Description
-
BrandABB
-
ModelPBA800
-
Product NameHN800 Process Bus Adaptor
-
Place of OriginIndia
-
HS Code85389099
-
Dimensions170.18mm × 73.66mm × 45mm
-
Weight0.3kg
-
Operating Temperature-20℃ to +70℃
-
Storage Temperature-30℃ to +80℃
-
Power Supply24VDC
-
Warranty12 MONTH
-
Product StatusNEW ADN ORIGINAL
Backed by abundant in-stock inventory and nearly 20 years of industry experience, our company stands as a leading player in the industrial control sector.We offer an extensive range of industrial control products covering numerous models. Should you have any other requirements, please feel free to contact us, and we will respond to you promptly.
Our main brand:
1.ABB's module cards, touch screens, controllers, etc., such as PP846 touch screen, IGCT starting with 5SHY, PM starting controller, AI, DO starting input/output module, SP starting Bailey module, etc
2.GE's module card CPUs, such as VMIC starter, IS200, IS215, IS400, IS420 series, etc,
3.Emerson's card components and EPRO probes, Westinghouse 1C series, Honeywell CC series, Schneider 140 series, Envision full series, Bentley 3500 series, Rexroth motors and drives, and Foxboro small modules.
1. Power Input
It adopts redundant universal AC/DC dual-power input design.
Operating voltage range: 110 VAC ~ 220 VAC / 110 VDC ~ 220 VDC;
Total power consumption is controlled below 40 W;
It adopts 5-pin 5.08mm Phoenix terminal block for power access;
Built-in overvoltage, undervoltage and reverse polarity protection circuits to resist abnormal power access.
2. Signal Input Interfaces
Dedicated HN800 bus input port: Connects to NKTUxx field units, responsible for collecting real-time operating data, equipment status and fault feedback signals from field devices.
RJ45 RS232 debugging port: Serves as local configuration input, supporting parameter setup, firmware upgrade and hardware fault diagnosis.
Electrical Ethernet ports: 3 groups of Ethernet interfaces with 8 channels per group, used to receive command data issued by upper-layer DCS controllers.
Gigabit SFP optical slots: 4 independent SFP slots, compatible with single-mode and multi-mode optical signal access.
3. Output Interfaces
3.1 Communication Data Output
Electrical twisted-pair Ethernet output: 3 sets of 8-channel 100Mbps Ethernet interfaces, with maximum transmission distance of 100 meters.
Gigabit optical fiber output via SFP ports:
Multi-mode fiber (1310nm): 500m for gigabit transmission, 2km for 100Mbps transmission;
Single-mode fiber: 0~40km (1310nm), 0~80km (1550nm).
HN800 bus output: Delivers control instructions from the host system down to field NKTUxx devices.
3.2 Relay Alarm Output
Independent 3-pin terminal alarm relay output;
Contact rated load: 250 VAC / 220 VDC, rated current 2 A;
Used to output alarm signals including hardware failure, communication disconnection and power supply abnormality.
4. Supplementary I/O Explanation
This module is not equipped with conventional analog or digital field I/O terminals, only bus, network and relay signal interfaces.
Bidirectional bus channels realize two-way data exchange between DCS host and field equipment.
Internal circuits execute protocol conversion, data forwarding and signal voting processing between input signals and output instructions.

Case 1: 660MW Thermal Power Plant DCS Renovation
Application Scenario
As a core process bus gateway for ABB Symphony and System 800xA DCS systems, the PBA800 is deployed in boiler, turbine and generator control cabinets. It establishes communication between main controllers and NKTUxx field remote units, enabling bidirectional transmission of boiler temperature, steam pressure, mechanical vibration, generator electrical parameters and other key process data.
Configuration
Dual redundant hot-standby PBA800 configuration; gigabit fiber bus for long-distance field signal transmission; hardware relay alarms interlocked with the ESD safety system.
