4200N | Invensys Remote control fiber expansion

All diagnostic fault information is accessible by the control program andthe operator. The program or the operator can use diagnostic data to modify control actions or direct maintenance procedures. Other key features of the Tricon controller that ensure the highest possible system integrity are:• No single point of failure• Ability to operate with 3, 2 or 1 Main Processor before shutdown• Fully implemented and transparent triplication• Comprehensive system diagnostics• Complete range of I/O modules• Dual and single I/O modules for safety-critical points with a limited need for availability• Remote I/O up to 7.5 miles (12 kilometers) away from MPs• Simple, online module repair• Unsurpassed reliability and availability