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

Page 25

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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