YOKOGAWA · FIO ANALOG I/O Yokogawa AAB841-S53/M4A00 Analog I/O Module · 8-Channel I/O 8-channel analog I/O module with 1–5 V differential inputs, 4–20 mA outputs and an ATM4A-00 / MAC2-compatible adapter option. Part Number AAB841-S53/M4A00 Input 8 × 1–5 V DC Output 8 × 4–20 mA DC Adapter ATM4A-00 / MAC2 Technical Specifications AAB841 Model AAB841 Exact ordering code AAB841-S53/M4A00 Product type Analog I/O Module I/O configuration 8-channel input / 8-channel output Input