Beijer Electronics E300 04380A Operator Panel

BEIJER ELECTRONICS OPERATOR PANEL E300 TYPE 04380A

The Beijer Electronics E300 (Type: 04380A) is a high-reliability, heavy-duty industrial and maritime-grade Human-Machine Interface (HMI) terminal. Specifically engineered for mission-critical monitoring and distributed control architectures, the E300 terminal serves as a standard control station across maritime engine rooms, ballast water treatment skids, auxiliary power distribution switchboards, and discrete factory automation systems.

The E300 Type 04380A provides resilient operational feedback where vibration, oil mist, wash-down spray, and transient power spikes render standard consumer or commercial touchscreen panels unusable. Running Beijer’s battle-tested firmware architecture and programmed using the E-Designer development environment, this terminal facilitates direct low-latency register read/write cycles over dual serial communication channels (RS-232C and RS-422/RS-485).

Technical Specifications

Features

• Rugged Front Panel Architecture (IP65 / NEMA 4X): Fabricated with an industrial-grade front foil and heavy-duty elastomeric sealing, the unit completely resists dust, moisture, engine oil vapor, and mild corrosive airborne agents.
• Dual Serial Communication Ports: Includes an isolated RS-232C programming and printer channel alongside an RS-422/RS-485 drop port, providing simultaneous PLC communication and peripheral diagnostic linkups without multiplexer hardware.
• Tactile Keypad Feedback & Anti-Bounce: High-cycle tactile dome switches allow operators to enter precise setpoints and cycle machine sequences with gloves on, eliminating accidental mis-triggers common to capacitive and resistive touchscreens.
• Low-Power 24 VDC Isolated Draw: Drawing a maximum of 450 mA under complete load, the terminal operates efficiently on standard switchboard auxiliary battery rails or marine DC emergency distribution loops.
• Integrated Hardware RTC & Battery Backup: Maintains time-stamped alarm archives, cycle history, and maintenance warnings directly on local silicon, independent of host PLC cycle times.

Compatible PLC Models & Communication Drivers

• Mitsubishi Electric: MELSEC System Q Series, A Series (A1S, A2S), FX Series (FX0N, FX1N, FX2N, FX3U via 422 programming port adapter or FX-485-BD).
• Siemens: SIMATIC S7-200 (PPI protocol), S7-300 / S7-400 (via MPI adapter / HMI direct link driver).
• Omron: Sysmac C200H, CJ1, CS1, CQM1 series via Host Link protocol.
• Rockwell Automation / Allen-Bradley: SLC 500 (5/01, 5/02, 5/03, 5/04, 5/05 via DF1 full-duplex/half-duplex), Micrologix 1000/1200/1500.
• Modicon / Schneider Electric: Modbus RTU / Modbus ASCII Master/Slave multi-drop.

Part Number Cross-References

• Beijer Electronics OEM PN: E300 (Type 04380A) / 04380A
• Mitsubishi Electric Private-Label Counterpart: Mitsubishi E300 Terminal (Part No: 04380A / BKO-FA E300)
• Direct Upstream Replacement Predecessors: Beijer E200 / MAC E300
• Migration Paths: Beijer E1032, Beijer X2 pro series (requires project migration via E-Designer export / iX Developer conversion)

Frequently Asked Questions

What programming cable is required to upload/download project files from the Beijer E300?

Programming the Beijer E300 Type 04380A requires a standard RS-232 serial null-modem cable with DB9 female connectors on both ends (Beijer Cable reference CAB5 or equivalent). Connect this cable between the PC’s native serial port (or an FTDI-chipset USB-to-RS232 converter) and the COM1 port of the E300. Ensure the transfer baud rate in E-Designer matches the panel system setup menu.

Can the Beijer E300 04380A directly replace a Mitsubishi E300 panel?

Yes. The Mitsubishi E300 is a direct private-labeled OEM iteration of the Beijer E300. Both share identical dimensions, mounting brackets, internal motherboards, pin terminal assignments, and LCD panels. Application programs created in Mitsubishi E-Designer or Beijer E-Designer upload and download identically between the two units without conversion scripts.

What should I check if the display backlight turns off after power-up?

The E300 features a programmable screen saver and backlight timer function configurable inside E-Designer to prevent LCD burn-in. If the screen goes dark but the panel still responds to keypresses, the backlight saver is active. If the display does not illuminate upon initial power-up and the status LED remains unlit, check input voltage on the 3-pin power block (ensure 20.4–28.8 VDC under load) and confirm that the internal automatic PTC fuse has not tripped due to an overvoltage event.

Can I connect an E300 to an Ethernet-based PLC network?

The E300 Type 04380A is a legacy serial interface terminal featuring RS-232 and RS-422/485 serial interfaces. It does not possess a native on-board RJ45 Ethernet MAC/PHY. To bridge the E300 onto an Ethernet/IP or Modbus TCP network, you must utilize an external serial device server/gateway (such as an industrial Modbus RTU-to-TCP converter) or upgrade the hardware installation to a Beijer E1000/X2 series terminal.