LCD6000
Installation manual
PAGE - 15
LCD6000_manu-inst
Doc. M-184.1-LCD6000T-ENG Rev A.2
NOTIFIER ITALIA
Installation in “Multi-Point” configuration (Daisy Chain)
–
Shared Power
Connect two wires from the RS.485
terminals of the control unit (LIN+
and LIN- terminals) to the
correspondent terminals of the first
device on the line.
Continue the wiring from the first
device to the subsequent one, and
so on.
Install the line end resistance (120-
150
, 0.5W) on both the control
unit terminals and the terminals of
the last line device.
The maximum admitted length from
the control unit to the last device is
1.5km.
Use screened cable of appropriate
section 9574 or 9575 Belden type
GND
+24V
AM-2000
13
EOL= 120
LCD-6000T
12
7
1
2 3
4
EOL= 120
23
22
LCD-6000T
1
2 3
4 5
5
6 7
6 7
GND
+24V
AM-4000
17
EOL= 120
LCD-6000T
16
11
1
2 3
4
EOL= 120
31
30
LCD-6000T
1
2 3
4 5
5
6 7
6 7
GND
+24V
AM-6000
9
EOL= 120
LCD-6000T
8
7
1
2 3
4
EOL= 120
2
1
LCD-6000T
1
2 3
4 5
5
6 7
6 7
Typical RS.485 Multi-point connection (Daisy Chain) Shared Power
(
supply voltage of 24V central utilities
)