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Technical specifications for CP40B
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Manufacturer:Invensys
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Product Category:DCS Systems
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Spare Part Number:CP40B
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Estimated shipping dimensions:3.5x45x23cm
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Weight:1.2 kg
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Tariff Code:8537101190
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Counliy of origin:USA
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Processor style:Control Processor 40, Style B
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Control functions:Regulatory, logic, timing and sequential control
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Performance:Fast processor with large block capacity
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Fault tolerance:Two CP40B modules in parallel
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Communications:Separate Nodebus and Fieldbus paths for the pair
Information
Overview
Manuals
Common Applications
Product Precautions
Foxboro CP40B combines Style B hardware with high block-processing performance, expanded memory and optional fault-tolerant operation.
- Provides a single CP40B or matched CP40B fault-tolerant pair for its control processor 40 style b function.
- Handles high-capacity process control and I/O coordination through the documented Foxboro system path.
- Works with the Style B enclosure and its controlled network and Fieldbus interfaces.
- Front indicators report processor startup status and support diagnostic interpretation.
The control processor 40 style b belongs in the controlled Foxboro architecture and works with the Style B enclosure and its controlled network and Fieldbus interfaces. Its mating hardware, wiring, database configuration and final response must be checked together before release.
Important Notice: Use CP40B only with the Style B enclosure and its controlled network and Fieldbus interfaces; verify every interface and the controlled project configuration before energizing or pressurizing the subsystem.
Foxboro CP40B Manuals & Downloads
Foxboro CP40B Official Technical Reference Excerpt (PDF)Foxboro CP40B Installation & Commissioning Guide (PDF)
The first document covers the product function, system role and technical selection. The installation guide covers identification, connection checks, commissioning and the acceptance record.
System maintenance
Restores the documented control processor 40 style b function in an existing Foxboro control system.
Signal-path service
Supports controlled testing of high-capacity process control and I/O coordination at the assigned system position.
Planned replacement
Provides an exact-identity replacement path after the Style B enclosure and its controlled network and Fieldbus interfaces has been verified.
Commissioning
Allows the responsible engineer to prove configuration, diagnostics and response for a single CP40B or matched CP40B fault-tolerant pair.
Before installing Foxboro CP40B, confirm the documented system, interfaces and controlled configuration.
1
Match the complete CP40B marking to the work order and installed position before removal.
2
Confirm the Style B enclosure and its controlled network and Fieldbus interfaces before disconnecting any interface.
3
Keep high-capacity process control and I/O coordination within the documented electrical or pneumatic range.
4
Record terminal designations, polarity, common, shield and cable routing before disconnection.
5
Inspect mounting, connector keying, terminal condition and retention hardware before installation.
6
Restore the controlled database, range, alarm, filter and fail-state settings before energization.
7
Review local indicators and controller diagnostics during the controlled startup sequence.
8
Prove the intended response across a single CP40B or matched CP40B fault-tolerant pair and record the acceptance result before release.
Technical notes
Use CP40B only with the Style B enclosure and its controlled network and Fieldbus interfaces; verify every interface and the controlled project configuration before energizing or pressurizing the subsystem.
FAQ View All FAQ
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Which modules form a fault-tolerant Foxboro CP40B station?Both positions use CP40B modules operating in parallel.
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What performance features define Foxboro CP40B?The Style B processor provides a fast CPU and large memory capacity for increased block processing.
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Which field communication paths are duplicated on Foxboro CP40B?The fault-tolerant pair has separate Nodebus and Fieldbus connections.
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How does Foxboro CP40B report a startup problem?Red and green front indicators reflect the result of power-up self-check phases.
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What continuous diagnostic mechanism does Foxboro CP40B use?Run-time checks and a watchdog timer monitor processor functions during operation.
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Can Foxboro CP40B be selected from the CP40 name alone?No. The Style B identity, enclosure and project compatibility must all be confirmed.
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Which configuration evidence should be saved before removing Foxboro CP40B?Preserve the control database, station identity, network interfaces, Fieldbus allocation and fault-tolerant pairing.
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What acceptance test covers the complete Foxboro CP40B processor path?Confirm both network paths, Fieldbus I/O, alarm notification and representative regulatory and sequence blocks.
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