Bobst S2100 704-1092-03 Interface Circuit Board
Product Manual：
Original part number: 704-1092-03 (common version 704-1092-02/03)
Positioning of the board: S920 alignment system panel interface/LED driver board, connecting operation buttons, display LEDs, and main control CPU
Compatible models: BOBST S920 series gravure/flexographic printing machine (Registration register control unit)
Function Overview:
Operation panel button scanning and input signal encoding
Panel LED status indicator light driver (alignment, operation, alarm)
Parallel/serial signal conversion and isolation between the main control and panel
PCB material: Industrial FR-4 multi-layer board, long strip panel installation structure
Interface configuration:
Golden finger bus interface (connected to the main control backplane)
Key matrix interface
LED array driver interface
24VDC power supply interface
Electrical specifications: 24VDC power supply, low-power design, suitable for long-term panel standby
Protection design: onboard self recovery fuse, ESD protection, signal terminal RC filtering
Three proof treatment: The entire board is coated with three proof paint, which is moisture-proof and dustproof, and suitable for the printing workshop environment
Status indication: Onboard power and communication LED for quick identification of panel/communication faults
Installation method: Directly installed on the back of the iPadOS 0 operation panel, with no need to change the wiring for in-situ replacement
Compatibility: Fully compatible with the firmware of the S920 calibration system, ready to use immediately
Common faults: unresponsive buttons, LED not lit, communication failure with the registration panel, mostly due to aging of the board or virtual soldering of the interface
Product detailed pictures：
S2100 704-1092-03
product video
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