Yokogawa AIP171

Description

1. Product Overview

2. Product Parameters

2.1 Core Communication Specifications

• Supported Protocols: Ethernet/IP, Modbus TCP/IP, OPC UA, FOUNDATION Fieldbus H1, HART IP, PROFIBUS DP
• Physical Interfaces: 2× Gigabit Ethernet ports (1000BASE-T), 1× RS-485 port, 1× Fiber Optic port (optional)
• Data Transfer Rate: 1 Gbps (Ethernet), 12 Mbps (PROFIBUS DP), 31.25 kbps (FOUNDATION Fieldbus H1)
• Connection Capacity: Up to 64 concurrent client connections (OPC UA), 32 Fieldbus devices (H1)
• Redundancy: 1:1 hot standby support for Ethernet ports, automatic failover (<50 ms)

2.2 Electrical Parameters

• Power Supply: 24 VDC ±10% (from CENTUM VP backplane)
• Power Consumption: ≤20 W (normal operation), ≤5 W (standby mode)
• Isolation: 2500 VAC between communication interfaces and backplane, 1500 VAC between Ethernet ports
• Surge Protection: IEC 61000-4-5 compliant (2 kV for Ethernet, 1 kV for RS-485)

2.3 Environmental & Mechanical Parameters

• Operating Temperature: 0°C to +55°C
• Storage Temperature: -20°C to +70°C
• Relative Humidity: 5%–95% (non-condensing, no dew formation)
• Protection Rating: IP20 (rack-mounted in control cabinet)
• Dimensions: 100 mm × 260 mm × 45 mm (L×W×H)
• Mounting: Yokogawa CENTUM VP S2 I/O racks (7-slot or 14-slot)

2.4 Certification & Compatibility

• Certifications: CE, UL 61010-1, ATEX II 2G Ex ib IIC T4, IECEx, SIL 2 (per IEC 61508)
• Compatible Systems: Yokogawa CENTUM VP DCS, ProSafe-RS SIS, Exaquantum PIM, third-party PLCs (Siemens, Allen-Bradley)
• Diagnostic Features: LED status indicators, error logging, remote diagnostics via CENTUM VP Engineering Environment
• Software Compatibility: CENTUM VP CEE, VP Conductor, Exa Operation HMI

3. Advantages & Features

1. Multi-Protocol Support: YOKOGAWA AIP171 integrates Ethernet/IP, Modbus TCP/IP, OPC UA, and Fieldbus protocols, eliminating the need for multiple specialized communication modules and reducing system complexity.
2. Redundant Communication Paths: Hot standby Ethernet ports and automatic failover ensure YOKOGAWA AIP171 maintains uninterrupted data transfer, critical for safety-critical processes (e.g., reactor control, emergency shutdown systems).
3. High-Speed Data Transfer: 1 Gbps Ethernet connectivity in YOKOGAWA AIP171 enables fast exchange of large datasets (e.g., process trends, alarm logs) between the DCS and PIM systems, improving operational visibility.
4. Robust Diagnostics: Real-time error logging and remote diagnostic capabilities of YOKOGAWA AIP171 simplify troubleshooting of communication issues (e.g., network outages, device disconnections), minimizing downtime.
5. Hazardous Area Compliance: ATEX/IECEx certification allows YOKOGAWA AIP171 to be installed in Zone 2/Class I, Division 2 hazardous environments, making it suitable for refineries and chemical plants.

4. Application Fields & Cases

4.1 Application Fields

• Oil & Gas: Refinery DCS-to-SIS communication, offshore platform data integration, pipeline monitoring network connectivity
• Chemical Processing: Reactor control system integration, batch process data sharing, third-party analyzer communication
• Power Generation: Turbine/generator control system connectivity, substation automation integration, renewable energy plant data aggregation
• Water Treatment: Plant-wide SCADA integration, remote monitoring of pumping stations, wastewater treatment process data exchange

4.2 Typical Cases

1. Refinery DCS-SIS Integration: A major oil refinery deployed YOKOGAWA AIP171 to connect its CENTUM VP DCS with a ProSafe-RS SIS. The module’s redundant Ethernet ports ensured continuous communication, enabling real-time safety interlocks and preventing a potential shutdown during a network failure.
2. Power Plant Data Aggregation: A 1 GW combined-cycle power plant used YOKOGAWA AIP171 to integrate turbine control systems, boiler management systems, and an Exaquantum PIM platform. The module’s OPC UA support enabled seamless data sharing, improving plant efficiency by 2% through optimized process monitoring.
3. Chemical Plant Batch Process Control: A specialty chemical manufacturer integrated YOKOGAWA AIP171 into its CENTUM VP DCS to communicate with third-party batch controllers. The module’s Modbus TCP/IP support simplified integration, reducing setup time by 30% and improving batch consistency.

5. Competitor Comparison

6. Selection Suggestions & Precautions

6.1 Selection Suggestions

1. Protocol Requirements: YOKOGAWA AIP171 is ideal for multi-protocol integration (e.g., OPC UA + Fieldbus); for Modbus-only applications, select Yokogawa AIP172 (cost-optimized module).
2. Redundancy Needs: Choose YOKOGAWA AIP171 with fiber optic ports for long-distance, noise-immune communication (e.g., between plant buildings); standard Ethernet ports suffice for local connections.
3. Environmental Conditions: Opt for the ATEX/IECEx-certified version for hazardous areas; standard versions are suitable for non-hazardous control rooms.

6.2 Precautions

1. Network Configuration: Configure redundant Ethernet ports in hot standby mode via CENTUM VP CEE; use managed switches to ensure seamless failover for YOKOGAWA AIP171.
2. Cybersecurity Measures: Enable firewalls and access control lists (ACLs) on YOKOGAWA AIP171’s Ethernet ports; update firmware regularly to patch security vulnerabilities.
3. Installation Guidelines: Mount YOKOGAWA AIP171 in a ventilated control cabinet (temperature ≤55°C); separate communication cables from power cables to minimize EMI interference.
4. Diagnostic Monitoring: Enable real-time error logging for YOKOGAWA AIP171 and integrate with the DCS alarm system to alert operators of communication faults (e.g., lost Fieldbus connections).

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