ALLIED Data Systems Pty Ltd’s DM6952HR dataModule combines on one board 16 power relay outputs.
These relays may be used to reliably switch voltages from 5V dc to mains voltages of 230Vac.
The on-board relays have two identical pairs of contacts. These contacts are connected on parallel.
Both Normally Open (NO) and Normally Closed (NC) contacts are available on the I/O connectors.
This board can be used in applications such as ac or dc power circuit breaking, motor and actuator control or voltage level shifting.
The outputs of the DM6952HR are inactive after reset and will maintain their state even if the system is reset from software. This will prevent uncontrolled output operation in cases of system failure.