T
ECHNICAL
D
ATA
6021GPS GPS Satellite Clock - V01.00
39 / 41
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]
6
Technical Data
General Data
Operation:
Via remote software
Protection Class of the board:
IP00
Dimensions:
Euro-Board 160mm x 100mm with 3U/4HP
front panel
Voltage Supply:
5V DC ± 5% (via VG ledge)
Power Consumption:
approx. 230mA
Maintenance-free buffering of the
internal back-up clock:
3 days
MTBF:
> 400,000 hours
Weight:
approx. 0,2kg
Environmental Conditions
Temperature range:
Operation:
0°C to +55°C
Storage:
-20°C to +75°C
Humidity:
max. 90%, not condensed
Accuracy
Internal PPS pulse on GPS reception:
< ± 250ns
VCO control
of the internal quartz base:
± 0.1ppm, after 30min GPS reception
Freewheel accuracy:
± 0.1ppm after at least 1 hour GPS reception /
T = +20°C
•
Drift for T = +20°C
(constant):
- after 1h: 0.36msec.
- after 24h: 8.64msec.
Internal back-up clock
± 25ppm /
for T = +10°C to +50°C
Signal Outputs
Full-duplex serial interfaces
for time
information
(without handshake):
Via VG ledge in RS232 and RS422 level
Full-duplex serial interfaces
for remote
access
(without handshake):
Via 9-pole SUB-D (male) connector in the
front panel (in RS232 level)
Status Optical Coupler:
Via 3-pole stackable screw terminal
Resistive circuit-breaking capacity:
max. 50mA / 80V DC
