Optional input/output module compatible with PowerLogic PM8000, ION7400 and ION9000 devices to provide additional digital inputs and relay outputs. This digital module provides 6 digital inputs supporting 30VAC or 60VDC. The digital inputs can be activated by the supplied source or a user-supplied external source. There are also 4 relay outputs for status indication and control operations. The relay outputs support loads up to 8A at 240VAC. The option modules mount on the side of the meter and provide the connection for control voltage and the interface bus. The PowerLogic PM8000, ION7400 and ION9000 devices allow up to 4 input/output option modules per meter.