Meinberg TCR170PEX Manual de usuario descargar pdf (Pagina 6)

Description of IRIG-Codes

The specification of individual IRIG time code formats is defined in IRIG Standard

200-98. They are described by an alphabetical character followed by a three-digit

number sequence. The following identification is taken from the IRIG Standard 200-

98 (only the codes relevant to TCR170PEX are listed):

character bit rate designation A 1000 pps

B 100 pps

1st digit form designation 0 DC Level Shift

width coded

1 sine wave carrier

amplitude modulated

2nd digit carrier resolution 0 no carrier (DC Level Shift)

1 100 Hz, 10 msec resolution

2 1 kHz, 1 msec resolution

3 10 kHz, 100 μsec resolution

3rd digit coded expressions 0 BCD, CF, SBS

1 BCD, CF

2 BCD

3 BCD, SBS

BCD: time of year, BCD-coded

CF: Control-Functions (user defined)

SBS: seconds of day since midnight (binary)

1 2 3 4 5 6 7 8 9 10 11 ... 35 36

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Meinberg TCR170PEX Manual de usuario Pagina 6