GE IS220PAOCH1A Analog Output ModuleDescription The GE IS220PAOCH1A is an analog output module used in Mark VIe and Mark VIeS control systems. It provides precise current loop outputs for interfacing with field devices in industrial automation and turbine control applications. Specifications Part Number: IS220PAOCH1A Output Channels: 8 independent current loop outputs Output Range: 020 mA, supports loads up to 900 ohms Accuracy: 0. 5% across 30C to +65C operating temperature