Not a big deal for this application, but it's bad practice to rely on a PLC as an emergency stop. PLCs are not safety devices. Actual E-Stops must be hardwired with a redundant safety module in order to be done properly. But, this is a train set so there's no danger to anyone's life. Seeing E-Stops on an HMI just rubs me the wrong way, lol.
This is a special scenario so the E-stop is just for shutting down the whole control system which just cutting 24VDC off. I don't quite understand that I am using a PLC as a safety device? Are you also talking about the e stop on HMIs? Anyway thanks for your advice.
+Yun Garam (Garam Machinery) yes I was just saying how the estops on the hmi makes my spidey sense tingle. it's not a big deal in this scenario though.
actually....some PLCs ARE safety rated and used quite a bit in major manufacturing. A safety co processor can be inserted into the rack and controls safety functions. Of course the e-stop input is also a safety rated hardware button, not a soft button on an HMI as the HMI is not safety rated and the machine will run with the HMI disconnected.
In the case of the processor in the video, no. It looks to be an L35E which does not do safety. A system we are installing this weekend does all safety over ethernet. I know what you mean about an "e-stop" on a HMI though...not exactly correct. With the newest firmware (and processor) you can even have safety over wireless. ....crazy stuff.
Hi Garam, we are also considering building the same kind of Rail model in our office premises. Can you pls help me in this regard by listing what all elements would be required to build this. I need information on all components used in the system including physical, logical, technical, etc. Is it also possible if you can share your contact details! Thanks.
Awesome! Thank you so much for sharing.
Thank you for watching!
I'm thinking of building another train railway like this, please give me ideas!
No sound??? Are you using DCC from the PLC?
Whats DCC sorry :/ Thank you for watching I love your videos too!
What is the large device to the right of the CompactLogix? The one that looks like it has 5+ Ethernet ports.
It is a Stratix 8000 manageable ethernet switch from rockwell. Currently that doesn't do anything in this video. Thanks for watching.
great
Thanks
Not a big deal for this application, but it's bad practice to rely on a PLC as an emergency stop. PLCs are not safety devices. Actual E-Stops must be hardwired with a redundant safety module in order to be done properly. But, this is a train set so there's no danger to anyone's life. Seeing E-Stops on an HMI just rubs me the wrong way, lol.
This is a special scenario so the E-stop is just for shutting down the whole control system which just cutting 24VDC off. I don't quite understand that I am using a PLC as a safety device? Are you also talking about the e stop on HMIs? Anyway thanks for your advice.
+Yun Garam (Garam Machinery) yes I was just saying how the estops on the hmi makes my spidey sense tingle. it's not a big deal in this scenario though.
actually....some PLCs ARE safety rated and used quite a bit in major manufacturing. A safety co processor can be inserted into the rack and controls safety functions. Of course the e-stop input is also a safety rated hardware button, not a soft button on an HMI as the HMI is not safety rated and the machine will run with the HMI disconnected.
In the case of the processor in the video, no. It looks to be an L35E which does not do safety. A system we are installing this weekend does all safety over ethernet. I know what you mean about an "e-stop" on a HMI though...not exactly correct. With the newest firmware (and processor) you can even have safety over wireless. ....crazy stuff.
what is the train set used for this project?
n scale train
Hi Garam, we are also considering building the same kind of Rail model in our office premises. Can you pls help me in this regard by listing what all elements would be required to build this. I need information on all components used in the system including physical, logical, technical, etc. Is it also possible if you can share your contact details! Thanks.
I used n scale train and ab plc, there is no document for it sorry.
Can you please tell me about the total cost of the project
Around $3000 USD?
How do you make hardware
Please have a look at my videos
How railway tracks is made
Please have a look at my videos
Scada system
yes its scada