S
YSTEM
P
ARAMETERIZATION AND
O
PERATION
58 / 157
System 6844(RC) - V03.00
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]
5.2.13 SYSTEM-Byte
Functions can be switched on and off with the individual bits in the System byte.
Selection frame:
S E T S Y S T E M B Y T E
Y / N
Input frame:
S Y S T E M 7 6 5 4 3 2 1 0
B Y T E >
0
0
0
0
0
0
0
0
Sync.-Mode GPS
B7 - B3
free, not used at present
0
not used at present
Unused bits should be set to "0" for compatibility reasons.
5.2.13.1 Synchronization Mode (Sync.-Mode)
B2
B1
B0
Sync.-Source
0
0
0
GPS - (Master)
System synchronization via GPS
0
0
1
Serial Interface (COM1) - (Sub-Master (Slave))
Synchronization via serial
hopf
Master/Slave-String
0
1
0
Serial Interface (COM1) + PPS - (Sub-Master (Slave))
Synchronization via serial
hopf
Master/Slave-String with additional
PPS
0
1
1
DCF77 Pulse (CET) - (Sub-Master (Slave))
Synchronization via DCF77 pulse
1
0
0
DCF77 Pulse (worldwide) - (Sub-Master (Slave))
Synchronization via DCF77 pulse
1
0
1
free, currently GPS
...
...
...
free, currently GPS
1
1
1
free, currently GPS
For further information see
Chapter 2 System 6844(RC) Synchronization
The Sync.-Mode is not changed or reset by releasing a FACTORY
DEFAULT.