Section 4: electrical installation – Fairbanks Trident Precast Concrete Deck Truck Scale User Manual
Page 25

04/11
25
51255 Rev. 2
Section 4: Electrical Installation
A. Load cell wiring color codes
5¼” RC 30t (66,000 lbs.) Load Cell (part no 70510) LCF-HR4020-2A
Black
(-) Excitation
Green
(+) Excitation
Red
(-) Signal
White
(+) Signal
Yellow
Shield
B. Wiring – 21912 Analog Junction Box
Cells to J-Box 21912 – 1 box per section
Position
TB3
TB4
1
BLACK
(-) EXC
(-) EXC
2
GREEN
(+) EXC
(+) EXC
3
(+) SENSE
(+) SENSE
4
(-) SENSE
(-) SENSE
5
N/C
N/C
6
YELLOW
SHIELD
SHIELD
7
WHITE
(+) SIG
(+) SIG
8
RED
(-) SIG
(-) SIG
J-Box to J-Box
Position
TB1 or TB2 TO
TB2 (second box) or TB1
1
BLACK
(-) EXC
(-) EXC
2
GREEN
(+) EXC
(+) EXC
3
BLUE
(+) SENSE
(+) SENSE
MUST BE
4
ORANGE
(-) SENSE
(-) SENSE
USED
5
N/C
N/C
N/C
6
SHIELD
SHIELD
SHIELD
7
WHITE
(+) SIG
(+) SIG
8
RED
(-) SIG
(-) SIG
Instrument to J-Box
Position
TB1 or TB2
1
(-) EXC
2
(+) EXC
3
(+) SENSE
4
(-) SENSE
6
SHIELD
7
(+) SIG
8
(-) SIG