AGFA d-lab.3 Digital Compact Lab
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AGFA d-lab.3 Digital Compact Lab

AGFA d-lab.3 Digital Compact Lab AGFA d-lab.3 Digital Compact Lab

saal.group.com
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18.06.2014 Views

Repair Printer PO_GS01 (L8.8060.2200.) - Power Monitor Functional Description PO_GS01: L8.8060.2200. − Control and monitoring of the current supply of the Printer section − Control and monitoring of the Laser via the SPI command interface. All output voltages are A/D converted and can be checked. For this, the commands are checked at the SPI interface in the Microcontroller and the corresponding actions are initiated. The SPI interface implemented in the Controller is activated via differential drivers (RS422). dlabr034 Remote Power Supply After the Reset of the Controller, the power voltages (24V, 36V, 22,5V) are switched off. They can be switched by the SPI command. All available output voltages of the power supply unit are checked at the Remote connection, are level-converted and are sent to the 11-input 10-Bit A/D converter. A simple instrumentation amplification circuit and their 2-pole measurement ensures that no inadmissible GND loops occur. The measuring values are constantly recorded in a program loop and compared to the reference values set by commands. The result of the monitoring is shown by the LEDs which light when the corresponding voltage is in the required range. AGFA d-lab.3 2001-01-02 /PN 9009 6.3.45

Printer Repair Laser Remote After the Reset of the Controller, the Laser is switched off. It can be switched on, off and in Standby by the SPI command. The Laser current and the Laser power are constantly recorded by the A/D converter and the result is available in the Controller for the check by commands. The reference value of the Laser power can be set by the Controller by means of an electronic potentiometer. The last current value is stored in an EEPROM and is immediately available after switch-on. Debug Connection Debug connection: A non real-time capable RS232 monitor output is available on ST3 for Debug purposes. It also supplies the measuring values of all voltages following a special SPI command. Layout dlabr202 6.3.46 2001-01-02 /PN 9009 AGFA d-lab.3

Printer<br />

Repair<br />

Laser Remote<br />

After the Reset of the Controller, the Laser is<br />

switched off. It can be switched on, off and in<br />

Standby by the SPI command.<br />

The Laser current and the Laser power are<br />

constantly recorded by the A/D converter and the<br />

result is available in the Controller for the check<br />

by commands.<br />

The reference value of the Laser power can be<br />

set by the Controller by means of an electronic<br />

potentiometer. The last current value is stored in<br />

an EEPROM and is immediately available after<br />

switch-on.<br />

Debug Connection<br />

Debug connection: A non real-time capable<br />

RS232 monitor output is available on ST3 for<br />

Debug purposes. It also supplies the measuring<br />

values of all voltages following a special SPI<br />

command.<br />

Layout<br />

dlabr202<br />

6.3.46 2001-01-02 /PN 9009 <strong>AGFA</strong> d-<strong>lab.3</strong>

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