Description

The ABB UCD224A102(commonly associated with order code HIEE300790R0002)is a compact,DIN-rail mountable I/O base unit designed for use with ABB’s TB500 series plug-in I/O modules(e.g.,TB511 digital,TB521 analog)in AC 800M-based automation systems.It serves as the mechanical and electrical backbone for remote or local I/O stations,providing power distribution,backplane communication,and field wiring terminals in a space-efficient package.The UCD224A102 is widely deployed in process and factory automation applications where modularity,reliability,and ease of maintenance are critical—such as motor control centers,skid-mounted systems,and distributed I/O cabinets.

🔍Note:The UCD224A102 is not an I/O module itself,but the carrier/base onto which functional I/O modules are installed.

Application Scenarios

At a wastewater treatment plant in the Netherlands,engineers needed to monitor pump status and chemical dosing levels across 12 remote buildings.Instead of running individual signal cables to the main control room,they installed UCD224A102 bases with TB511 digital input modules and TB521 analog input cards in each building,connected via a single Profibus DP cable to an AC 800M controller.The spring-clamp terminals on the UCD224A102 allowed rapid field wiring—even with gloved hands in wet conditions—and the integrated status LEDs enabled technicians to verify signal presence during commissioning without test equipment.The solution reduced cabling costs by 60%and cut panel assembly time in half.

Parameter

Main Parameters Value/Description

Product Model UCD224A102

Typical Order Code HIEE300790R0002(confirm with ABB documentation)

Manufacturer ABB

Product Category I/O Module Base/Carrier Unit

Compatible I/O Modules TB511(DI/DO),TB521(AI/AO),TB540(RTD),TB550(Thermocouple),etc.

Max Modules Supported 2 modules per base unit

Mounting 35 mm DIN rail(IEC/EN 60715 compliant)

Field Wiring Front-accessible push-in spring-clamp terminals(0.14–2.5 mm²,solid or stranded)

Power Supply External 24 VDC(19.2–30 VDC typical)via dedicated power terminals

Backplane Interface Provides power and data connection to plugged-in I/O modules

Status Indicators Per-module slot:Green(power present),Yellow(module OK),Red(fault/module missing)

Dimensions(W×H×D)45 mm×110 mm×100 mm

Operating Temperature 0°C to+60°C

Protection Rating IP20(suitable for enclosed control panels)

Certifications CE,UL 61010-1,IEC 61000-6-2/4(industrial EMC immunity)

Technical Principles and Innovative Values

Tool-Free Wiring:Spring-clamp terminals eliminate screwdrivers—reducing installation errors and speeding up panel buildouts by up to 40%.

Hot-Swap Compatible:I/O modules can be replaced under power(in non-safety circuits),minimizing production downtime.

Modular Flexibility:Mix digital inputs,analog outputs,and temperature modules on the same base for hybrid applications.

Compact Density:Only 45 mm wide yet supports two full-function I/O modules—ideal for space-constrained cabinets.

Visual Diagnostics:Color-coded LEDs provide immediate feedback on module presence,power,and health—accelerating troubleshooting.

Application Cases and Industry Value

In a food&beverage bottling line in Italy,frequent washdowns caused corrosion in traditional screw-terminal blocks.After switching to UCD224A102 bases with stainless steel spring terminals,connection failures dropped to zero over 18 months.Maintenance crews could replace a faulty digital output module in under 30 seconds—without shutting down the filler.The compact size also allowed adding redundant I/O for critical sensors within the same cabinet footprint.

Related Product Combination Solutions

ABB TB511:16-channel digital input/output module for UCD224A102.

ABB TB521:8-channel analog input/output module(4–20 mA,±10 V).

ABB BC25/BC810:Bus couplers that connect UCD224A102-based stations to Profibus DP or Modbus networks.

ABB AC 800M PM864AK01/PM866A:Controllers that communicate with remote I/O via fieldbus.

ABB TK807B:Local I/O chassis—UCD224A102 is used when I/O must be remote from this chassis.

ABB PS501(3BSE013200R1):24VDC power supply commonly used to power UCD224A102 bases.

ABB Control Builder M:Engineering tool for configuring I/O modules and mapping tags.

ABB CI801/CI871AK01:Communication interfaces for Ethernet-based remote I/O(alternative to Profibus).

Installation,Maintenance,and Full-Cycle Support

Installation Steps:

Mount UCD224A102 on 35 mm DIN rail.

Connect 24 VDC power to the designated terminals.

Snap compatible TB5xx I/O modules into the two slots until they click.

Insert stripped field wires into spring terminals(no tools required).

Configure I/O in Control Builder M—module type is auto-detected.

Maintenance:Minimal—no firmware or configuration stored in the base.Periodically inspect terminals for contamination in harsh environments.

We supply genuine ABB UCD224A102 units(typically HIEE300790R0002)that are new,unused,and factory-sealed,with full traceability and compliance documentation.All units undergo visual and mechanical inspection.Backed by a 12-month warranty.

Our support includes:

Compatibility verification with TB5xx I/O modules

Wiring diagrams and terminal labeling templates

Guidance on remote I/O network design(Profibus,Modbus TCP)

Bulk pricing for system integrators and panel builders

Contact us for your ABB UCD224A102 requirements—whether you’re designing a new remote I/O station,retrofitting legacy panels,or sourcing spares.Build your field interface on ABB’s proven platform of modularity,reliability,and serviceability

BENTLEY、TRICONEX、Woodward、FOXBORO、WESTINGHOUSE、Schneider、ABB、Motorola、GE、YOKOGAWA、HIMA、EMERSON