Triconex 8112 High Density Main Chassis

– Frequently Asked Questions (FAQ)

Q1: What is the Triconex 8112 used for?
A1: The Triconex 8112 is used as a Remote Expansion Chassis (RXM) in Tricon fault-tolerant control systems for remote I/O locations requiring high reliability and long-distance communication up to 12 km.

Q2: How many I/O modules can the 8112 support?
A2: It supports up to six logical slots for various I/O modules, along with a blank slot used for system configuration or future expansion.

Q3: What type of power modules are compatible with the 8112?
A3: It supports dual-redundant power modules of 24 VDC, 115 VAC, or 230 VAC, each rated at 175 W.

Q4: What makes the 8112 fault-tolerant?
A4: The use of triplicated I/O communication, redundant power supplies, and optional hot-spare modules ensures no single point of failure disrupts system operation.

Q5: Can I use the 8112 chassis for local I/O expansion?
A5: No, the 8112 is specifically designed for remote expansion using fiber-optic RXM modules. For local expansion, use models like 8111.

Q6: Is the 8112 certified for use in safety-critical applications?
A6: Yes, it is certified under international standards including SIL 3 (IEC 61508), making it suitable for critical safety and shutdown systems.

Q7: How is communication handled between the 8112 and the main processor?
A7: Communication is handled via three fiber-optic channels (legs A, B, C) using RXM or SRXM modules depending on the required distance and noise immunity.

Q8: Can modules be replaced while the system is running?
A8: Yes, the Triconex 8112 supports online repair and hot-swapping of modules, minimizing downtime during maintenance.

8112 High Density Main Chassis Triconex

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