AAV544-S50

Product Overview

 The AAV544-S50 is a high-performance Analog Input Module manufactured by Yokogawa for use in their CENTUM VP and CENTUM CS 3000 Distributed Control Systems (DCS).

Suffix Codes
-S Standard Type
 5 With no explosion protection
 E With explosion protection
 0 Basic type
 3 With ISA Standard G3 option and temperature (-20 to 70 °C) option

Technical Specifications

• Input Channels: 16 isolated analog input channels designed for independent signal acquisition from field instruments.

• Input Signal Types: Supports 4–20 mA DC current signals and 1–5 V DC voltage signals for process measurement applications.

• Electrical Limits: Maximum allowable input voltage is ±30 V DC, ensuring safe operation under abnormal field conditions.

• Input Resistance: Approximately 250 Ω when used with external shunt resistor for current input, and 1 MΩ for voltage input measurement.

• Accuracy Performance: Measurement accuracy is within ±0.1% of full scale for high-precision signal conversion.

• Update Performance: Data refresh cycle is approximately 40 ms, enabling stable and timely signal processing.

• Isolation Characteristics: Channel-to-channel isolation resistance is 100 MΩ or higher at 500 V DC, improving noise immunity and safety.

• Withstand Voltage: 1500 V AC between input terminals and system, and 500 V AC between individual input channels.

• Power Consumption: Maximum current consumption is 450 mA at 5 V DC supply.

• Mechanical Data: Approximate weight is 0.38 kg (0.84 lbs), designed for rack or node mounting in FCU or I/O units.

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