.5 seconds of each other. Self-monitoring circuitry offers additional protection-if any part of the system fails, the entire system shuts down until repaired.
Yes, they are called safety PLCs. Their usement is still concentrated on safety, but user could implement individual logic inside it depending on specific project requirements. Safety PLCs have also a fieldbus interface to communicate with other PLCs. You may take a look at ABB Pluto series for example…
You forgot to mention that safety relay has positive guided contacts. In case of welding of NO contact, all contacts are immovable and hence guarantee that no safety is comprised.
Safety Relays are only required for SIL (Safety Integrity Level) certified systems. Some R&D systems don't even require safety relays. If you're only using an E-Stop to shutdown a system, then a Safety Relay may be overkill. It's never wrong to use it, but spending $400 for an Allen Bradley Guardmaster instead of using two $20 octal relays is a huge waste of money. I fully understand that production systems with dangerous conditions and numerous input parameters must have them.
to shutdown a system normally is used button "shutdown the system". The bundle E-Stop button and Safety Relay imply much more than simple "shutdown system". So usage of safety relay isn't overkill. Either you have reliable safety system or not. You pay $400 not for simple relay, you pay for relay with special features which encrease reliability of safety system implemented.That's the point.
Honestly;
whenever I login to UA-cam for self-turoring and find your good-looking face i like the video before I even watch it!
keep up the good job!
Wow, thank you!
Also wondering when you guys are doing Pt. 2! Thanks!
1 year after lol
This is an normal use example of a safety relay , you may like to add them to this video .
It takes two hands to activate these switches, minimizing the risk of accidental equipment start up. A complete system requires two switches, one safety relay, and two outlet boxes.
Safety relays control the two switches by sending an output signal when both switches are activated within 0.5 seconds of each other. Self-monitoring circuitry offers additional protection-if any part of the system fails, the entire system shuts down until repaired.
If we ever have 1st contact with aliens, i want this guy to do the talking.
Still no part 2. Thanks guys.
Can you give a practical exam? Where a safety relay must be used rather than a standard one and why?
I could not find the part 2,
When are you releasing part 2?
Still waiting on Part 2. Any word on when it might drop?
Than you for your effort , i learn a lot.
Are there any programmable Safety Relays that are controlled using microcontroller?
Yes, they are called safety PLCs. Their usement is still concentrated on safety, but user could implement individual logic inside it depending on specific project requirements. Safety PLCs have also a fieldbus interface to communicate with other PLCs. You may take a look at ABB Pluto series for example…
still waiting for part 2
You forgot to mention that safety relay has positive guided contacts. In case of welding of NO contact, all contacts are immovable and hence guarantee that no safety is comprised.
Safety Relays are only required for SIL (Safety Integrity Level) certified systems. Some R&D systems don't even require safety relays. If you're only using an E-Stop to shutdown a system, then a Safety Relay may be overkill. It's never wrong to use it, but spending $400 for an Allen Bradley Guardmaster instead of using two $20 octal relays is a huge waste of money. I fully understand that production systems with dangerous conditions and numerous input parameters must have them.
to shutdown a system normally is used button "shutdown the system". The bundle E-Stop button and Safety Relay imply much more than simple "shutdown system". So usage of safety relay isn't overkill. Either you have reliable safety system or not. You pay $400 not for simple relay, you pay for relay with special features which encrease reliability of safety system implemented.That's the point.
They must be studying how these safety relays work. Because there is no part 2 even 5 months later.
They have it now xd
@@victoribi0361 about time buddy LoL
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