Saab R5 SUPREME AIS, Руководство по эксплуатации и установке

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R5
SUPREME - Navigation System
ELECTRICAL INTERFACES
7000 118-301, A Page 146
13.2.4 Electrical Characteristics of R4 Navigation Sensor digital ports
13.2.4.1 Speed Log Out Port
The Speed Log Out port provides a 50 ms long 5 V pulse with an interval
corresponding to the ship‘s present speed, and system configuration.
The speed pulse interval has a resolution of 50 ms, providing a resolution of 0.5
knots up to 10-20 knots depending on pulse rate and a working range up to 30
knots.
The port has a driving capacity of 10 mA.
Note: Signal GND is internally connected to the negative power supply of the
R4 Navigation Sensor
.
13.2.4.2 Alarm Acknowledge Binary Port
The ―Alarm Ack In‖ wire should be connected to Alarm Ack GND via a normally open
momentary switch, capable of handling a 1 mA current
Note: Alarm Ack GND is internally connected to the negative power supply of
the R4 Navigation Sensor
.
13.2.4.3 Alarm Out Binary Port
Connects to an external alarm relay, voltages are referenced to system Power GND.
The port has a driving capacity of 50 mA and a minimum load resistance of 460 Ω.
Alarm Active: 0 VDC
No Alarm active: 23 VDC ( when sensor external power is 24VDC)
11 VDC ( when sensor external power is 12VDC)