AFC094AE02 (Material Code: HIEE200130R0002) is an ARCnet bus local operation control panel launched by ABB for the Unitrol 5000 control system. Manufactured in Switzerland, it serves as a human-machine interaction terminal specially developed for large drive and excitation control applications.

The device exchanges data with the main control unit via the ARCnet industrial bus. It integrates key operation buttons, status displays, digital relay outputs and multi-channel signal terminal interfaces, enabling full local operations inside the cabinet, including parameter retrieval, operating status monitoring, local start/stop control and fault alarm reading.

It features a compact aluminum alloy housing and operates on 24 V DC power supply, suitable for installation in complete control cabinets across power, metallurgy, oil & gas and other industries. As an indispensable local operation hardware unit complementing traditional remote upper monitoring systems, all its electrical and communication parameters comply with international industrial safety standards CE and UL.

Model Code Breakdown

1. AFC094AE02 (Equipment Model)

• AFC: General product category code, standing for ARCnet human-machine operation panels matched with Unitrol series
• 094: Code for product structure and channel specifications, defining relay output quantity, terminal layout and display screen size
• AE: Hardware revision identifier, representing the second-generation hardware upgrade with optimized anti-interference circuits for bus communication
• 02: Sub-configuration version, fixed with standard ARCnet communication interface and 24 V DC power supply circuit

2. HIEE200130R0002 (Material Order Code)

• HIEE: Prefix for ABB industrial control spare parts, used for global warehousing, procurement and after-sales identification
• 200130: Internal product drawing number, corresponding to the complete electrical schematic diagram of this panel
• R: Mark for standardized mass-production version
• 0002: Batch sub-code, distinguishing minor differences in housing craftsmanship and terminal accessories

Product Features

Communication Features

Equipped with dedicated ARCnet industrial bus interface and matched coaxial bus terminals, it supports multi-node bus networking. Multiple panels of the same series can be connected to one single bus. The transmission distance meets wiring requirements within control cabinets and between separate cabinets, and it is fully compatible with all main controllers of ABB Unitrol 5000 series.

Hardware Interface Features

The front panel is fitted with segmented functional key areas and a backlit LCD text display, which can display operating parameters, fault codes and alarm points. The rear side integrates ARCnet bus port, RS232 commissioning serial port, multi-channel digital relay output terminals, signal acquisition terminals and 24 V power supply terminals. Relay channels can directly drive local indicator lights and small solenoid valves.

Electrical & Environmental Features

Rated power supply: DC 24 V; total power consumption below 15 W. IP20 protection rating, for internal cabinet installation only. The integrally formed aluminum alloy housing meets EMC electromagnetic shielding standards. It supports 7×24-hour non-stop continuous operation without signal fluctuation during startup and shutdown. All channels are equipped with hardware protection against short circuit and overcurrent; a fault on a single channel will not cause the whole unit to shut down.

Product Advantages

1. Natively compatible with ARCnet bus featuring low bus transmission latency. It delivers high real-time performance for local operation command issuance and status feedback. Bus link faults trigger independent alarms without interrupting main controller operation.
2. Integrated display, push buttons, relay outputs and multi-channel terminals in one unit. No extra adapter modules are required; a single unit realizes both local monitoring and local execution control.
3. Wide operating temperature range from -20°C to +55°C. The metal housing provides electromagnetic shielding to resist EMI generated by plant inverters and high-power motors, ensuring stable signal acquisition.
4. Standard WAGO spring-cage terminals enable fast cable assembly and removal without special tools, greatly cutting down time for on-site wiring and equipment replacement.
5. Built-in hardware self-diagnosis logic automatically identifies bus disconnection, power supply abnormality, channel short-circuit and button failures. Fault codes are displayed directly on the panel screen to simplify troubleshooting.
6. Slim and lightweight unit design with only 8 mm depth, saving internal cabinet installation space and supporting embedded cutout mounting on standard cabinets.
7. Unified 24 V DC power supply system that can directly draw power from standard cabinet DC power sources, eliminating the need for additional power conversion devices.

Application Industries

1. Thermal / Hydropower / New Energy Power Plants Local operation of generator excitation systems, parameter monitoring of excitation regulators and on-site fault reset.
2. Metallurgical Steel Rolling Production Lines Local start/stop of high-power drive systems, fine-tuning of rotational speed parameters and viewing of equipment fault alarms.
3. Oil & Gas Extraction and Transportation Local human-machine interaction for control cabinets of large compressors and pump units, on-site verification of process parameters.
4. Chemical Process Industry Local operation units for complete control cabinets of large stirring and extrusion drive equipment.
5. Rail Transit Traction Substations Local monitoring terminals for rectifier and excitation equipment.
6. Cement & Building Material Production Lines Local control and operation of high-power main drive motors.

Product Comparison

AFC094AE02 vs AFC093AE01

AFC094AE02: Equipped with standard ARCnet interface, more relay output channels, adjustable screen backlight brightness and fault history storage function, suitable for high-power excitation and drive systems. AFC093AE01: Simplified panel without independent fault storage function and lower bus transmission speed. It only matches small single-unit drive equipment with half the number of relay channels.

