Technical specifications fdm511 – Meinberg FDM511 User Manual
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Technical Specifications FDM511
DISPLAY:
8-digit alpha-numerical LED Display for showing the FDM511
results as well as status information. Character height: 5mm
INPUT SIGNALS: 10MHz oscillator clock (TTL level)
pulse per second, activ high (TTL level)
serial time string (RS232), Meinberg Standard Time String or
Uni-Erlangen Time String (see "Time Strings")
mains voltage, 70V... 270V, 45Hz ... 65Hz (protected with
200mA fuse, slow blowing)
OUTPUTS:
2 analog outputs: -2,5V ... 2,5V, resolution: 16 bit
fail output (TTL level)
overflow output (TTL level)
SERIAL
RS232 PORTS:
2 serial RS232 ports (COM0, COM1), configurable:
Baudrate:
600, 1200, 2400, 4800, 9600 or 19200 Baud
Framing:
7N2, 7E1, 7E2, 8N1, 8N2, 8E1, 7O2 or 8O1
output and average once per second
output string selectable (see chapter "Serial Output Strings")
ACCURACY OF
MEASUREMENT: frequency:
accuracy of reference (10MHz) ±1mHz
time deviation: accuracy of reference (PPS) ±1ms
CONNECTORS:
rear VG edge connector, mixed F/H, DIN 41612
Type F: 24 poles, type H: 7 poles
optional: mains socket in the front panel
POWER
REQUIREMENTS: +5V, 150mA
PHYSICAL
DIMENSIONS:
Eurocard, 100mm x 160mm, 1.5mm Epoxy
FRONT PANEL:
3U / 12HP (128mm high x 61mm wide), Aluminium
AMBIENT
TEMPERATURE: 0 ... 50°C
HUMIDITY:
max. 85 %
OPTIONS:
power line input via mains socket in the front panel
RJ45 ethernet connection for monitoring the results via network