User's Manual

Table Of Contents
USER MANUAL
6-8
21464-5
NORMARC 7050
MARKER BEACON
Electrical installation ©1999 Navia Aviation AS
Figure 6-9 Local PC RS232 connection
6.1.8 Analogue Inputs
The analogue inputs are connected to the CI1376 connection interface board as illustrated in
Figure 6-10.
The inputs are:
Analogue Channel 1-3 - three differential DC analogue inputs, P (pin-1) is the positive and
N (pin-3) is the negative terminal, and pin 2 is GND.
Maximum voltage: ±15V
Input impedance: 10k
Temp Indoor and Outdoor - temperature measurement inputs with interface to an LM35
temperature sensor.
Maximum voltage: ±15V
Input impedance: 10k
AC Level - AC level measurement input. Intended for use with a battery eliminator to moni-
tor the mains voltage.
Maximum voltage: 24Vpp
1 - Not used
2 - RXD
3 - TXD
4 - Not used
5 - GND
6 - Not used
7 - RTS
8 - CTS
9 - Not used
HBK790-1