Subscribing is a smart move!
You can subscribe to this board after you log in or create your free account.
Invite a Co-worker
Send a co-worker an invite to the portal.Just enter their email address and we'll connect them to register. After joining, they will belong to the same company.
Send Invite Cancel
Solved
Go to Solution
Link copied. Please paste this link to share this article on your social media post.
Hello everybody,
I have a M580 HSBY system with topology as attached, I have two identical system with two separate panels, we want to fix one CPU with one RIO in each panel as showed in attached pic. the question is, if any power failure happens for any panel, does the other system can continue in operation??
Accepted Solutions
Link copied. Please paste this link to share this article on your social media post.
Hi @Mahmoud_Yacoub,
Based on your description, you have one set of HSBY M580 CPUs (2 CPUs) with two RIO remote drops, and you segregated them in a different panel.
- Panel 1 (CPU B + RIO 2)
- Panel 2 (CPU A + RIO 1)
In your particular example, you are pointing out that if Panel 1's power supply is lost, both CPU B and RIO2 will no longer be available. However, CPU A and RIO1 from Panel 1 are still operational.
NOTE: Before the power supply of Panel 2 is lost, depending on which CPU is in which state, a swapping might or might not occur.
- If CPU A is already in the primary state role and Panel 1 power is lost, no swapping will occur, and CPU A continue his operation and indicate that he lost his partner CPU and the second remote drop.
- Suppose CPU A is already in the secondary state role and Panel 1 power is lost. In that case, there will be swapping, and now CPU A will take the primary role and continue his operation, indicating that he lost his partner CPU and the second remote drop.
NOTE: Typically, different RIO (remote drops) IO modules (DI/DO/AI/AO) are connected with various sensors and actuators. In this particular scenario, all the sensors and actuators that were connected to the remote drop (RIO 2) IO modules will be gone. The loss of the Panel 1 power supply, even though RIO 1 and CPU A are in operation, will impact the application level.
Remedy: One way is to consider using the dual power supplies (PSs) with a supported PS rack at the HSBY CPUs and CRA drop level.
NOTE: Both rack PSs should have a different supply source, not the common supply, so even if one of the sources fails, it will not impact the system. You can even mix and match AC and DC sources. With this, you can maintain the availability of the CPUs and remotely drop (System) even if one of the power supply sources at any panel is gone.
I recommend you go through the “M580 HSBY System Operation” from the Control Expert help file to have a better understanding. Check also the redundant Power supplies details.
I hope the above comments will provide help.
BRs,
MWS
Link copied. Please paste this link to share this article on your social media post.
Hi @Mahmoud_Yacoub,
Based on your description, you have one set of HSBY M580 CPUs (2 CPUs) with two RIO remote drops, and you segregated them in a different panel.
- Panel 1 (CPU B + RIO 2)
- Panel 2 (CPU A + RIO 1)
In your particular example, you are pointing out that if Panel 1's power supply is lost, both CPU B and RIO2 will no longer be available. However, CPU A and RIO1 from Panel 1 are still operational.
NOTE: Before the power supply of Panel 2 is lost, depending on which CPU is in which state, a swapping might or might not occur.
- If CPU A is already in the primary state role and Panel 1 power is lost, no swapping will occur, and CPU A continue his operation and indicate that he lost his partner CPU and the second remote drop.
- Suppose CPU A is already in the secondary state role and Panel 1 power is lost. In that case, there will be swapping, and now CPU A will take the primary role and continue his operation, indicating that he lost his partner CPU and the second remote drop.
NOTE: Typically, different RIO (remote drops) IO modules (DI/DO/AI/AO) are connected with various sensors and actuators. In this particular scenario, all the sensors and actuators that were connected to the remote drop (RIO 2) IO modules will be gone. The loss of the Panel 1 power supply, even though RIO 1 and CPU A are in operation, will impact the application level.
Remedy: One way is to consider using the dual power supplies (PSs) with a supported PS rack at the HSBY CPUs and CRA drop level.
NOTE: Both rack PSs should have a different supply source, not the common supply, so even if one of the sources fails, it will not impact the system. You can even mix and match AC and DC sources. With this, you can maintain the availability of the CPUs and remotely drop (System) even if one of the power supply sources at any panel is gone.
I recommend you go through the “M580 HSBY System Operation” from the Control Expert help file to have a better understanding. Check also the redundant Power supplies details.
I hope the above comments will provide help.
BRs,
MWS
Create your free account or log in to subscribe to the board - and gain access to more than 10,000+ support articles along with insights from experts and peers.