The Emerson P155.R4, Order No. DA7281440) is a high-performance intelligent mixed I/O acquisition card customized for Daniel Spectra 600 and FloBoss S600+ flow computers. It integrates multi-channel analog, temperature and digital signal acquisition and output, and supports HART protocol communication. Featuring high precision, excellent stability and wide temperature adaptability, the card realizes one-stop collection and closed-loop control of on-site process signals such as pressure, flow, temperature and valve position.
As a core expansion accessory of Emerson natural gas flow metering systems, it is widely used in oil and gas custody transfer metering and industrial process monitoring. The R4 hardware revision is a mature version with strong anti-interference capability, suitable for harsh industrial environments, compliant with industrial metering standards and explosion-proof cabinet installation requirements, and mainly used for signal expansion, spare parts replacement and system capacity expansion of S600+ flow computers.
Technical Specifications（English Parameters）
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Item
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Specification
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Model
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P155.R4
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Device Type
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Intelligent Mixed I/O Data Acquisition Card
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Compatible Device
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Daniel Spectra 600 / FloBoss S600+ Flow Computer
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Analog Input (AI)
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8-channel 4-20mA with HART, 24-bit Σ-Δ ADC, Accuracy: ±0.05%FS
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Analog Output (AO)
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4-channel active 4-20mA, 16-bit DAC, Accuracy: ±0.08%FS
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RTD Temperature Input
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4-channel 3-wire Pt100 resistance thermometer input
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Digital Input (DI)
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4-channel discrete signal input
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Signal Update Rate
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Max 5kHz, supports high-speed pulse signal acquisition
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Power Supply
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24VDC
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Power Consumption
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3.8W
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Operating Temperature
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-40℃ ~ +85℃
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Installation
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Backplane slot plug-and-play installation
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Key Features
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Custody-transfer grade precision, HART compatible, wide temperature range, high anti-interference, plug and play
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