6
TABLE OF CONTENTS (Cont.)
SECTION 5
MAINTENANCE
Paragraph
Page
5.1
PREVENTIVE MAINTENANCE.........................................................................
52
5.1.1
DC VOLTAGE ........................................................................................
52
5.1.2
GAIN OF THE CONVERTER ................................................................
52
5.1.3
FREQUENCY MEASUREMENT ...........................................................
52
5.2
CORRECTIVE MAINTENANCE........................................................................
52
5.3
CHANGING THE REMOTE INTERFACE FROM RS485/422 TO RS232 OR
FROM RS232 TO RS485/422 ...........................................................................
53
5.3.1
INSTALLING A NEW CONTROL BOARD/FIRMWARE KIT (A4A1) ....
54
LIST OF DIAGRAMS
Figure 1-1 Front Panel, Frequency Converter ..............................................................
7
Figure 1-2 Real Panel, Frequency Converter ...............................................................
7
Figure 3-1 Internal Power Supply Adjustment ..............................................................
15
Figure 4-1 Downconverter Functional Block Diagram ..................................................
48
