Yokogawa AAI835-S00 Analog Input/Output Module

Overview

The Yokogawa AAI835-S00 is a versatile analog input/output module for CENTUM VP and CENTUM CS 3000 systems. It provides 4 isolated analog input channels and 4 isolated analog output channels. The module efficiently monitors and controls process variables such as temperature, pressure, flow, and level. Its high accuracy and fast response make it suitable for demanding industrial automation applications. The robust design ensures reliable operation in harsh environments.

Technical Specifications

• Model Number: AAI835-S00

• Module Type: Analog Input/Output Module

• Input Channels: 4 isolated analog inputs

• Output Channels: 4 isolated analog outputs

• Signal Type: 4–20 mA DC for input and output

• Input Current Range: –20 to 22 mA

• Output Current Range: 4 to 20 mA

• Load Impedance: 250 Ω

• Accuracy: ±0.1% of full scale

• Resolution: 12-bit

• Response Time: < 2 seconds (60% full scale step)

• Isolation Voltage: 2500 V between channels

• Power Supply: 24 V DC

• Power Consumption: Approx. 10 W

• Operating Temperature: –20°C to +60°C

• Humidity Range: 5% to 95% RH, non-condensing

• Protection Rating: IP67

• Dimensions (W × H × D): 115 × 180 × 35 mm

• Weight: 0.4 kg

• Communication Protocol: HART supported