Yokogawa ProSafe-RS Yokogawa SAI533-H63/PRP Analog Output Module Eight-channel isolated analog output module for the ProSafe-RS safety system, providing 4–20 mA outputs with HART communication and a Yokogawa-specific signal-cable interface. Technical Specifications Core electrical data Frequently needed values are shown first; secondary specifications remain available below. Core specifications Product type Analog Output Module Channels 8, module isolation Rated output 4–20