Wiring diagram load cells in hazardous areas, 36 load cell wiring for hazardous environments – Rice Lake Load Cells - Wiring for Hazardous Environments User Manual

Page 39

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36

Load Cell Wiring for Hazardous Environments

RL75058B

RL75016

RL75040

RL75223B

RL70000C

RL90000-100K

RL75016SS

OPTIONAL

JUNCTION

+OUT

-OUT

-EXC

+EXC

HAZARDOUS LOCA

TION

INTRINSICALL

Y SAFE - CLASS I,II,III, DIVISION 1, GROUPS A-G

FOR 12V DC MAX. SUPPL

Y & 700 OHM CELLS

+SEN

-SEN

C) MAXIMUM ALLOW

ABLE CABLE LENGTH IS 600 FEET

.

B) MAXIMUM CABLE INDUCT

ANCE IS 0.126mH.

NOTE: A) MAXIMUM CABLE CAP

ACIT

ANCE IS 0.206uF

.

10V EXC

VOL

T

AGE A

T

LOAD CELL

NUMBER OF

LOAD CELLS

6

8

2

4

1

3.9V

3.2V

4.9V

6.2V

7.9V

3.6V

3.0V

8V EXC

4.4V

5.7V

6.6V

BOX

700 OHM

LOAD CELL

BRIDGE

LOAD CELL

MODEL NUMBERS:

2

4

SENSE (RECOMMENDED)

DRAWING REVISIONS MUST BE APPROVED

BY F

ACTOR

Y MUTUAL PRIOR TO RELEASE.

(1 TO 8 CELLS)

OPTIONAL

BARRIER

BOX

MTL764 AC

4

3

OUTPUT

SIGNAL, mV

2

1

0-12V OR 12V FLOA

TING

NON - HAZARDOUS LOCA

TION

100 mA

MAX

MTL761

MTL764 AC

3

4

3

MTL761

3

4

EXCIT

A

TION SUPPL

Y

(12VDC MAX.)

LOAD CELL

REMOTE

1

2

1

1

2

SCALE

TREA

TMENT

ANGLE

3 PLC

2 PLC

TOL.

DECIMAL

DRAWING TOLERANCES

TITLE

SHEET OF

DWG NO

THIS DRAWING AND ALL INFORMA

TION CONT

AINED HEREIN IS AND REMAINS

THE PROPER

TY OF RICE LAKE WEIGHING SYSTEMS INC. AND IS CONFIDENTIAL.

IT IS SUBMITTED AND MA

Y BE USED ONL

Y IN CONNECTION WITH RICE LAKE

WEIGHING SYSTEMS' PROPOSAL AND/OR ITS CUSTOMERS' ORDERS. IT SHALL NOT BE

DISCLOSED TO OTHERS OR COPIED WITHOUT RICE LAKE WEIGHING SYSTEMS' SPECIFIC

WRITTEN CONSENT AND SHALL BE IMMEDIA

TEL

Y RETURNED UPON REQUEST

.

REVISION

REVISIONS

REV

REFERENCE

INIT

DA

TE

ALL THREADS TO BE CLASS 2

UNLESS OTHER

WISE SPECIFIED

ALL DIMENSIONS APPLICABLE AFTER TREA

TMENT

UNLESS OTHER

WISE SPECIFIED

DO NOT SCALE

DRAWING

SURF

ACE

FINISH

MA

TERIAL

THIRD ANGLE PROJECTION

UNITS TO BE INCHES

FOR RL

WS

USE ONL

Y

RICE LAKE WEIGHING SYSTEMS

MFG.ENG.

DR.BY

APPROVED

DES.ENG.

APPROVED

CKD.

WIRING DIAGRAM

LOAD CELLS IN HAZARDOUS AREAS

53414

1:1

39

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SEE NOTES

NONE

C

SBD 10/28/99

0

-

+

-

+

-

+

9

11

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