Ken Roach
Lifetime Supporting Member + Moderator
This is slightly off-topic, but I figured I'd ask the community.
I have an application where we're running a panel PC with Windows 7 Professional and Indusoft Web Studio as our HMI, powered by 24V DC from an ordinary PULS power supply with a battery backup/buffer unit.
The battery backup unit (a PULS UBC10.241) has only dry relay contacts for Ready, Buffering, and Replace Battery indications. It has no USB or serial interface.
Does anyone know a simple method for a Windows computer to perform an orderly shutdown based on a contact closure ? The PC does have RS-232, RS-485, and USB ports.
I have done a little Google searching, and learned about how old AS/400 servers used to interface their serial ports to relay contacts in a standard way, but haven't found anything that seems to fit the bill.
My fallback method is going to be to wire the UPS inputs to the PLC, and use an HMI tag trigger to have Indusoft run a batch file with the Windows "shutdown -s" command and then use the IWS $Shutdown command to stop the runtime before that happens.
But I'd prefer to find something that connects serially or over USB that will shut down the computer when a contact closure occurs.
I have an application where we're running a panel PC with Windows 7 Professional and Indusoft Web Studio as our HMI, powered by 24V DC from an ordinary PULS power supply with a battery backup/buffer unit.
The battery backup unit (a PULS UBC10.241) has only dry relay contacts for Ready, Buffering, and Replace Battery indications. It has no USB or serial interface.
Does anyone know a simple method for a Windows computer to perform an orderly shutdown based on a contact closure ? The PC does have RS-232, RS-485, and USB ports.
I have done a little Google searching, and learned about how old AS/400 servers used to interface their serial ports to relay contacts in a standard way, but haven't found anything that seems to fit the bill.
My fallback method is going to be to wire the UPS inputs to the PLC, and use an HMI tag trigger to have Indusoft run a batch file with the Windows "shutdown -s" command and then use the IWS $Shutdown command to stop the runtime before that happens.
But I'd prefer to find something that connects serially or over USB that will shut down the computer when a contact closure occurs.