Product Description
Product Overview
The Yokogawa AAR145-S50 S1 is an RTD/POT Input Module designed for precise signal acquisition in industrial control systems. Part of the TC/RTD Input Modules series, this 16-channel module accepts signals from resistance temperature detectors (RTD) and potentiometers (POT), with isolation between the field and system as well as between each channel. Suitable for dual-redundant configurations, it offers robust performance for temperature and position monitoring applications.
Technical Information
| Item | Specifications |
|---|---|
| Manufacturer | Yokogawa |
| Model/Part Number | AAR145-S50 S1 |
| Description | RTD/POT Input Module |
| Number of Input Channels | 16, isolated channels |
| Input Signal | RTD: JIS C1604:1997 (*3), IEC751:1995 Pt100 (3-wire type) POT: Total resistance 100 Ω to 10 kΩ, Span resistance 50% or larger of total resistance |
| Switching Input Signals | RTD/POT can be selected individually for CH1 to CH16 |
| Allowable Input Voltage | ±5 V |
| Withstanding Voltage | Between input and system: 500 V AC (for single card: 1500 V AC), 1 minute Between input channels: 200 V AC, 1 minute |
| Input Resistance | Power ON: 1 MΩ or larger Power OFF: 1 MΩ or larger |
| Accuracy | RTD: ±150 mΩ POT: ±0.2 %/FS |
| Allowable Total Resistance of Signal Source Plus Wiring | 150 Ω or less (wiring resistance per wire) (*4) |
| Measurement Current | RTD: 1 mA |
| Data Update Period | 1 s |
| Burn-out | All channels can be set together Setting: Not available/Available (UP/DOWN) Detection time: 60 s |
| Temperature Drift | RTD: ±0.3 Ω/10 °C POT: ±0.4 %/10 °C |
| Maximum Current Consumption | 350 mA (5 V DC) |
| Weight | 0.3 kg |
| External Connection | Dedicated cable (KS8/AKB335) |
Model and Suffix Codes
- Model: AAR145 RTD/POT Input Module (16-channel, Isolated channels)
- 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
Specific Configuration
- Model/Part Number: AAR145-S50 S1
- Configuration Details:
- -S: Standard type
- 5: With no explosion protection
- 0: Basic type
- S1: Likely a variant or typo; interpreted as a possible error for "0" (Basic type), with "S" potentially redundant or an additional designation not listed in suffix codes
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