Description
The ABB PCD230A(order code:3BHE022291R0101)is a 4-channel pulse and frequency input module designed for the ABB System 800xA automation platform.It interfaces with field devices that output digital pulses—such as turbine flowmeters,positive displacement meters,rotary encoders,energy meters(kWh pulses),and speed sensors—to provide accurate rate measurement,totalization,and event counting directly within the DCS.
Each channel features galvanic isolation from other channels and the system backplane,ensuring immunity to ground loops and electrical noise in harsh industrial environments.The module connects to AC 800M controllers via the Controller Extension(CEX)bus and integrates seamlessly into System 800xA operator graphics,trends,alarms,and reports.
With support for frequencies up to 20 kHz and 32-bit counters per channel,the PCD230A is ideal for medium-duty metering applications where reliability,accuracy,and ease of maintenance are critical.
Application Scenarios
At a municipal water treatment plant in the Netherlands,PCD230A modules collect pulse signals from electromagnetic and turbine flowmeters across raw water intake,filtration,and distribution lines.Each channel totals daily volume with±0.5%accuracy,feeding data into a regulatory compliance dashboard.During a pump cavitation event,the sudden drop in pulse frequency triggered an immediate alarm—allowing operators to switch to a standby pump before pipe damage occurred.
Parameter
Main Parameters Value/Description
Product Model PCD230A
Full Order Code 3BHE022291R0101
Manufacturer ABB
Type 4-Channel Pulse/Frequency Input Module
I/O Family S800 I/O(for System 800xA)
Terminal Base Required TB521(screw terminals)or TU521(spring terminals)
Number of Channels 4,independently configurable
Input Signal Type Voltage pulse or contact closure(dry/wet contact)
Input Voltage Range 0–30 V DC
Max Frequency per Channel 20 kHz
Counter Resolution 32-bit unsigned integer per channel(supports large totals)
Galvanic Isolation Yes–between channels and system bus(≥500 V AC test voltage)
Update Cycle Time Configurable;typical 100–500 ms
Diagnostics Per-channel LED status,open-circuit detection,signal loss indication
Communication Interface CEX bus(to AC 800M controller)
Redundancy Support No–non-redundant module(use PCD230R for redundant systems)
Power Consumption~2.5 W(from CEX bus)
Operating Temperature 0°C to+60°C
Mounting 35 mm DIN rail via terminal base
Certifications CE,UL 61010-2-201,cULus
Configuration Software Control Builder M(within System 800xA Engineering)
Technical Principles and Innovative Values
Innovation Point 1:Noise-Resilient Signal Capture
Schmitt-trigger inputs and galvanic isolation ensure reliable counting even near VFDs or high-power switchgear.
Innovation Point 2:Native Totalization in DCS
Eliminates external totalizers or PLC logic—flow totals appear directly in System 800xA historical trends and reports.
Innovation Point 3:Modular&Serviceable Design
Module can be hot-swapped(with proper configuration)when used with TU521 base—minimizing downtime.
Innovation Point 4:Scalable Architecture
Combine with AI810 analog inputs or DI810 digital inputs on the same I/O rail for hybrid control panels.
Application Cases and Industry Value
In a brewery in Germany,the PCD230A monitors glycol chiller energy use via kWh pulse outputs from submeters.Integrated into an energy KPI dashboard,it helped identify inefficient cooling cycles—reducing electricity consumption by 12%year-over-year.
At a small hydroelectric plant in Canada,the same module counts turbine rotation pulses to calculate real-time power output,synchronized with generator voltage/current data from AI810 modules for efficiency analysis.
Related Product Combination Solutions
TU521/TB521:Terminal bases with spring or screw connections
PCD230R(3BHE022292R0101):Redundant version for high-availability systems
AC 800M PM864A:Controller with CEX bus support
Control Builder M:For scaling,filtering,and alarm configuration
System 800xA Electrical Monitoring:Visualizes energy data from pulse inputs
AI810/DI810:Mixed-signal I/O on same DIN rail
CI854A:Ethernet communication interface for remote I/O
ABB Ability™Energy Manager:Cloud analytics using pulse-derived metrics
Installation,Maintenance,and Full-Cycle Support
Install the PCD230A onto a TU521/TB521 base mounted on a grounded DIN rail.Use shielded twisted-pair cable for pulse signals,with the shield grounded only at the cabinet end to avoid ground loops.
Best practices:
Keep pulse cables away from AC power conductors(>30 cm separation)
Configure input filters in Control Builder M to suppress contact bounce(<10 ms typical)
Enable open-circuit monitoring for critical custody or billing points
We supply only new,unused,factory-original ABB PCD230A(3BHE022291R0101)modules with:
Full RoHS compliance and traceable manufacturing lot
Certificate of Conformity(CE,UL)
Optional functional test report with simulated pulse train
Our engineering services include:
Pulse signal compatibility review
Totalization and rate calculation logic design
Integration with regulatory reporting or energy management systems
Contact us today for genuine ABB PCD230A 3BHE022291R0101 pulse input modules—and transform raw field pulses into trusted operational intelligence for efficiency,compliance,and asset performance.
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