Product Short Description
Manufacturer: Yokogawa Electric Corporation (Japan)
Product Overview:
The AIP831-101 is an 8-channel analog input module for the Yokogawa CENTUM VP / CENTUM CS3000 DCS. It accepts 4–20 mA DC signals and provides high-precision A/D conversion with channel-to-channel isolation.
Description
Technical Specifications:
| Parameter | Value |
|---|---|
| Channel Count | 8 channels |
| Input Signal | 4–20 mA DC (2-wire, loop-powered) |
| Resolution | 16-bit A/D converter |
| Accuracy | ±0.1% of span |
| Isolation | 500V DC between channels, 500V DC channel-to-bus |
| Sampling Rate | 100 ms (all channels) |
| Power Supply | 24V DC from I/O bus |
| Communication | Yokogawa proprietary bus (Vnet/IP for CENTUM VP) |
| Operating Temp | 0°C to +55°C |
| Mounting | DIN rail in I/O station |
| Certifications | CE, FM, CSA, ATEX Zone 2 |
Functional Features:
- Per-channel configuration — range, filter, engineering units
- Burnout detection — sensor wire break/short detection
- Open/short circuit alarm per channel
- Hot-swappable — replacement without system shutdown
- LED indicators — power, communication, channel status per channel
Applicable Industries: Oil & Gas, Chemical, Petrochemical, Power, Pharmaceutical, Food & Beverage
Key Advantages:
- Yokogawa’s proven reliability — 30+ years in DCS market
- High channel density — 8 channels in compact module
- Full isolation ensures noise immunity in electrically noisy environments
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