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2 Technical Data
PCS-9785 Satellite-Synchronized Clock
2-5
Date: 2019-07-05
6.4/16μs, 1000A/m
Conducted RF
electromagnetic disturbance
IEC 60255-26-2013, Class III
Power supply, AC, I/O, Comm. Terminal: 10Vrms, 150kHz~80MHz
Spot frequency, f=27MHz/68MHz
Power frequency immunity
IEC 60255-26-2013, Class A
Common mode: 300V
Differential mode: 150V
Conducted emission
IEC 60255-26-2013, Class A
f=0.15MHz~0.5MHz/0.5kHz~30MHz
Radiated emission
IEC 60255-26-2013, Class A
f=30MHz~230MHz/230MHz~1000MHz
Damped oscillatory magnetic
field immunity
IEC 61000-4-10:2001, Class V
100kHz & 1MHz, 100A/m
Power supply performance
- Voltage dip
- Voltage short interruption
IEC 60255-26-2013
Max. 200ms for dip to 40% (then recovery) of rated voltage (Un = 220Vdc)
without reset
Max. 100ms for interruption of rated voltage (Un = 220Vdc) without reboot
2.7 Clock Synchronization Specifications
2.7.1 PPS/PPM/PPH
RS-485
TTL
Contact
Rising edge (max.)
50ns
50ns
200ns
Accuracy (max.)
100ns
100ns
3μs
Pulse width
10~200ms
10~200ms
10~200ms
2.7.2 IRIG-B DC Code
RS-485
TTL
Contact
Rising edge (max.)
50ns
50ns
200ns
Accuracy (max.)
100ns
100ns
3μs
Format
B000 (According to IEEE 1344:1995, add "Year" between P50~P58).
2.7.3 IRIG-B AC Code
Carrier waveform
Sinusoidal wave
Carrier frequency
1kHz
Voltage magnitude
0~10V (phase-phase), continuously adjustable
Modulation ratio
3:1
Accuracy
Max. 15μs
Time code format
B120 (According to IEEE 1344:1995, add "Year" between P50~P58).
2.7.4 Serial Port Timing Message
Baudrate
1200bps, 2400bps, 4800bps, 9600bps, 19200bps, 38400bps, 57600bps,
115200bps
08020
08020
08020
08020
08020
08020
08020
08020
08020