
GE Multilin
C60 Breaker Protection System
3-27
3 HARDWARE
3.2 WIRING
3
3.2.10 IRIG-B
IRIG-B is a standard time code format that allows stamping of events to be synchronized among connected devices within
1 millisecond. The IRIG time code formats are serial, width-modulated codes which can be either DC level shifted or ampli-
tude modulated (AM). Third party equipment is available for generating the IRIG-B signal; this equipment may use a GPS
satellite system to obtain the time reference so that devices at different geographic locations can also be synchronized.
Figure 3–26: IRIG-B CONNECTION
The IRIG-B repeater provides an amplified DC-shift IRIG-B signal to other equipment. By using one IRIG-B serial connec-
tion, several UR-series relays can be synchronized. The IRIG-B repeater has a bypass function to maintain the time signal
even when a relay in the series is powered down.
Figure 3–27: IRIG-B REPEATER
Using an amplitude modulated receiver will cause errors up to 1 ms in event time-stamping.
RELAY
BNC (IN)
RECEIVER
RG58/59 COAXIAL CABLE
GPS SATELLITE SYSTEM
GPS CONNECTION
OPTIONAL
IRIG-B(-)
4A
+
-
827756A5.CDR
IRIG-B
TIME CODE
GENERATOR
(DC SHIFT OR
AMPLITUDE MODULATED
SIGNAL CAN BE USED)
4B
IRIG-B(+)
BNC (OUT)
REPEATER
TO OTHER DEVICES
(DC-SHIFT ONLY)
NOTE
Содержание C60 UR series
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Страница 11: ...GE Multilin C60 Breaker Protection System xi TABLE OF CONTENTS INDEX...
Страница 12: ...xii C60 Breaker Protection System GE Multilin TABLE OF CONTENTS...
Страница 32: ...1 20 C60 Breaker Protection System GE Multilin 1 5 USING THE RELAY 1 GETTING STARTED 1...
Страница 50: ...2 18 C60 Breaker Protection System GE Multilin 2 2 SPECIFICATIONS 2 PRODUCT DESCRIPTION 2...
Страница 98: ...3 48 C60 Breaker Protection System GE Multilin 3 4 MANAGED ETHERNET SWITCH MODULES 3 HARDWARE 3...
Страница 128: ...4 30 C60 Breaker Protection System GE Multilin 4 3 FACEPLATE INTERFACE 4 HUMAN INTERFACES 4...
Страница 390: ...8 18 C60 Breaker Protection System GE Multilin 8 3 ENERVISTA SECURITY MANAGEMENT SYSTEM 8 SECURITY 8...
Страница 394: ...9 4 C60 Breaker Protection System GE Multilin 9 1 FAULT LOCATOR 9 THEORY OF OPERATION 9...
Страница 516: ...D 10 C60 Breaker Protection System GE Multilin D 1 OVERVIEW APPENDIXD D...
Страница 528: ...E 12 C60 Breaker Protection System GE Multilin E 2 DNP POINT LISTS APPENDIXE E...