EUD-2016026-00 Rev.2, SmartScanIS User’s Guide for Union Pacific, 14 January 2021
61
4.6.1.6 Connector P11
On the System Interface board, the 32-pin connector P11 contains power supply and control
signals for the Scanner Interface board.
The table below shows the pinout of connector
P11
. If the track runs north and south, rail1 is
the east rail and rail2 is the west rail. If the track runs east and west, rail1 is the north rail and
rail2 is the south rail.
Pin 1
+5 VDC for heater relay.
Pin 2
Supplies a ground to activate the
shutter relay.
Pin 3
Supplies a ground to activate the
heater relay.
Pin 4
+5 VDC for shutter relay.
Pin 5
Ground.
Pin 6
Ground.
Pin 7
Ground return for the heat signal
from bearing scanner on rail1.
Pin 8
Heat signal from bearing scanner on
rail1.
Pin 9
Ground return for the heat signal
from bearing scanner on rail2.
Pin 10
Heat signal from bearing scanner on
rail2.
Pin 11
Ground return for the heat signal
from wheel scanner on rail1.
Pin 12
Heat signal from wheel scanner on
rail1.
Pin 13
Ground return for the heat signal
from wheel scanner on rail2.
Pin 14
Heat signal from wheel scanner on
rail2.
Pin 15
Not Connected
Pin 16
Not Connected
Pin 17
Not Connected
Pin 18
Not Connected
Pin 19
Ground.
Pin 20
Ground.
Pin 21
Ground.
Pin 22
Ground.
Pin 23
Ground.
Pin 24
Ground.
Pin 25
+12 VDC to the Scanner Interface
board.
Pin 26
+12 VDC to the Scanner Interface
board.
Pin 27
+12 VDC to the Scanner Interface
board.
Pin 28
+12 VDC to the Scanner Interface
board.
Pin 29
+12 VDC to the Scanner Interface
board.
Pin 30
+12 VDC to the Scanner Interface
board.
Pin 31
+12 VDC to the Scanner Interface
board.
Pin 32
+12 VDC to the Scanner Interface
board.
Содержание SmartScanIS
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