AFC094AE02 vs AFC096AE03

AFC094AE02: Slim embedded design with a depth of 8 mm, compatible with door panels of conventional standard control cabinets. AFC096AE03: Thicker housing expanded with dual Profibus DP bus interfaces, larger overall dimensions, mostly applied to centralized control cabinets for multiple units with higher procurement cost.

AFC094AE02 vs TB521-ARCNET

AFC094AE02: Full-featured human-machine operation terminal with display, buttons and relay outputs, capable of independent local control. TB521-ARCNET: Bus terminal base only without operation and display interface, merely used as a bus adapter accessory and unable to realize independent human-machine interaction.

Recommended Models of the Same Brand

1. AFC093AE01 – Basic ARCnet Operation Panel
2. AFC096AE03 – Dual-Bus Operation Panel (ARCnet + Profibus DP)
3. AFC095AE02 – Compact Local Display Panel
4. HIEE200129R0001 AFC092AE01 – Simplified Single Display Panel
5. HIEE200131R0003 AFC094AE03 – Extended Relay Output Panel
6. TB521-ARCNET – ARCNET Bus Terminal Base
7. UNITROL 5000 Excitation Master Control Unit
8. AFC100AE01 – Operation Panel for High-Power Generating Units
9. HIEE200132R0001 AFC097AE01 – Long-Distance Bus Panel
10. AFC091AE01 – Basic Display Panel Without Relays
11. HIEE200128R0002 AFC090AE02 – Panel for Small Single Machines
12. AFC098AE02 – Centralized Monitoring Panel for Multi-Unit Systems

Main product ：

ABB: Industrial robot spare parts DSQC series, Bailey INFI 90, IGCT, etc., for example: 5SHY6545L0001 AC10272001R0101 5SXE10-0181,5SHY3545L0009，5SHY3545L0010 3BHB013088R0001 3BHE009681R0101 GVC750BE101, PM866, PM861K01, PM864, PM510V16, PPD512 a10-15000 3BHE040375R1023, PPD113, PP836A, PP865A, PP877, PP881, PP885，etc.,

GE: spare parts such as modules, cards, and drivers. For example: VMIVME-7807, VMIVME-7750, WES532-111, UR6UH, SR469-P5-HI-A20, IS230SRTDH2A, IS220PPDAH1B, IS215UCVEH2A , IC698CPE010，IS200SRTDH2ACB，etc.,

Bently Nevada: 3500/3300/1900 system, Proximitor probe, etc.,for example: 3500/22M,3500/32， 3500/15, 3500/20，3500/42M，1900/27，etc.,

Invensys Foxboro: I/A series of systems, FBM sequence control, ladder logic control, incident recall processing, DAC, input/output signal processing, data communication and processing, such as FCP270 and FCP280，P0904HA，E69F-TI2-S，FBM230/P0926GU，FEM100/P0973CA，etc.,

Invensys Triconex: power module,CPU Module,communication module,Input output module,such as 3008,3009,3721,4351B,3805E,8312,3511,4355X，etc.,

Woodward: SPC position controller, PEAK150 digital controller, such as 8521-0312 UG-10D，9907-149, 9907-162, 9907-164, 9907-167, TG-13 (8516-038), 8440-1713/D，5466-258, 8200-226，etc.,

Westinghouse/Emerson: OVATION system, WDPF system, MAX1000 system spare parts, such as 1C31129G03, 5X00063G01, 5X00063G01，1C31181G01，SE3007, VE3008, etc

Rockwell Allen-Bradley：Logix 1756，1794，2711touch screen such as 2711-B6C20，etc.,

Rockwell ICS TRIPLEX：T8151B,T8311 ,T8403 ,T9431, T8480C，etc.,

Rockwell Reliance：PLC-MODULE，WR-D4007，0-57406-E，Y-3023-2-H00AA，etc.,

Schneider Modicon: Quantum 140 series processor, control card, power module, 

such as 140CPU65160, 140CPU67160, 140CPU43412，140CPU67060，140DDI35300，140ACO13000，140CRA93100，140CPU11303，140ACO13000，etc., 

Hima: Security modules, such as F8650E, F8652X, F8627X, F8628X, F3236, F6217,F6214， Z7138, F8651X, F8650X，etc.,

Honeywell: all DCS cards, modules, CPUS, such as: CC-MCAR01, CC-PAIH01, CC-PAIH02, CC-PAIH51, CC-PAIX02, CC-PAON01, CC-PCF901, TC-CCR014, TC-PPD011，CC-PCNT02，etc.,

Motorola: MVME162, MVME167, MVME172, MVME177 series, such as MVME5100, MVME5500-0163, VME172PA-652SE，VME162PA-344SE-2G，etc.,

Xycom: I/O, VME board and processor, for example, XVME-530, XVME-674, XVME-957, XVME-976，etc.,

Kollmorgen：Servo drive and motor，such as S72402-NANANA，S62001-550，S20330-SRS，CB06551/PRD-B040SSIB-63，etc.,

Bosch/Rexroth/Indramat: I/O module, PLC controller, driver module，MSK060C-0600-NN-S1-UP1-NNNN，VT2000-52/R900033828，MHD041B-144-PG1-UN，etc

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