Yokogawa AAI841-H50 Analog I/O Module 100% Original NewModel AAI841 (8 channel input 8 channel output, Non Isolated) I O Signal: Input: 4 to 20 mA Output: 4 to 20 mA Allowable Input Current Voltage: 25 mA Input Resistance: Power ON: 400 (at 20 mA) to 1000 (at 4 mA) Power OFF: 500 k or larger Accuracy: Input: 16 A Output: 48 A Data Update Period: 10 ms Input Step Response Time: 100 ms Output Step Response Time: 40 ms Transmitter Power Supply: 14. 8 V or higher (at 20 mA), 26. 4 V or less (at 0 mA)