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Pattern 2: Dimmer controller is commonly used. A total of 10 RD-20s can be connected in
a daisy chain. A maximum of nine sub RD-20s can be connected.
Remote display RD-20
(Dimmer main)
1 2 11 10 9 8 7 6 5 4 3 2 1
DC
Sensor
FURUNO
DAY
NT
BRILL
DIMMER CONTROLLER
RD-502
RD-502
Note: When you turn off the power for a RD-20 in the daisy chain connection, the RD-20s which
are connected after that RD-20 can receive neither the sensor signal nor the brilliance signal.
Connection of each unit
Process each cable referring to the illustrations below and on the next page. The cables shown
are JIS (Japanese Industrial Standard) cables. For the equivalent cables, see section 3.6.
Fabrication of RD-20 power cable DPYC-1.5
Fabrication of sensor signal cable TTYCS-1
Remote display RD-20
(Dimmer sub)
1 2 11 10 9 8 7 6 5 4 3 2 1
DC
Sensor
TTYCS-1
FURUNO
Signal
DISP
UNIT
MODE
REMOTE CONTROLLER
TD2A
RD-501
TD2B
RD-501
RD-20
120
7
RD-20
110
7
Shield
M4
90
DC
Sensor
TTYCS-1
RD-20 (main) RD-20 (sub)
5
3
6
4
Arbitrary
length
Armor
Sheath
Vinyl tape
Arbitrary
length
Armor
Sheath
Vinyl tape
23
3. INSTALLATION
Remote display RD-20
(Dimmer sub)
1 2 11 10 9 8 7 6 5 4 3 2 1
Signal
RD2A
RD2B
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