Manual

ELECTRICAL INSTALLATION
NORMARC 7033
4-21
©1999 Navia Aviation AS
INSTRUMENT LANDING SYSTEM
GENERAL DESCRIPTION
4.5 DC Loop
The DC loops are connected to the Connection Interface board CI1210A in the cabinet back
section. Location and pin out are illustrated in Figure 4-5
• DL_REF* are the reference voltages from the main cabinet.
• DL_DETECT* are the return voltages from the antennas.
• GND is main cabinet ground.
Suitable female connectors are Weidemüller BLZ-5.08/6 or equivalent.
Figure4-5 DC loop connections.
TEMP
INDOOR
TEMP
OUTDOOR
AC
LEVEL
ANALOG
CH.1
ANALOG
CH.2
ANALOG
CH.3
DIGITAL
PORT A
DIGITAL
PORT B
DIGITAL
PORT C
DIGITAL
PORT D
TO MB1203
RS232 RS232 RS232
REMOTE
CONTROL
DC-LOOP DC-LOOP DME
LOCAL REMOTE 2
REMOTE 1
CH.1&2 CH.3&4
1
6
DC-LOOP
CH.1&2
DC-LOOP
CH.3&4
1 - Ch 1 In
2 - Ch 1 Out
3 - GND
4 - Ch 2 In
5 - Ch 2 Out
6 - GND
CI 1210A
1 - Ch 3 In
2 - Ch 3 Out
3 - GND
4 - Ch 4 In
5 - Ch 4 Out
6 - GND
1
6
BATTERY
WARNING
HBK579-2
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