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6021GPS GPS Satellite Clock - V01.00
hopf
Elektronik GmbH
Nottebohmstr. 41 • D-58511 Lüdenscheid • Tel.: +49 (0)2351 9386-86 • Fax: +49 (0)2351 9386-93 • Internet: http://www.hopf.com • E-Mail: [email protected]
3.9.1.1
Data String.................................................................................................................................. 27
3.9.1.2
Baud Rate................................................................................................................................... 27
3.9.1.3
Parity........................................................................................................................................... 27
3.9.1.4
Data Bits ..................................................................................................................................... 27
3.9.1.5
Stop bits...................................................................................................................................... 27
3.9.1.6
Time Base................................................................................................................................... 27
3.9.1.7
Control Characters...................................................................................................................... 27
3.9.1.8
Send Scheme ............................................................................................................................. 27
3.9.1.9
Delayed Transmission ................................................................................................................ 29
3.9.1.10
Send Cycle ................................................................................................................................. 29
3.9.1.11
Change of <CR> <==> <LF> - .................................................................................................... 29
3.9.2
Serial Transmission Data Format ...................................................................................... 30
3.9.3
hopf
Standard String (6021)............................................................................................. 30
3.9.3.1
Specified Settings ....................................................................................................................... 30
3.9.3.2
Structure ..................................................................................................................................... 30
3.9.3.3
Status.......................................................................................................................................... 31
3.9.3.4
Example...................................................................................................................................... 32
3.9.3.5
Serial Requests with ASCII Characters (
hopf
Standard and
hopf
2000) ................................. 32
3.10
PCID Window............................................................................................................ 33
4
Fault Analysis / Troubleshooting ................................................................................ 34
4.1
Fault Scenarios ......................................................................................................... 34
4.1.1
Complete Failure................................................................................................................ 34
4.1.2
No GPS Reception / No Synchronization .......................................................................... 34
4.1.3
No Serial Output or Serial Output Incorrect ....................................................................... 36
4.1.4
Incorrect Time Output ........................................................................................................ 36
4.1.5
No ST/WT Changeover...................................................................................................... 36
4.2
Support from the
hopf
Company ............................................................................. 37
5
Maintenance / Care ....................................................................................................... 38
6
Technical Data .............................................................................................................. 39
7
Appendix ....................................................................................................................... 41
7.1
GPS (Global Positioning System) ............................................................................. 41