Overview
The Yokogawa ALR121-S50 is an analog input module used in Yokogawa control systems. It provides high-accuracy analog signal acquisition from field instruments, ensuring stable and precise process control in industrial automation.
General Information
Part Number: ALR121-S50
Manufacturer: Yokogawa
Brand / Country of Origin: Yokogawa / Japan
Type: Analog Input Module
Mounting: Rack or panel installation within control system chassis
Technology: High-precision analog-to-digital conversion for process monitoring
Power Specifications
Supply Voltage: 24 V DC
Power Consumption: Approx. 3 W
Protection: Overvoltage and short-circuit protection
Indicators: LED indicators for power and channel status
Communication & Interface
Interface: Backplane or system bus connection
Signal Type: Analog input signals (current or voltage)
Diagnostics: Channel error and module health monitoring
Operator Interface: Status LEDs and configuration via control software
Environmental
Operating Temperature: 0 °C to +60 °C
Humidity: Up to 95% RH, non-condensing
Installation Environment: Industrial control cabinet
Dimensions & Weight
Dimensions: 130 × 129.5 × 32.8 mm
Weight: 0.3 kg



