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Phone: +86 16626708626Description
The YOKOGAWA AIP171 serves as the backbone for Yokogawa’s redundant I/O subsystem, interfacing between field devices and CENTUM VP controllers. Each module houses the electronics for signal processing and conversion, sliding into a redundant pair of I/O units (AIP501/AIP511) that provide power and communication paths. The module employs dual-redundant processors that continuously cross-check each other, with automatic switchover to the backup processor if discrepancies are detected. Field wiring connects to robust terminal blocks designed for high-vibration environments, while optical isolation protects sensitive electronics from ground loops and surges.
AIP171
Technical specifications:
Model Number AIP171
Brand Yokogawa
Type Redundant I/O Module Platform
Supported Signals Configurable for AI/AO/DI/DO
Redundancy Dual-processor architecture
Isolation 1500V AC channel-to-channel
Operating Temp Range -20°C to +60°C
Mounting AIP501/AIP511 I/O Unit
Hot Swap Capability Yes
Diagnostics Continuous self-test, fault logging
Compliance IEC 61131-2, CE, ATEX
MTBF >300,000 hours
contact us:
Phone:+86 16626708626
WeChat/WhatsApp:+86 16626708626
Email: 3772179818@qq.com
AIP171
Main features and advantages:
Plant operators choose the YOKOGAWA AIP171 for its unparalleled system availability and reduced lifecycle costs. The redundant design eliminates single points of failure – when combined with redundant controllers and networks, it achieves 99.9999% availability. Maintenance teams appreciate the hot-swap capability that allows module replacement during normal operations, along with detailed diagnostics that pinpoint failing components before they cause outages. For engineers, the universal I/O platform simplifies spares management, as the same module type supports multiple signal types through configuration rather than hardware changes. The module’s high noise immunity ensures accurate measurements even in electrically harsh substation or turbine deck environments, while its compliance with international standards simplifies global deployment.
AIP171
Application areas:
In offshore platforms, the AIP171 reliably processes safety-critical signals from wellhead pressure sensors and emergency shutdown valves despite salt spray and vibration. Power plants utilize its redundancy for turbine control systems where unplanned downtime could cost $500k/hour. Pharmaceutical manufacturers benefit from its accuracy in batch process control, where precise temperature and pH measurements are essential for product quality. The module is particularly valuable in applications requiring mixed signal types – a single redundant pair can handle analog inputs from flow meters, digital outputs to motor starters, and pulse inputs from turbine speed sensors.
Related products:
AIP172 – Enhanced version with faster scan times
AIP161 – Non-redundant version for non-critical applications
AAI143 – Dedicated analog input module for high-density applications
ADV161 – Digital input module for safety systems
AAV141 – Analog output module for control valve applications
Installation and maintenance:
When installing the AIP171, first verify the firmware compatibility with your CENTUM VP version (R5.03 or later recommended). Allocate sufficient space around modules for proper heat dissipation – Yokogawa recommends at least 50mm clearance above and below. During commissioning, use the I/O Builder software to configure signal types and scaling parameters. For maintenance, regularly check the module status LEDs and review diagnostic logs through the Engineering Station. Yokogawa recommends annual verification of signal accuracy and inspection of terminal block tightness, with more frequent checks in high-vibration environments. Always use static-safe procedures when handling modules, and maintain proper grounding of the I/O unit.
Other product models of Yokogawa:
YOKOGWA AFV30D-A41252
Yokogawa SCP451-51
YOKOGWA TDLS8000
YOKOGWA 2104B2081
YOKOGWA AIP830-111/VESA
YOKOGWA AFV30D-A41152
YOKOGWA AAI143-H50/K4A00
YOKOGWA AAP135-S50
YOKOGWA ANB10D-415/CU2T
YOKOGWA ANB10D-415/CU2N
