GE Energy
56
994-0089–1.00–2, General
IRIG-B Input Adapter
IRIG-B Distribution Adapter
The IRIG-B Distribution Adapter (GE Part No. 520-0212) is an optional IRIG-B output card
to supply an IRIG-B (TTL) signal passed from the IRIG-B Input card to attached IEDs. The
IRIG-B Distribution card provides four channels on a single terminal block. Each channel
is capable of supplying a signal to up to four IEDs, for a total of 16 IEDs. The IRIG-B
Distribution card plugs into a dedicated IRIG-B slot (slot 10) on the D400.
IRIG-B Distribution Adapter
IRIG-B Distribution Terminal Block Signal Definitions
Channel Terminal
Block
Position
Function Signal
Flow
Channel 1
1
IRIG-B TTL
OUT
2 GND
-
3 FGND
-
Channel 2
4
IRIG-B TTL
OUT
5 GND
-
Channel 3
6
IRIG-B TTL
OUT
7 GND
-
8 FGND
-
Channel 4
9
IRIG-B TTL
OUT
10
GND
-
Note:
The terminal block positions are numbered from 1 to 10 starting from the bottom
of the card.
