Description
Product Overview
The CP345-S1 (CP345S1) is a precision-engineered analog input module specifically developed for the Yokogawa CENTUM CS 3000 distributed control system (DCS). This hardware interface allows for the seamless integration of field signals into the control network, ensuring high-integrity data acquisition for critical industrial processes. It is optimized for environments requiring dense channel counts without compromising on signal isolation or conversion speed.
Technical Specifications
The following data outlines the electrical and environmental parameters for the CP345-S1 (CP345S1). Please note that while some documentation suggests a shipping weight of 2000g, the module net weight is approximately 0.7kg.
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Channel Density: 16 isolated channels
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Input Signal Types: Voltage (plus/minus 10V), Current (plus/minus 20mA), Low Voltage (plus/minus 50mV)
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A/D Conversion Resolution: 16-bit
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Measurement Accuracy: plus/minus 0.05 percent of full span
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Common Mode Rejection Ratio (CMRR): greater than 100dB
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Normal Mode Rejection Ratio (NMRR): greater than 80dB
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Temperature Drift Coefficient: plus/minus 0.005 percent per degree Celsius
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Operating Temperature Range: 0 to 55 degrees Celsius
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Allowable Ambient Humidity: 10 to 90 percent RH (non-condensing)
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Physical Dimensions: 120mm x 90mm x 220mm
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Power Consumption: Approximately 450mA at 5V DC
Application Scenarios
The CP345-S1 (CP345S1) is typically deployed in heavy industries where reliable sensor feedback is mandatory. Common applications include:
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Refinery process monitoring (flow and pressure loops)
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Power plant thermal data acquisition
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Chemical reactor temperature control via 4-20mA or mV transmitters
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Water treatment facility remote I/O stations
Frequently Asked Questions
How does the CP345-S1 (CP345S1) handle signal noise?
The module utilizes a high CMRR of over 100dB and a 16-bit resolution architecture to filter out electromagnetic interference and maintain signal purity in noisy industrial environments.
Is the CP345-S1 (CP345S1) hot-swappable?
When used within the standard CENTUM CS 3000 I/O nest configurations, these modules support online replacement, though specific system bus rules should be followed to maintain process continuity.
