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Technical specifications for CP60 P0961FR
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Manufacturer:Invensys
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Product Category:DCS Systems
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Spare Part Number:CP60 P0961FR
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Estimated shipping dimensions:3.3x44.5x22.6cm
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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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Control processor clock:133 MHz
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Memory capacity:8 MB
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Memory correction:ECC; single-bit error detection and correction
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Ethernet trunk standard:10BASE2
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Trunk transmission rate:10 Mbps
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Module Fieldbus via FCM:2 Mbps; HDLC, EIA RS-485
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Module Fieldbus via FBI10E/DCM10E:268.75 kbps; HDLC, EIA RS-485
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Maximum FBM allocation:120 per CP60; scan-period dependent
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Maximum configured blocks:4000; scan-period and block-type dependent
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FCM10E/FCM10Ef group limit:30 FBMs per interface or redundant pair
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FBI group limit:24 FBMs per interface or redundant pair
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Trunk interface-module limit:30 FCM/DCM/WFCM/FBI modules in total
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10BASE2 coaxial segment limit:185 m
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Optical extension limit:2 km per extension
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Coaxial trunk segment arrangement:Up to 3 segments joined by 2 optical extensions
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CP60-to-farthest-FBM path limit:20 km combined coaxial and optical path
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Y-Module Fieldbus cable limit:10 m
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Typical input voltage:39 V DC
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Maximum power per module:15 W
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Operating temperature:0 to +60 °C
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Operating humidity:5–95% RH, noncondensing
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Operating altitude:-300 to +3000 m
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Storage temperature:-40 to +70 °C
Information
Overview
Manuals
Common Applications
Product Precautions
Foxboro CP60 P0961FR coordinates distributed I/O in direct or active-star networks, allowing the control station and its field interfaces to be separated across an extended installation.
- Operates as a single processor or as one member of a fault-tolerant pair.
- Uses ECC memory with single-bit error detection and correction.
- Runs power-up, run-time and watchdog diagnostic checks.
- Provides a recessed front reset button for a module reboot.
DIN-rail FBMs and Y-Module FBMs use different downstream communication arrangements. The selected FCM, DCM or FBI interface connects these devices to the Ethernet trunk while preserving the appropriate module-Fieldbus rate.
Important Notice: Size the application using its scan periods and block types; the maximum block and FBM counts are ceilings rather than simultaneous performance guarantees.
Foxboro CP60 P0961FR Manuals & Downloads
Foxboro CP60 P0961FR Manufacturer Technical Reference — Selected Pages (PDF)Foxboro CP60 P0961FR Installation & Commissioning Guide (PDF)
The reference excerpt covers processor functions and numerical limits. The installation guide develops application sizing, network layout and processor-service checks.
Distributed process regulation
Execute regulatory loops while the associated FBMs acquire measurements and drive field actuators.
Sequenced process operations
Combine logic and timing with sequential control for coordinated operating steps.
Fault-tolerant control stations
Use parallel processors where the installed architecture requires continued control after a processor hardware fault.
Extended I/O networks
Arrange direct or active-star communication paths to reach separated FBM groups within the cable and capacity limits.
Review workload, fieldbus paths and the processor pairing before servicing Foxboro CP60 P0961FR.
1
Count configured compounds and ECBs when reviewing the processor block budget.
2
Check the required scan periods before adding more FBMs to the station.
3
Reserve adjacent slots and the interconnecting connector for a fault-tolerant pair.
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Keep Nodebus and Ethernet trunk connections identified as separate networks.
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Measure both individual cable segments and the complete path to the farthest FBM.
6
Allow for each processor's 15 W maximum consumption in the supply assessment.
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Place the process in its approved maintenance condition before using the reset button.
8
Resolve diagnostic indications and confirm normal paired operation after processor service.
Technical notes
HIUs, mass flowmeters and panel display stations count toward the FBM allocation. The 4000-block ceiling includes control blocks, ECBs, compounds and data blocks, so include infrastructure objects in the application count.
FAQ View All FAQ
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Why can the 120-FBM ceiling of Foxboro CP60 P0961FR decrease in a particular application?The usable FBM allocation depends on the selected scan periods. The application must be sized for its required execution workload rather than treating 120 FBMs as an unconditional operating capacity.
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Do compounds and ECBs consume the block allowance in Foxboro CP60 P0961FR?Yes. The 4000-block maximum includes all configured block types, including compounds, ECBs, control blocks and data blocks. Scan periods and block-type selection also affect the usable application size.
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How does Foxboro CP60 P0961FR identify a failed processor in a fault-tolerant pair?Both modules process information in parallel and compare communication messages at their external interfaces. When a fault is detected, self-diagnostics determine the defective module and the non-defective module assumes control.
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Can Foxboro CP60 P0961FR use the same downstream rate for DIN-rail and Y-Module FBMs?The downstream rate depends on the interface. The FCM path uses a 2 Mbps HDLC module Fieldbus, while the FBI10E or DCM10E path uses 268.75 kbps HDLC. The controller-facing Ethernet trunk operates at 10 Mbps.
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Which cable limits apply together on an extended Foxboro CP60 P0961FR trunk?A 10BASE2 coaxial segment is limited to 185 m and each optical extension to 2 km. These individual limits also remain subject to the 20 km maximum combined path from the CP60 to the farthest FBM.
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What changes when the front reset button on Foxboro CP60 P0961FR is pressed?The recessed button forces a module power-off and power-on sequence, rebooting that processor without removing it from the enclosure. Its effect on process availability depends on the installed control and redundancy arrangement.
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Does the memory in Foxboro CP60 P0961FR correct a single-bit error?Yes. The 8 MB memory uses ECC that detects and corrects single-bit errors. This memory function is separate from the processor's power-up, run-time and watchdog diagnostics.
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Where must the two modules of a fault-tolerant Foxboro CP60 P0961FR station be mounted?The two processor modules must occupy adjacent mounting-structure slots so that the interconnecting fault-tolerant connector can be fitted between them.
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