AAR145-S03_YOKOGAWA_PRODUCT_吉林易择科技技术发展有限公司

The YokogawaAAR145-S03 is a 16-channel isolated input module designed for connecting RTDs (Resistance Temperature Detectors) and potentiometers. It offers high accuracy, stable measurement, and robust electrical isolation, making it suitable for temperature and position sensing applications in demanding industrial control systems. The module supports redundancy and is available with environmental options such as extended operating temperature range and corrosion resistance.

Grace +86 13600179521

DESCRIBE

Technical Specifications

Input Channels: 16, isolated

Input Types:

RTD (Pt100, 3-wire)

Potentiometer (100 Ω to 10 kΩ, span ≥ 50%)

Measurement Current: 1 mA for RTD

Accuracy:

RTD: ±150 mΩ

Potentiometer: ±0.2% FS

Input Resistance (power ON/OFF): ≥ 1 MΩ

Allowable Input Voltage: ±5 V

Allowable Lead Resistance:

RTD: ≤ 150 Ω per wire

Potentiometer: ≤ 1 kΩ

Isolation Voltage:

Input-to-system: 500 V AC (1500 V AC for single card option)

Channel-to-channel: 200 V AC

Temperature Drift:

RTD: ±0.3 Ω /10 °C

Potentiometer: ±0.4% /10 °C

Data Update Period: 1 second

Burn-out Detection: Configurable for all channels, detection time ~60 s

Power Consumption: Approx. 350 mA (5 V DC)

Environmental Options:

Corrosion resistance: ANSI/ISA G3

Operating temperature: –20 °C to +70 °C

Weight: ~0.3 kg

Dimensions: ~32.8 mm × 127.2 mm × 130 mm

Connection Interface: Dedicated cable connection (e.g., KS8/AKB335)

Redundancy: Supports dual-redundant configuration

SERVICE HOTLINE Grace +86 13600179521

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