Yokogawa AAP135‑S00
- Product Name: Analog Input/Output Module for CENTUM VP DCS System
- Product Series: AAP Series Yokogawa CENTUM VP DCS I/O Modules
- Product Introduction: High‑precision analog I/O module specially designed for Yokogawa CENTUM VP/CENTUM CS3000 distributed control system, realizing multi‑channel analog signal acquisition and output control.
Detailed content
- Technical Specifications:
- Number of Channels: 8‑channel analog input/output hybrid channels
- Signal Type: Support 0‑20 mA, 4‑20 mA DC current, 0‑10 V, ±10 V DC voltage signals
- Resolution: 16‑bit A/D and D/A conversion resolution
- Measurement Accuracy: ±0.05% full‑scale precision
- Isolation Performance: Channel‑to‑system full electrical isolation (2000 V AC withstand voltage)
- Power Supply: 24 V DC (±20%) industrial power supply
- Operating Temperature: ‑20–60 °C; storage temperature ‑40–80 °C
- Certifications: CE, UL, RoHS industrial safety certifications
- Function Features: High‑precision signal acquisition and output; optocoupler electrical isolation anti‑interference design; per‑channel over‑voltage/over‑current protection; real‑time channel status LED indication; hot‑swappable modular design; compatible with DCS system internal bus communication protocol.
- Performance Parameters: Signal conversion response time < 20 ms; long‑term stability ±0.03% full scale per year; MTBF > 1,200,000 hours.
- Material Composition: High‑precision industrial PCB; copper alloy pressure‑clamp terminals; flame‑retardant ABS housing; low‑drift analog‑digital conversion chips; anti‑interference shielding components.
- Structural Characteristics: Standard DCS rack‑mount modular structure; compact 107.5×32.8×130 mm size; pressure‑clamp wiring terminals; front‑panel status indicator lights; lightweight 0.3 kg design.
- Working Principle: Collect analog signals from on‑site process transmitters, convert analog signals to digital signals via A/D converter and transmit to DCS CPU module; receive digital control signals from CPU module, convert to analog control signals via D/A converter and output to on‑site actuators.
- Advantage Highlights: Ultra‑high‑precision signal conversion; strong electrical isolation anti‑interference performance; wide industrial‑grade working temperature range; high‑reliability modular design; convenient system expansion and maintenance.
- Applicable Industries: Petrochemical industry, thermal power plants, nuclear power auxiliary control systems, pharmaceutical process control, water treatment automation, chemical refining process monitoring.
- Installation Requirements: Installed in Yokogawa standard DCS control rack; ensure good ventilation and heat dissipation; ambient temperature 0–55 °C; avoid corrosive gas and dust pollution.
- Usage Precautions: Strictly match signal input/output polarity; control per‑channel signal load within rated range; regularly inspect terminal tightness and wiring aging; avoid strong electromagnetic interference around module.












