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Control Unit

Control Unit. General Description. Located at the bottom of the electronic cabinet Easy front access for all boards inside the Control unit. Control bracket. General Description (Cont.). The Control bracket concentrates all controls signals between the electronics cabinet and the computer.

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Control Unit

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  1. Control Unit

  2. General Description • Located at the bottom of the electronic cabinet • Easy front access for all boards inside the Control unit Control bracket Confidential

  3. General Description (Cont.) • The Control bracket concentrates all controls signals between the electronics cabinet and the computer. • The Control bracket is a passive board with DIN connectors for the following boards: • I/O Controller • Sol/Lamp driver • Auxiliary control board (ACB) • Galil board • It also contains D-type connectors for all proceeding input and output connections. Confidential

  4. I/O (Type I) Controller • The I/O (type I) controller is placed on the control bracket. • Controls most of the printing unit I/O components. • Receives input signals from I/O components, placed all over the printing unit, and updates their status to the computer. • Provides discrete input and output signals. • Has 64 digital inputs and 56 digital outputs. Confidential

  5. Output LEDs(Orange) Input LEDs (Green) RS-232 connector Manual reset I/O (Type I) Controller (Cont.) • Every active input or output switches on with an indicating LED. • Push button for manual reset. Confidential

  6. Solenoid Amplifier Driver • The Sol/Lamp Driver is dedicated for I/O (type I)controller outputs. • It boosts 24 VDC for solenoids and indication lamps switching. • It has 32 TTL inputs and a maximum of 32 power outputs. • Each output has its own indicating LED and can handle up to 1 Amp 30 VDC. • Power outputs of the Sol/Lamp Driver are protected against destructive conditions, such as: • short circuit • over-current • over-voltage Confidential

  7. ACB (Auxiliary Control Board) • The Auxiliary control board is placed on the Control unit bracket and sends the following signals: • Signal for external dryer. • Generates the Iron command. • 24VDC CCB detection – In the absence of 24VDC for the CCB, the auto drop signal automatically shuts off. • Converts the communication from RS232 to RS422. Confidential

  8. I/O Controller Type 1 Sol/amp Driver Aux Control Board (ACB Board) Galil Board Control bracket Components Confidential

  9. Components (Cont.) I/O Board SOLAMP Board ACB Board Galil Board Confidential

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