✤ Model Number: 6ES7431-0HH00-0AB0
Supports up to 128 I/O points
Reliable Industrial Performance: Optimized for demanding automation environments
Input Resistance (Power ON): 400 Ω (at 20 mA) to 1000 Ω (at 4 mA)
Redundant design for high availability
Yokogawa ALR121-S01 Communication Module Enhanced COM Module ✤ Model Number: 6ES7431-0HH00-0AB0The Yokogawa ALR121 S01 is a serial communication module designed for field control units (AFV30, AFV40, AFV10, and AFF50), ESB bus node unit (ANB10), optical ESB bus node unit (ANB11), and ER bus node unit (ANR10). It supports RS 422 RS 485 serial communication, enabling communication with various devices such as FA M3, Modbus devices, and other serial devices. Specifications: Input Voltage: 24 VDC 10% Power Consumption: 3. 5 W max. Operating