Rice Lake Load Cells - Wiring for Hazardous Environments - Manual (Page 41)

38 Load Cell Wiring for Hazardous Environments
RL20001-T10 RL35023-N5 RL20000B RL90000 RL30000 RL30000W RL35023SS RL1521 RL35023
+ + - + - -
FOR 20V DC MAX. SUPPL
Y & 350 OHM CELLS
INTRINSICALL
Y SAFE - CLASS I,II,III, DIVISION 1, GROUPS A-G
C) MAXIMUM ALLOW
ABLE CABLE LENGTH IS 2000 FEET
.
B) MAXIMUM CABLE INDUCT
ANCE IS 0.430mH.
NOTE: A) MAXIMUM CABLE CAP
ACIT
ANCE IS 0.206uF
.
7.6V 3.3V 4.1V 5.4V
VOL
T
AGE A
T
LOAD CELL
(15V EXCIT
A
TION)
NUMBER OF LOAD CELLS
3 4 1 2
JUNCTION
BOX
OPTIONAL
LOAD CELL
BRIDGE
350 OHM LOAD CELL
MODEL NUMBERS:
350 OHM
+SEN +OUT -OUT -SEN -EXC
HAZARDOUS LOCA
TION
+EXC
DRAWING REVISIONS MUST BE APPROVED BY F
ACTOR
Y MUTUAL PRIOR TO RELEASE.
(1 TO 4 CELLS)
BARRIER
BOX
OPTIONAL NON - HAZARDOUS LOCA
TION
1
3
MTL764 AC MTL764 AC
3 4 3 4
100 mA
MAX
3
1 2 1 2
MTL766 + MTL766 -
1
LOAD CELL SIGNAL, mV EXCIT
A
TION SUPPL
Y
(20VDC MAX.) SENSE (RECOMMENDED) 0-20V OR 20V FLOA
TING
OUTPUT REMOTE
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
59
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SEE NOTES
NONE
C
SBD 10/28/99
0
11
10