Pulse rates:
Element rate: 100 per second.
Position identifier rate: 10 per second.
Reference marker rate: 1 per second.
Element identification: The "on time" reference point for all elements is the pulse leading
edge.
Index marker (Binary 0 or uncoded element): 2 millisecond duration.
Code digit (Binary 1): 5 millisecond duration.
Position identifier: 8 millisecond duration.
Reference marker, 1 per second. The reference marker appears as two consecutive pos
ition identifiers. The second position identifier marks the on-time point for the succeeding
code word.
Resolution:
Pulse width coded signal: 10 milliseconds.
Amplitude modulated signal: 1 millisecond.
Carrier frequency: 1kHz when modulated.
Table 5-14:
IRIG B control function field
C.F. Element # Digit #
Function
50
1
Space
51
2
Space
52
3
Space
53
4
Space
54
5
Space
55
6
Time Sync Status
56
7
Space
57
8
Space
58
9
Space
59
PID P6
Position Identifier
60
10
Years Units Y1
61
11
Years Units Y2
420
NetClock User Reference Guide
APPENDIX
Содержание NetClock 9400 Series
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Страница 42: ...BLANK PAGE 1 11 Regulatory Compliance 26 CHAPTER 1 NetClock User Reference Guide Rev 16...
Страница 160: ...BLANK PAGE 2 17 Configuring Outputs 144 CHAPTER 2 NetClock User Reference Guide Rev 16...
Страница 238: ...BLANK PAGE 3 5 Managing the Oscillator 222 CHAPTER 3 NetClock User Reference Guide Rev 16...
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