For that reason, [Hulk] designed a simple relay module in order to cut the amount of time he spends implementing this solution in his various other projects. While driving a relay with a ...

I/O connectivity is also provided for door and equipment monitoring. Gallagher HBUS Modules are: 8H Module provides 8 HBUS ports, 24 balanced inputs and 8 relay outputs 4H Module provides 4 HBUS ports ...