Installation manual

Installation Manual
20222006 / Rev. A 11
2 TECHNICAL SPECIFICATIONS
The following specifications are for a standard SimNet system
1
:
Maximum number of products connected in a network: ..................................... 50
Maximum total cable length: ........................................................120 meter (400’)
Bit rate on the bus: (50 times faster than NMEA0183)................250 Kbit / second
Maximum DC current through a single SimNet plug / connector joint:............. 5A
Maximum number of network loads (NL’s) ................................................ 80 NL
2
SimNet power supply: ......................................................................... 12 V Battery
or 15 V Power supply
3
Maximum drop cable length:...............................................................6 meter (20’)
Maximum total length of all drop cables (accumulated): ...............60 meter (200’)
Environment: Cable and plug/connector system............... Dust/water: IP66 (IP67)
Temperature: .......................................................................................70
o
C (158
o
F)
1
If your requirement exceeds what you find in the general specifications,
you should contact your local Simrad representative.
2
A NMEA2000 specification: 1NL equals maximum 50 mA current load on
the network power cable, e.g. a 3NL product will use maximum 150 mA
from the SimNet (node) connection.
3
Must be a standard NMEA2000 power supply with galvanic isolation and
current limiter.