EST LSS4 - Page 114

System
Calculations
A.10
R
2.4
'”' I
vu
•
RMAX-
Maximum
allowable
wireres
istance.
• I MAX =
Wire
resistanceper
1,000'
(305m)
pair.
Note:2.4 =
Maximum
allowable
voltage
drop.
Using
Table
A-6,
WireRes
is
tance,the
maximum
RSA4-CPU
distance
fromthe
power
supply
usingany
listed
wire
gaugemaybe
determinedas
follows:
Table
A-6:
Wire
Pair
Resistance
Wire
Size
Resistanceper
1000'
Pair
(AWG)
R/1000’Pair
D —
#18
#16
#14
#12
Where:
13.0Q
8.0C
5.2C
3.2U
• D -
Distancein
feet.
-
RMAX=
Maximum
allowable
wire
resistance.
• iU
1000'
PAIR=
Wire
resistanceper
1,000’
(305m)
pair.
Table
A-7,
shown
below,was
derivedusing
this
method.
LSS4
Installation,
Operation,and
Maintenance
Manual