ABB Relion 670 series REC670 - Page 69

Table 97. IRIG-B
Quantity Rated value
Number of channels IRIG-B 1
Number of channels PPS 1
Electrical connector:
Electrical connector IRIG-B BNC
Pulse-width modulated 5 Vpp
Amplitude modulated
– low level
– high level
1-3 Vpp
3 x low level, max 9 Vpp
Supported formats IRIG-B 00x, IRIG-B 12x
Accuracy +/-10μs for IRIG-B 00x and +/-100μs for IRIG-B 12x
Input impedance 100 k ohm
Optical connector:
Optical connector PPS and IRIG-B Type ST
Type of fibre 62.5/125 μm multimode fibre
Supported formats IRIG-B 00x, PPS
Accuracy +/- 2μs
Bay control REC670
1MRK511232-BEN E
Pre-configured
Product version: 1.2
ABB 69