APPENDIX D
Single Amplifier Configuration with N6143/N6081D Controllers
If operating in single amplifier mode, the remote interfacing becomes easier to provide. A
simple RS-485 link is required between the amplifier and the controller to give full func-
tionality. The dual amplifier controller (N6143) can still be used in this set-up as it is fully
configurable to either single or dual amplifier mode of operation. The N6081D is a low-cost,
single amplifier controller that also provides the amplifier parameter display (it uses the low
voltage DC supply from the amplifier, so it does not require a mains power connection).
Examples of the interface wiring for this method of control are as follows:
H
P
R
b
c
d
e
p
HPA
120 O,
1
/
4
W
Cable: screened twisted pair
5
9
3
6
4
1
N6143
CONTROLLER
USING N6143
USING N6081D
A
B
C
D
E
H
J
K
L
P
R
U
b
c
d
e
p
HPA
120 O,
1
/
4
W
120 O,
1
/
4
W
120 O,
1
/
4
W
Twisted pairs
12
13
11
10
1
9
8
7
14
6
5
3
4
2
N6081D
CONTROLLER
HBN63xx-1, Issue 8, Page 48
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