Description

OVERVIEW The Foxboro Evo system DCS FBM family provides a migration path from the Bailey systems process input and output components to Foxboro Evo display and supervisory functions. This can save significant cost over total system replacement by preserving existing process interface and wiring, and by minimizing process downtime. No additional communication devices are required. No multi-vendor communication software licensing is required. The DCS FBM family replaces the Bailey controller and/or slave module devices. Once integrated, the process is controlled entirely by the advanced Foxboro Evo algorithm set. Bailey DCS control devices are disconnected upon migration, so there is no undesirable interaction caused by the decommissioned system. The Foxboro Evo DCS FBM product includes appropriate connectors to enable integration of original process signals to Foxboro Evo system while keeping the field interface and wiring. It provides access to all process signals connected to the Bailey system by providing the connection between the Field Termination Units (FTU) and the Foxboro Evo system. All process signals become fully integrated

 

into the Foxboro Evo system. Process data is used for operator display, history, alarming and control. Operator functions and engineering configuration are accomplished by the Foxboro Evo system. Because all process values become part of the Foxboro Evo system, all configuration data is maintained by the system as native Foxboro Evo configurations. This migration path provides plant operations with the power and flexibility of the Foxboro Evo system. All process values can be used plant wide for control, display, history, alarming, and information management from a single vendor source. FEATURES Key features of the Foxboro Evo system DCS FBMs are:  DCS FBMs plug directly into an existing Bailey module mounting unit (nest) to replace controller and slave module cards  Migration from proprietary DCS to a state-of-theart open Foxboro Evo system  Advanced Foxboro Evo system control with single point of configuration  More direct control performance than any gateway device offers  Single vendor service and supply. FUNDAMENTAL PRINCIPLE Foxboro® believes that it is only acceptable to interface with competing manufacturers’ operating systems at the lowest level, directly to field devices, without communicating with proprietary buses or components. The Foxboro migration product offerings adhere to this principle. PRODUCT DESCRIPTIONS Foxboro Evo system DCS FBMs for Bailey systems allow migration to Foxboro Evo control, display, and application products while retaining original process terminations and field I/O wiring. All original process I/O capability of the Bailey Controller Module (CM), Analog Slave Module (ASM), Analog Output Module (AOM), Digital Slave Module (DSM), Controller Interface Slave Module (CIS), and Multifunction Controller Module (MFC) functions is replaced by direct Foxboro Evo control processor scanning and control. DCS FBMs plug directly into existing Bailey module mounting units in place of Bailey controller and slave module cards. The DCS FBMs pass process measurement and output signals to and from a Foxboro Evo control processor, which provides control in place of the Bailey controllers. This saves customers significant cost over a total system replacement by preserving existing process interfaces and wiring, and by minimizing process downtime. The following Foxboro Evo control processors can be implemented:  Field Control Processor 280 (FCP280)  Field Control Processor 270 (FCP270)  Control Processor 60 (CP60)  Z-Module Control Processor 270 (ZCP270) with FCM100E. The FCP280 and FCP270 offer direct connection of the DCS FBMs to the Fieldbus, while the ZCP270 connects to the FBMs through the FCM100E modules. The CP60 requires redundant DCM10E or DCM10Ef modules to communicate with the DCS FBMs. The FCP280, FCP270, ZCP270 and CP60 with the DCM10E/Ef modules can be located in a nearby existing enclosure or Foxboro Evo enclosure and the fieldbus extended to connect the modules to the Fieldbus Isolators (BFBI) located in a Bailey MMU. Migration with FCP280 and DCS FBMs The Field Control Processor 280 (FCP280) is a distributed, field-mounted controller module that supports up to 128 DCS FBMs (depending on selected scan periods). The FCP280 supports up to four HDLC Fieldbuses and each HDLC Fieldbus can have a dedicated network with up to 64 DCS FBMs (provided the total 128 FBM limit is not exceeded).(https://www.weikunfadacai1.com/)

 

