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RPM4/HPMS A70M/A20M-AF OPERATION AND MAINTENANCE MANUAL
© 2007 DH Instruments, a Fluke Company Page 116
web or have difficulty downloading or loading software, contact your DHI representative or a
DHI Authorized Service Provider (see Table 23) for assistance.
If you believe you have discovered an error or “bug” in RPM4 software, please report it with
complete details by email to cal.repair@dhinstruments.com.
The DHI flash software loading utility and RPM4 embedded software are available for
download from www.dhinstruments.com in the SOFTWARE section.
5.4.4 SUBASSEMBLY DESCRIPTION AND LOCATION
1. Micro card
2. Power Supply Module
(beneath Driver Board)
3. Driver Board
4. On-Board Barometer
5. Lo Q-RPT module (A20M)
6. Hi Q-RPT module (A70M)
7. Display
Figure 13. RPM4 internal view
5.4.4.1 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.