Features:
- The A5E03407403 serves as the latest-generation communication backbone for Siemens Robicon NXGI and NXGII controllers, replacing earlier versions and ensuring compatibility with modern industrial networks via Anybus modules
- This board translates low-voltage control signals into high-current gate pulses for up to four IGBTs per power cell. It performs high-speed desaturation detection and short-circuit monitoring to protect sensitive drive components
- The board supports a wide range of industrial communication standards (Profibus, Modbus, Ethernet) through interchangeable Anybus adapters, ensuring seamless integration into existing automation architectures
The A5E03407403 is identified as the latest evolution of the communication printed circuit board for the Siemens Robicon Perfect Harmony high-voltage drive series, specifically for units using NXG (Next Generation) I or II controllers . Prior to its release, there were several earlier generations of communication boards with different form factors and capabilities; the A5E03407403 acts as the definitive replacement, consolidating functions and improving reliability .
The A5E03407403 plays a dual role by also functioning as a direct interface to the power switching devices. Located within the power cell, this board receives low-voltage pulse-width modulation (PWM) signals from the cell control board (CCB). It then conditions and amplifies these signals to properly drive the gates of the four Insulated Gate Bipolar Transistors (IGBTs) that constitute the H-bridge of the power cell . Specifically, it provides the firing signals for the TOP1, BOT1, TOP2, and BOT2 IGBTs.
A distinct advantage of the A5E03407403 is its modular approach to system integration. While the base board handles the internal communication protocols of the drive, external factory network connectivity is handled by pluggable "Anybus" modules that sit directly on top of the A5E03407403 . This allows the same drive to be adapted to different plant standards simply by swapping the top module. Documentation specifies that for a Profibus network, the required module is A1A252241.155; for DeviceNet, it is A1A252241.156; and for Modbus TCP/Ethernet, it is A1A252241.157.
The A5E03407403 ROBINCON Communications Board may still be available for purchase and support from Apter Power beyond
End-Of-Life (EOL) by the manufacturer (OEM).
ROBINCON A5E03407403 Communications Board Manuals,
Datasheets, Drivers, Link
Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not
included with this equipment unless listed in the above stock item description. All prices are
shown in USD.
ROBINCON A5E03407403 Communications Board Specs
General
- Manufacturer ROBINCON
- Model A5E03407403
- Condition New Original ready stock
- Product Family
A5E32168144,A5E32100313,A5E02363383
Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not
included with this equipment unless listed in the above stock item description. All prices are
shown in USD.
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- Galvanic Optical Isolation: To shield delicate microprocessors from the heavy electromagnetic interference (EMI) generated by high-voltage cell firing, all external serial/Ethernet ports feature high-voltage optoelectronic isolation and surge suppression circuits. This ensures any external lightning strike or transient surge on the network line will only sacrifice the interface layer without reaching the CPU core.
- Hardware Watchdog Timer: Features an embedded independent hardware watchdog. If severe industrial EMI freezes the onboard communications chip, the board executes an automatic microsecond reset and issues a safe-state signal to the main CPU, preventing the high-voltage motor from running uncontrolled.
- Strict Electrostatic Discharge (ESD) Protection: The board features sensitive CMOS components. Technicians must wear a grounded ESD wrist strap before handling the card and must avoid direct human finger contact with the gold finger contacts or component pins.
- Mechanical Seating & Rail Alignment: The board inserts into a designated ISA backplane slot inside the NXG control cabinet. Slide the card smoothly along the guide rails, apply firm, even pressure until the gold fingers are fully seated into the backplane, and tighten the front retaining screws to counteract plant structural vibration.