Meinberg GPS163AHS, Руководство по эксплуатации

Страница: 15 / 28

15
Technical specifications GPS163xHS
RECEIVER: 6 channel C/A code receiver with external
antenna/converter unit
ANTENNA: Antenna/converter unit with remote power supply
refer to chapter "Technical specifications of antenna"
ANTENNA
INPUT:
Antenna circuit dc-insulated; dielectric strength: 1000V
Length of cable: refer to chapter "Mounting the antenna"
TIME TO SYNCHRO-
NIZATION:
one minute with known receiver position and valid almanac
12 minutes if invalid battery buffered memory
BATTERY
BACKUP:
storage of pulse configuration and important GPS-system data in
the internal RAM, backed-up by lithium battery
lifetime of battery 10 years min.
PULSE
OUTPUTS:
three programmable outputs
insulation via optocouplers
U
CEmax
= 55 V, I
Cmax
= 50 mA, P
tot
= 150 mW, V
iso
= 5000 V
pulse delay: t
on
e.g. 20 µsec (I
C
= 10 mA)
t
off
e.g. 3 µsec (I
C
= 10mA)
default settings: all pulse outputs inactive
mode of operation: 'if sync'
option: PhotoMOS relays
U
max
= 400 V, I
max
= 150 mA, P
tot
= 360 mW, V
iso
= 1500 V
ACCURACY OF
PULSES:
better than ±1 µsec after synchronization and 20 minutes of
operation
better than ±3 µsec during the first 20 minutes of operation