5. MAINTENANCE, ADJUSTMENTS AND CALIBRATION
Page 135 © 2002-2007 DH Instruments, a Fluke Company
5.8 SUBASSEMBLY DESCRIPTION AND LOCATION
1. Power Supply Module
2. Micro Card
3. Q-RPT Module (configuration varies)
4. On-Board Barometer (if present)
5. Vacuum Sensor
6. Pressure Control Module
7. Display
8. Driver Board
Figure 11. Internal View
5.8.1 POWER SUPPLY MODULE
• + 12 V DC (± 2 %) @ 3.3 Amps: For internal and external valve actuation.
• + 5 V DC (± 1 %) @ 3.0 Amps; + 15 V DC (± 3 %) @ 1.5 Amps; - 15 V DC (± 3 %)
@ 0.35 Amps: For the supply of the micro board and driver board electronics.
5.8.2 MINI MICRO BOARD
The micro board supports a Motorola 68302 micro-controller, EPROM, EEPROM, 128k x 16
bit NVRAM, 8 Mbit flash memory; RS-232 and IEEE-488.2 communications; keypad and
display control. An I/O port controls other ports and devices in RPM4.
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