Environmental
MX51x CDU Console:
Operating Temperature: -15 to +55 °C. IEC/EN 60945 Ed. 4
Storage Temperature: -30 to +70 °C. IEC/EN 60945 Ed. 4
Humidity: IEC/EN 60945 Ed. 4
Vibration: IEC/EN 60945 Ed. 4
Corrosion: IEC/EN 60945 Ed. 4
EMI: IEC/EN 60945 Ed. 4
Water Resistance: IPC 65
IMO: MSC 112 (73), IEC 61108-1, IEC 61162-1, IEC 60945 Ed. 4
FCC: Part 15, Subpart B, Class B
Compass Safe Distance: > 1 m. (Recommended)
Power
MX51x CDU :
Power Supply Type: DC/ DC switch mode with galvanic separation
Consumption: <11W (display back light on). Typical 8W at 24 volt external
supply voltage. Typical 8.7W at 12 volt external supply voltage
Supply voltage: 10.5 to 32 VDC
Reverse protection: -100 volt: internal diode
Over voltage protection: +40 volt: fuse and transient voltage suppression
Fuse: Internal over current / over temperature fuse. Automatic
resetting
Insulation: Supply voltage to data pins or shield: Maximum 50 VDC
Antenna supply: 12 VDC, @ 500mA
MX Antennas:
MX 421B: 12 VDC, 280 mA
MX 521A: 12 VDC, 200 mA
MX 525A: 12 VDC, 200 mA
MX51x CDU Inputs and Outputs
MX510: 2 NMEA Ports (RS-422)
MX512: 9 NMEA Ports (8x RS-422, 1x RS-232)
The input and output circuits of the serial interfaces meet the requirements of:
•
NMEA 0183 version 1.5, 2.0, 2.1, 2.2 & 2.3
• IEC 61162-1 including the requirements of ITU-T V.11.
NMEA talker (all outputs):
Levels: Maximum ±6 volt, minimum ±2 volt, A out relative to B out
Current: Minimum 15mA
Protection: -1 volt to +6 volt, output relative to shield, ±50 volt, output
relative to external power lines
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