Fairbanks 2800 Series Intrinsically Safe Instrument - Manual (Page 57)

Appendix II: FM Control Drawings
01/12 57 50647 Rev. 9
2800
INDIC
A
T
OR
PCB
ASS
Y
18725
TB2
NOTES: 1.
A
LL
UNUSED GLAND SEALS
ARE PLUGGED.
Ca(Co) G
P
D,
F,G 84 uF
Ca(Co) G
P
C,E 42 uF
La(Lo) G
P
D,
F,G 18.4 mH
It(Io) = 220 ma HAZARDOUS
AREAS:
FOR
TB1
ACC-2880:
C
L III
La(Lo) G
P
C,E 9.2 mH
Po = 0.87 w ENTI
T
Y
OUTPU
T
P
ARAMETERS
C
L II, DIV 1 & 2, G
P
E, F & G
GLAND SE
A
L
C
L I, DIV 1 & 2, G
P
A, B, C
& D
C
L I Zones 0, 1, 2 G
P
IIC, IIB, II
A
La(Lo) G
P
A,B 2.3 mH
Ca(Co) G
P
A,B
14 uF
GROUPS
A, B, C, D, E, F & G
GROUPS IIC, IIB & II
A
PCB
ASS
Y
19797
TB1
JP1
&
ACC-2880
ACC-2880
EXC-
SIG+
SIG-
EXC+
A
P
P
REV DESCRIPTION D
A
TE
----------- REVISIONS -----------
(ANALOG INTER
FACE)
GS3
GS4
TYPIC
A
L
TRANSDUCER
CABLE
75 F
T
MAX
18
A
WG MAX
ACC-2825
(SAFE
ARE
A
INTER
FACE)
PCB
ASS
Y
18414
PN 18448
TB2
SAFE
ARE
A
TB1 TB3
120/240
V
AC
CONNECTING EQUIPMEN
T MUS
T
NO
T
GENER
A TE OR BE CONNECTED
T
O
EQUIPMEN
T
GENER
A
TING MORE
THAN
250 VO
LTS.
T
O COMPUTER
OR PROCESS
CONTRO
L
EQUIPMEN
T
INS
TA
LL
A
TIONS CONFORMING
T
O CS
A
REQUIREMENTS MUS
T
USE CS
A
CE
R
TIFIED EQUIPMEN
T.
GLAND SE
A
L
22 CABLE
A
WG MAX
200 F
T
MAX
REDUCING
THE NUMBER OF PN 21912 B
Y
H
A
LF
.
2.
TWO
TRANSDUCERS M
A
Y
BE
P
ARALLELED
HAZARDOUS
ARE
A
Vt(V0) = 7.875V
1
01-17-01
(PN 21234)
2
06-14-01
22075 changed to 21912
WITH SUI
TABLE
P
ARAMETERS
FOR CLASS, ZONE/DIVISION
AND GROU
P.
STRAIN GAGE BASED
TRANSDUCERS
FM
APPROVED/CS
A
CE
R
TIFIED
3
07-04-01
Added Sum Jct Box 67171
TB2
18
A
WG MAX
100 F
T
MAX
TB3
TB4
TB1
18
A
WG MAX
18
A
WG MAX
18
A
WG MAX
TRANSDUCER TRANSDUCER
PN 21912
TB2 TB3
TB4
TB1
PN 21912
PN 21912
TB4
TB2
TB1
TB3
PN 21912
TB4
TB2
TB1
TB3
TRANSDUCER
TRANSDUCER
TRANSDUCER
TRANSDUCER
TRANSDUCER
TRANSDUCER
TB5
TB1
TB3
P/N 67171
TB2
TB4
TRANSDUCER
TRANSDUCER
TRANSDUCER
TRANSDUCER
OR OR
GLAND SE
A
L
100 F
T
MAX
18
A
WG MAX
MJQ
07-02-03
REV PER ECO 13469
4
OR
P/N 67171M
REV PER ECO 13552
5
06-26-04
MJQ
ADDED SHEETS
11 & 12 PER ECO 14036
6
G
A
L
6-9-09
REV SHEETS 9 & 10 PER ECO 14187
7
G
A
L
2-2-
11
T itle Size
Document Number
Rev
Date:
Sheet
2 2
1 1
B
B
A
A
21943
CONTROL/INS
TA
LL
A TION DR
A WING FOR 2800 INDIC
A T OR
FAIRBANKS SCALES 2176 PO
R TLAND S
T.
B
8
T uesda
y, July 03, 2001
SUITE 1 S T,JOHNSBU
RY
V
T. 05819
NO CHANGE M
A
Y
BE MADE
T
O
THIS DR
A
WING OR RE
LA
TED
COMPONENTS WITHOU
T
PRIOR WRITTEN
APPRO
V
A
L OF
FAC
T
O
RY
MUTUAL!!!!