Products Description
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Yokogawa AAT145-S50 TC/RTD Input Module Technical Specifications
| Item | Specification |
|---|---|
| Model | AAT145-S50 |
| Number of Input Channels | 16 channels, isolated |
| Supported Signal Types | TC: Types J, K, E, B, R, S, T, N; mV: -100 to 150 mV, -20 to 80 mV |
| Allowable Input Voltage | ±5 V |
| Input Resistance (ON/OFF) | ≥1 MΩ (Power ON/OFF) |
| Accuracy | ±40 µV (TC/mV); RTD: ±150 mΩ; POT: ±0.2% FS |
| Reference Junction Accuracy | ±1 °C (depends on installation conditions) |
| Max Total Source+Wiring Resistance | ≤1000 Ω |
| Temperature Drift | TC: ±80 µV/10°C; RTD: ±0.3 Ω/10°C; POT: ±0.4%/10°C |
| Data Update Period | 1 second |
| Burn-out Detection | Configurable for all channels, detection time 60 s |
| Measurement Current | 1 mA (for RTD input) |
| Withstanding Voltage | Between input and system: 1500 V AC (1 min); Between channels: 200 V AC (1 min) |
| Max Current Consumption | 350 mA (5 V DC) |
| External Connection | Dedicated KS1 cable |
| Dimensions (W×H×D) | 107.5 × 130 × 32.8 mm |
| Weight | 0.2 kg |
FAQ
Frequently Asked Questions (FAQ)
Q1: What thermocouple types are supported by AAT145-S50?
A1: It supports TC types J, K, E, B, R, S, T, and N per JIS C1602 and IEC584 standards.
Q2: Can different signal types be configured per channel?
A2: Yes, TC and mV signals can be individually set for each channel.
Q3: Are channels isolated from each other and from the system?
A3: Yes, the AAT145 provides full channel-to-channel and channel-to-system isolation.
Q4: Does it include reference junction compensation?
A4: Yes, with an accuracy of ±1 °C, varying by installation conditions.
Q5: Is sensor burn-out detection available?
A5: Yes, burn-out detection is configurable and has a detection time of 60 seconds.
Q6: Does the module support RTD inputs?
A6: Yes, Pt100 (3-wire type) RTDs are supported.
Q7: Can it accept potentiometer (POT) inputs?
A7: Yes, with total resistance between 100 Ω and 10 kΩ, and a span resistance ≥50% of total resistance.
Q8: What is the power supply requirement for the AAT145?
A8: 5 V DC with a maximum current consumption of 350 mA.
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Packing & Delivery
We will use wear-resistant cartons to seal the boxes, and take photos for your confirmation before sealing. We will pack the boxes only after confirmation.
For express delivery, we will use DHL, UPS, TNT, FedEx and EMS.
Please rest assured that we have a deep cooperation with express delivery companies and can ensure that your goods are delivered to you in good condition.
