ABB MPRC-086444-003 W/086318-0 Measurement Processing Board
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Product origin New/used
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The ABB MPRC-086444-003 (W/086318-0) is a measurement processing board assembly
The ABB MPRC-086444-003 (W/086318-0) is a measurement processing board assembly from ABB, consisting of the main processing board MPRC-086444-003 and the 086318-0 memory daughterboard (B-RAM). It is primarily used for high-precision signal acquisition, data processing, and process control, and is commonly found in ABB 800xA/Advanced series DCS systems.
I. Core Components and Positioning
Main Model: MPRC-086444-003 (Measurement Processing Board)
Daughter Board: 086318-0 (B-RAM / Battery Backup Memory Daughter Board)
Series: ABB MPRC Measurement Processing Series
System Compatibility: ABB Advant OCS / 800xA DCS Control System
Core Functions: Multi-channel analog/digital signal acquisition, high-precision A/D conversion, real-time data processing, power-off data retention
II. Hardware Specifications (MPRC-086444-003)
Channel Configuration: 32 channels in total
16 analog inputs (AI)
16 digital I/Os
Signal Range:
Analog: ±10V, ±20mA, ±50mA
Digital: 24V DC level
Conversion Accuracy: 14-bit A/D resolution
Power Supply: 24V DC (10–30V DC)
Physical Characteristics:
Dimensions: 67.5mm × 122.5mm
Weight: Approx. 0.7kg
Onboard: High-precision operational amplifier, filter circuit, opto-isolation
Protection: Industrial three-proof coating, resistant to dust, moisture, and corrosion
Environment: -20°C ~ +60°C
III. 086318-0 Daughterboard Functions
Type: Battery Backup RAM Daughterboard (B-RAM)
Function:
Extends system power-off data storage
Stores critical process parameters, calibration data, and control programs
Ensures important data is not lost after power failure and supports rapid power-on recovery
Battery: Onboard lithium battery, maintaining data backup for 5–10 years
Interface: Directly connects to MPRC-086444-003 via inter-board connector
IV. Functional Characteristics
High-speed acquisition: Single-channel sampling rate ≤ 1ms
Signal isolation: Opto-isolation between channels, resistant to strong industrial interference
Data processing: Built-in filtering, linearization, accumulation, and alarm judgment
Communication: Connects to the controller (e.g., via DCS backplane bus) PM86x) Communication
Diagnostics: Supports channel fault, disconnection, over-range, and low battery voltage detection
Redundancy: Supports 1:1 hot standby redundancy configuration for critical loops
V. Typical Application Scenarios
Power: Temperature, pressure, flow, and level monitoring in thermal/hydropower plants
Petrochemical: Analog closed-loop control of distillation columns and reactors
Metallurgy: High-precision acquisition of temperature/pressure/flow in blast furnaces and converters
Paper/Cement: Continuous production line process parameter measurement and adjustment
Energy: Auxiliary measurement systems for industrial boilers and gas turbines
VI. Common Models in the Same Series
MPRC-086444-001: Basic version, no B-RAM
MPRC-086444-002: Enhanced processing version
MPRC-086444-003: Standard configuration with 086318-0 B-RAM (current model)
MPRC-086444-005: Highly integrated CPU + measurement composite board
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