The FCP280 connects to The Foxboro Evo Control Network (the control network) via optionally redundant 100 Mbps Ethernet fiber optic cables and Ethernet fiber switches. The FCP280 is an optionally fault-tolerant controller that communicates with connected DCS FBMs to perform data acquisition and control using Foxboro Evo control algorithms. The FCP280 mounts in a baseplate that supports a single module or a fault-tolerant module pair. A single/redundant FCP280 requires 24 V dc power from single/redundant power supplies. For the DCS FBMs, one or more HDLC Fieldbus ports on the FCP280’s baseplate connect to an optionally redundant 268 Kbps Fieldbus for communications to the DCS FBMs and provide galvanic isolation between the 100 Mbps control network and the 268 Kbps local Fieldbus. Fault-tolerant FCP280 modules connect to a pair of network adapters that connect to Ethernet switches in a redundant control network. The network adapters pair mount in the same baseplate as the FCP280s. To support fault tolerance, a pair of FCP280s must be used for each DCS FBM grouping. In non-fault tolerant configurations, only a single FCP280 is required for each grouping. The maximum total cable length for the 268 Kbps Fieldbus is 60 m (198 ft) within a grouping. For more information on the FCP280, refer to PSS 31H-1FCP280. Migration with FCP270 and DCS FBMs The Field Control Processor 270 (FCP270) is a distributed, field-mounted controller module that supports up to 64 DCS FBMs (depending on selected scan periods). The FCP270 connects to The Foxboro Evo Control Network (the control network) via optionally redundant 100 Mbps Ethernet fiber optic cables and Ethernet fiber switches. The FCP270 is an optionally fault-tolerant controller that communicates with connected DCS FBMs to perform data acquisition and control using Foxboro Evo control algorithms. The FCP270 mounts in a Modular Baseplate that supports a single module or a fault-tolerant module pair. The Modular Baseplate accepts only FCP270 modules. A single/redundant FCP270 requires 24 V dc power from single/redundant power supplies. The FCP270 connects to an optionally redundant 268 Kbps Fieldbus for communications to the DCS FBMs and provides galvanic isolation between the 100 Mbps control network and the 268 Kbps local Fieldbus. Fault-tolerant FCP270 modules connect to a pair of fiber optic splitter/combiners that connect to Ethernet switches in a redundant control network. The splitter/combiner pair mounts in an assembly that fastens to the baseplate. To support fault tolerance, a pair of FCP270s must be used for each DCS FBM grouping. In non-fault tolerant configurations, only a single FCP270 is required for each grouping. The maximum total cable length for the 268 Kbps Fieldbus is 60 m (198 ft) within a grouping. For more information on the FCP270, refer to PSS 21H-1B9.

Migration with ZCP270/FCM100E and DCS FBMs The Z-Module Control Processor 270 (ZCP270) is an optionally fault-tolerant, Z-form factor controller that supports up to 128 DCS FBMs (depending on selected scan periods) when used with the FCM100E module. The ZCP270 connects to the control network via optionally redundant 100 Mbps Ethernet fiber optic cables and Ethernet fiber switches. The ZCP270 communicates with connected DCS FBMs through the FCM100E to perform data acquisition and control using Foxboro Evo control algorithms. The fault-tolerant version of the ZCP270 consists of two single-width processor modules. These modules install in adjacent ZCP270 slots in a 1×8 or 2×8 mounting structure and connect to a fault-tolerant connector to allow for high-speed communication between the modules. The mounting structure may connect directly to the FCM100E. The FCM100E connects to an optionally redundant 268 Kbps Fieldbus for communications to the DCS FBMs and provides galvanic isolation between the 100 Mbps control network and the 268 Kbps local Fieldbus. Fault-tolerant ZCP270 modules connect to a pair of fiber optic splitter/combiners that connect to Ethernet switches in a redundant control network. The splitter/combiner pair mounts in an assembly that fastens to an adjacent DIN rail. To support redundancy, a pair of ZCP270s must be used for each DCS FBM grouping. In non-redundant configurations, only a single ZCP270 is required for each grouping. The maximum total cable length for the 268 Kbps Fieldbus is 60 m (198 ft) within a grouping. For more information on the ZCP270, refer to PSS 21H-1B10. For more information on the FCM100E, refer to PSS 21H-2Y11 B4. Migration with CP60 (and DCM10E/Ef) to DCS FBMs The DCM10E is a communications interface which allows the DCS Fieldbus Modules to communicate with the CP60 via the high speed, optionally redundant, 10 Mbps Ethernet Fieldbus. The DCM10E converts 10 Mbps Ethernet signals used by the control station to 268 Kbps signals used by the DCS Fieldbus Modules, and vice versa. The DCM10E also provides galvanic isolation between the 10 Mbps Ethernet Fieldbus and the 268 Kbps local Fieldbus. The DCM10Es are used in pairs for redundancy. A DCM10E (or pair of DCM10Es) can support up to 64 DCS Fieldbus Modules. Up to 30 DCM10E pairs can be connected to the Ethernet Fieldbus. The maximum total number of DCS FBMs on one CP60 is 120 (depending on selected scan periods). The DCM10Ef Fieldbus Communications Module is a fiber optic communications interface which allows the DCS Fieldbus Modules to communicate with the CP60 over extended distances using fiber optic cabling. The DCM10Ef provides expanded networking, easy customizing, and greater overall cabling distances in a fiber optic network. This configuration is ideally suited for sites in which groups of DCS Fieldbus Modules are to be spread apart over greater distances. DCM10Ef modules are used with multiport fiber optic converters (hubs), which connect to the CP60 via the high speed, optionally redundant, 10 Mbps Ethernet Fieldbus. Up to six groupings of baseplate-mounted DCM10Ef modules and DCS Fieldbus Modules can be linked to each optionally redundant hub, for a maximum of 120 DCS Fieldbus Modules per CP60 (depending on selected scan periods). To support redundancy, a pair of DCM10Ef modules must be used for each DCS Fieldbus Module grouping. In non-redundant configurations, only a single DCM10Ef is required for each grouping. Signal transmission distances up to 2 kilometers

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