To wire your AC-500 to your I/O Controller for extra security follow the diagrams below. Remember to power your I/O Controller independently from your other devices including your lock.
When connecting your I/O Controller to a Fail Secure lock use the diagram below.
When connecting your I/O Controller to a Fail Safe lock use the diagram below.
An exit button or a door contact can be added to the I/O Controller as well, the diagram below shows how to connect both.