Optional Input Output module compatible with PowerLogic PM8000, ION7400 and ION9000 devices that provides additional digital inputs and relay outputs. This digital module provides 6 digital inputs that support 30VAC or 60VDC. The digital inputs can be excited by the provided wetting source or a user provided external source. Plus 4 relay outputs to provide status indication and to provide control operations. The relay outputs support loads up to 8A at 240VAC. The option modules are attached to the side of the meter providing connection for control power and interfacing bus. The PowerLogic PM8000, ION7400 and ION9000 devices allow up to 4 input/output option modules per meter.