2. SYSTEM OVERVIEW
Page 25 © 2005 DH Instruments, Inc.
1. Label, product
2. VENT port
3. COM2 connector
4. IEEE-488 connector
5. COM1 connector
6. Drivers (12 V) connector
7. Power switch
8. Fuse
9. Electrical power connector (IEC-320-C13)
10. Remote [ENT] connector
11. Pressure connection, TEST(+)
12. Pressure connection, TEST(-)
13. Pressure connection, EXHAUST
14. Pressure connection, SUPPLY
Figure 22. PPC3 rear panel
2.2.4 RPM4 A116K REFERENCE PRESSURE MONITOR
The ADCS-601 system includes an RPM4 Reference Pressure Monitor that is installed in the
Control Cabinet (see Section 2.1.2). The RPM4 is used as a precise pressure comparator in
the process of comparing the PG7601 and FPG8601 measurements when validating the
FPG8601 (see Section
7.2.3).
The RPM4 is an RPM4 A116Ks.
The RPM4 pressure controller is a stand alone product for which a separate Operation
and Maintenance manual is available with much more complete information than is
included in this manual. A copy of the RPM4 manual is provided on the ADCS-601
Support CD and is available at www.dhinstruments.com.
The RPM4 Reference Pressure Monitor includes a very high precision pressure transducer
(Q-RPT) and the necessary hardware to connect the transducer to the ADCS-601 TEST (+) port
when it is needed or isolate and vent it when it is not.
The RPM4 front panel provides a local user interface and display for the RPM4 Reference
Pressure Monitor. Local commands to RPM4 are not used in normal ADCS-601 operation.
See the RPM4 Operation and Maintenance manual for details on local operation of RPM4.
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