ABB HIEE205014R1 HI220856-312/20 Acquisition Control Board Card

ABB HIEE205014R1 (Board Number: HI220856-312/20, Model: UNC4673AV1)
Product Name: High Precision Measurement Interface Module / Digital Signal Acquisition Control Board Card

I. Basic Parameters
Brand: ABB
Material Order Number: HIEE205014R1
Board Hardware Number: HI220856-312/20
Standard Model: UNC4673AV1
Compatible System: ABB System 800xA, AC 800M DCS control system, also commonly used in high-power transmission, generator excitation, and frequency conversion systems
Installation Method: Standard rack plug-in type, backplane bus communication
Power Supply: DC 24V, Protection Grade IP20
Operating Temperature: -20℃ ~ +60℃, industrial wide temperature range three-proof coating

Core Functions
Multi-channel on-site switch quantity signal acquisition
Acquisition of equipment operation status, circuit breaker position, local fault alarm, limit, relay feedback, etc. 24V active / passive dry contact digital signals, after filtering and photoelectric isolation, are uploaded to the main controller.
High-precision analog signal conditioning acquisition
Support for voltage and current analog signal sampling, amplification, isolation, and anti-interference processing of sensor 4-20mA, 0-10V signals, achieving precise acquisition of process parameters such as temperature, pressure, speed, current, voltage, etc.
Control command output forwarding
Receive logic instructions issued by the controller, output switch quantity signals to drive on-site solenoid valves, contactors, alarm indicator lights, etc. execution elements.
Hardware fault self-diagnosis
Equipped with self-check functions for channel short circuit, open circuit, overcurrent faults, and can report alarm points through the system, supports hot-swappable online replacement of modules, without interrupting system operation.
High-speed backplane bus communication
Relying on ABB’s internal high-speed bus for real-time data interaction with AC800M controller, signal refresh speed is fast, and has excellent anti-electromagnetic interference ability in power plants, metallurgy, etc.

Main Technical Specifications
Channel Configuration: Multiple digital input, digital output, isolated analog acquisition channels
Single-channel Electrical Isolation: 1500VDC photoelectric isolation
Signal Precision: Analog acquisition precision ±0.1% FS
Communication Method: Controller backplane bus
Support hot swapping, separate channel fault alarm

Typical Application Scenarios
DCS system for thermal power plants and hydropower plants, plant power monitoring system signal acquisition;
On-site I/O signal conversion and acquisition for ABB high-power frequency converters, excitation control systems;
800xA distributed control system in process industries such as chemical, metallurgy, water treatment, etc., as a remote/local signal acquisition interface card.