Irig-B In The Multisync 100 1588 Gps Clock - GE MultiSync 100 Instruction Manual

CHAPTER 2: THEORY OF OPERATION

IRIG-B in the MultiSync 100 1588 GPS Clock

MULTISYNC 100 GPS CLOCK – INSTRUCTION MANUAL
With the IEEE 1344 extensions OFF (no BCD
the IEEE 1344 extensions ON, these codes are BOO6 and B126. These time codes are
defined by the clock settings as well as the ability of IEDs connected to the clock to support
these implementations. A limitation of IRIG is that there can be only one time code on any
clock connection string.
The MultiSync 100 has two TTL (coaxial) output ports, each of which can be configured to
provide an IRIG-B time signal, independent of the other port. The MultiSync 100 supports
both DC Level Shift and Modified Manchester time codes. The complete time code
designations supported are:
• B002: DC Level Shift, only BCD
On the GE Configuration tool I/O tab:
– Under IRIG-B / Pulse Output Port select IRIG-B, and set Modulation to DCLS.
– Under IRIG-B Stream, set Extensions to None, and leave Binary code in seconds
unchecked.
• B006: DC Level Shift, BCD
On the GE Configuration tool I/O tab:
– Under IRIG-B / Pulse Output Port select IRIG-B, and set Modulation to DCLS.
– Under IRIG-B Stream, set Extensions to C37.118, and leave Binary code in
seconds unchecked.
• B007: DC Level Shift, BCD
On the GE Configuration tool I/O tab:
– Under IRIG-B / Pulse Output Port select IRIG-B, and set Modulation to DCLS.
– Under IRIG-B Stream, set Extensions to C37.118, and check Binary code in
seconds.
• B232: Modified Manchester, only BCD
On the GE Configuration tool I/O tab:
– Under IRIG-B / Pulse Output Port select IRIG-B, and set Modulation to Modified
Manchester.
– Under IRIG-B Stream, set Extensions to None, and leave Binary code in seconds
unchecked.
• B236: Modified Manchester, BCD
On the GE Configuration tool I/O tab:
– Under IRIG-B / Pulse Output Port select IRIG-B, and set Modulation to Modified
Manchester.
– Under IRIG-B Stream, set Extensions to C37.118, and leave Binary code in
seconds unchecked.
• B237: Modified Manchester, BCD
On the GE Configuration tool I/O tab:
– Under IRIG-B / Pulse Output Port select IRIG-B, and set Modulation to Modified
Manchester.
– Under IRIG-B Stream, set Extensions to C37.118, and check Binary code in
seconds.
) these time codes are B002 and B122; with
YEAR
in the time code.
TOY
and BCD in the time code.
TOY YEAR
, BCD , and SBS in the time code.
TOY YEAR
in the time code.
TOY
and BCD in the time code.
TOY YEAR
, BCD , and SBS in the time code.
TOY YEAR
THE IRIG-B TIME CODE STANDARD
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