5–16 EPM 9450/9650 ADVANCED POWER QUALITY METERING SYSTEM – INSTRUCTION MANUAL
IRIG-B CONNECTIONS CHAPTER 5: COMMUNICATION WIRING
5.10 IRIG-B Connections
IRIG-B is a standard time code format that synchronizes event time-stamping to within 1
millisecond. An IRIG-B signal-generating device connected to the GPS satellite system
synchronizes EPM 9450/9650 meters located at different geographic locations. EPM
meters use an un-modulated signal from a satellite-controlled clock (such as the GE
MultiSync 1588). For details on installation, refer to the User’s Manual for the satellite-
controlled clock in use. Below are installation steps and tips that will help you.
Connection
Connect the (+) terminal of the EPM meter to the (+) terminal of the signal generating
device; connect the (-) terminal of the EPM meter to the (-) terminal of the signal generating
device.
Installation
Set Time Settings for the meter being installed.
1. From the GE Communicator Device Profile menu:
• Click General Settings > Time Settings > one of the Time Settings lines,
to open the Time Settings screen.
• Set the Time Zone and Daylight Savings (Select AutoDST or Enable and set
dates).
• Click Update Device Profile to save the new settings. (See the GE
Communicator Instruction Manual for details.)
2. Before connection, check that the date on the meter clock is correct (or, within
2 Months of the actual date). This provides the right year for the clock (GPS
does not supply the year).
3. Connect the (+) terminal of the EPM meter to the (+) terminal of the signal
generating device; connect the (-) terminal of the EPM meter to the (-) terminal
of the signal generating device.
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