Optional input/output module compatible with EasyLogic PM2130 and PM2230 devices, providing additional digital inputs and configurable outputs. This digital module provides 2 digital status inputs supporting 30VDC. Plus 2 configurable pulse outputs to provide energy or parameter values. The pulse supports loads up to 20mA at 40VDC. The option modules attach to the rear of the meter and provide the connection for the control voltage and interface bus. The EasyLogic PM2130 and PM2230 devices allow a maximum of 1 input/output option module per meter.