Furuno TZTL12F Installation Manual page 29

How to connect the DRS radar sensor to CAN bus equipment
Note 1: The DRS4DL sensor does not have CAN bus connectors attached.
The CAN bus network connected to the DRS is its own independent CAN bus
backbone and needs to be terminated at both ends by a terminating resistor. A 120
Ohm resistor is standard supply with the DRS, to terminate the CAN bus.
All DRS radar sensors have one CAN bus
port (Terminal Block connector). You can
directly connect FURUNO CAN bus
sensors to the DRS radar without having to
run another CAN bus cable up the mast. In
this case, each separate CAN bus network
(the DRS CAN bus and the ship CAN bus)
will be "Bridged" together via the Ether
Network. For example, if you install a SC-
30/GP-330B with the DRS CAN bus port, you must have two terminators on the back-
bone. One can be at the sensor and the other located inside the DRS as shown in the
inset at right.
Refer to the DRS installation manual for detailed information regarding connection.
2.6.3 NMEA0183 equipment data input
Note: To output NMEA0183 data, see paragraph 2.3.2.
To connect NMEA0183 equipment to NavNet TZtouch2, use the CAN bus network via
the optional NMEA data converter IF-NMEA2K2 (or IF-NMEA2K1). This NMEA
connection can accept a baud rate of 4800 or 38400.
Heading input to NavNet TZtouch2 allows functions such as Radar Overlay and
course stabilization (North up, Course up, etc.) in the radar operating modes. The
NMEA0183 heading refresh rate needs to be 100 ms in order for any radar function to
work properly. NMEA0183 heading can be accepted on any CAN bus port at a baud
rate up to 38400 bps. In other words, data sent (IF-NMEA) and received (NavNet
TZtouch2) must use the same baud rate for each individual data port.
Note 1: When using the ARPA function, set the heading refresh rate to 100 ms.
Note 2: For more information on connecting and wiring IF-NMEA2K2 or IF-NMEA2K1,
refer to their respective installation manuals.
Resistor assembly
(120 OHM-1007#24-L50,
supplied with DRS)
Twist and
solder then
wrap in vinyl
tape
Blue
GP-330B SC-30
2. WIRING
White
CAN bus cable
2-7