Operation Effect
Signal transmission latency is limited within 1ms; overall communication failure rate is reduced by 90%. Built-in diagnostic functions support rapid fault localization, significantly improving the stability and reliability of unit automatic control.
Case 2: Petrochemical Hydrogenation Process Unit
Application Scenario
The PBA800 is applied in continuous hydrogenation production units to implement protocol conversion and data forwarding between upper DCS systems and field instruments including pressure transmitters, valve positioners and safety solenoid valves. It acquires real-time process parameters and delivers remote regulating commands for field control devices.
Configuration
Distributed multi-module deployment; compatible with HN800, Modbus and Profibus protocols; redundant Ethernet architecture eliminates shutdown risks caused by single communication link failure.
Operation Effect
Improved accuracy of analog data collection; unplanned downtime reduced by 28%. Centralized management of decentralized field devices simplifies system wiring and reduces on-site construction complexity.
Case 3: Metallurgical Steel Rolling Production Line
Application Scenario
Cooperating with ABB ACS800/ACS880 multi-drive inverters, the PBA800 builds a high-speed DriveBus communication network. It realizes synchronous speed regulation and torque balance control for main rolling motors to ensure stable production operation.
Configuration
Independent PBA800 configured for each drive group; RS232 interface supports on-site parameter debugging and firmware upgrading; relay alarm output provides interlock protection against motor overload and communication faults.
Operation Effect
Multi-motor synchronization error is controlled below 0.05%, effectively improving rolling dimensional accuracy. Equipment service cycle is extended, and manual inspection workload is greatly reduced.
Case 4: Large-Scale Urban Water Treatment Plant
Application Scenario
The PBA800 connects central DCS with distributed pump groups, dosing systems and liquid level sensors in sewage and circulating water systems, realizing automatic adjustment of water flow and chemical dosage.
Configuration
Twisted-pair Ethernet for short-distance signal transmission; SFP fiber ports for long-distance pipeline monitoring points; unified data upload to SCADA and MES systems via protocol conversion.
Operation Effect
Pump group energy consumption reduced by 12%; automated operation replaces most manual patrol work. System data error rate decreased from 3.2% to 0.15%, improving overall operational precision.
Case 5: Fine Chemical Batch Production Workshop
Application Scenario
The module supports automatic batch reaction control, transmitting production formulas, temperature curves and fault alarm signals between System 800xA batch controllers and field reactor instruments.
Configuration
Distributed PBA800 layout for batch process workshops; relay real-time alarm output for over-temperature and overpressure hazards; local USB interface facilitates on-site program backup and maintenance.
Operation Effect
Improved consistency of batch production quality; faster response to process abnormalities. Shortened project investment return cycle to 9 months.
General Application Scope
Power Industry: DCS process bus gateway for thermal power, hydropower and nuclear power auxiliary systems
Process Industry: Continuous production control for petrochemical, coal chemical and pharmaceutical industries
Heavy Industry: Communication and synchronous control for steel rolling and mining hoist drive systems
Municipal Engineering: Automatic monitoring of sewage treatment, water supply and central heating systems
Intelligent Factory: Field device networking and data interconnection between DCS and MES systems

Frequently Asked Questions (FAQ)
1.How fast will you reply to my inquiry?
We process all inquiries efficiently and will respond promptly once we receive your message.
2.Do you carry large inventory of industrial control parts?
We maintain massive ready stock of mainstream automation spare parts to shorten lead times.
3.Can you source discontinued or obsolete PLC & DCS modules?
Absolutely.
We specialize in sourcing hard-to-find, obsolete and out-of-production industrial control components.
4.Do you inspect goods before shipment?
Every product undergoes thorough inspection before packing and dispatch.
5.Can you ship orders worldwide?
We provide global shipping with flexible logistics for urgent and regular orders.
6.What payment methods are available?
We accept multiple secure payment options. Please contact our sales team for detailed terms