D
ESCRIPTION OF
S
YSTEM
6844
AND
6844RC
System 6844(RC) - V03.00
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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]
1.2.2 System Design 6844(RC) in 19 inch Rack 3U/42HP and 3U/84HP
As standard, the System is assembled in a standard ½ 19" rack (3U/42HP). Optionally, the
System is also available in a 1/1 19" rack (3U/84HP).
The base system consists of the following:
1/1 resp. ½ 19" module rack 3U
Supply voltage 115/230V AC
– other voltages available
Voltage input with IEC/EN 60320-1/C14 connection and EMI line filter
Connection for protection earth (PE) cables up to 16mm²
System front panel with LCD-Display (2x16), keypad (25 keys)
Control Board 6844(RC) for:
o
Synchronization signal reception and evaluation
o
Keypad control
o
Display control
o
System-Bus control
o
Time distribution in the system
Two independent serial interfaces
DCF77 antenna simulation (77.5kHz) via BNC connector
System-Bus with two expansion slots
