Fairbanks 2800 Series Intrinsically Safe Instrument - Manual (Page 53)

Appendix II: FM Control Drawings
01/12 53 50647 Rev. 9
2 2
1 1
B
B
A
A
21943
C ONTROL/INST
ALLA
TION DRA
W
ING FOR 2800 INDICA
T O R
FA
IRBANKS SCALES
2176 POR
T LAND ST
.
B
4
T uesda
y, July 03, 2001
SUITE 1 ST
,JOHNSBUR
Y V
T.
05819
T itle Siz
e
Document Number
Rev
Dat
e :
Sheet
BA
T T ER
Y P
A CK
PCB ASSY 18725
TB2
NO
TES:
1. ALL UNUSED GLAND SEALS ARE PL
UGGED
.
C
a
(C
o) GP D
,F
,G 84 uF
C
a
(C
o) GP C,E 42 uF
La(L
o) GP D
,F
,G 18.4 mH
It(Io) = 250 ma HAZARDOUS AREAS: V
t(
V
o) = 7.02v
FOR TB1
A
C
C-2880:
CL III La(L
o) GP C,E 9.2 mH
P
o
= 0.88 w
ENTIT
Y OUTPUT P
A
RAME
TERS
CL II, DIV 1 & 2, GP E, F & G
GLAND SEAL
CL I, DIV 1 & 2, GP A, B
, C
&
D
CL I Z
ones 0, 1, 2 GP IIC, IIB
, IIA
La(L
o) GP A,B 2.3 mH
C
a
(C
o) GP A,B
14 uF
PN 20615 A
C
C-2830
GROUPS A, B
, C, D
, E, F & G
GROUPS IIC, IIB & IIA
PCB ASSY 19797
TB1
JP1
A
C
C-2880
EX
C-
SIG+
SIG-
EX
C+
WITH SUIT
ABLE P
A
RAME
TERS
FOR CLASS, Z
ONE/DIVISION AND GROUP
.
STRAIN GA
GE BASED
TRANSDUCERS
2. M
A
XIMUM
TRANSDUCER CABLE LENGTH/WIRE GA
GE 75 FT/20A
WG.
APP
RE
V DESCRIPTION D
A
TE
----------- RE
VISIONS -----------
GS3
GS4
T
Y
PICAL TRANSDUCER
CABLE
TB2
75 FT M
A
X
18 A
WG M
A
X
100 FT M
A
X
3.
T
W
O
TRANSDUCERS M
A
Y P
A
RALLELED REDUCING
THE NUMBER OF PN 21912 B
Y
HALF
.
1
01-17-01
TB3
TB4
TB1
18A
WG M
A
X
1 8A
WG M
A
X
1 8A
WG M
A
X
TRANSDUCER TRANSDUCER
2800
INDICA
T
OR
& A
C
C-2880
(PN 21234)
(ANAL
OG INTERF
A CE)
PN 21912
06-14-01
2
22075 changed t
o
21912
TB2 TB3
TB4
TB1
PN 21912
PN 21912
TB4
TB2
TB1
TB3
PN 21912
TB4
TB2
TB1
TB3
F
M
APPROVED/CSA CER
TIFIED
TRANSDUCER
TRANSDUCER
TRANSDUCER
TRANSDUCER
TRANSDUCER
TRANSDUCER
3
07-04-01
A
d
ded Sum Jc
t Bo
x 67171
GLAND
TB5
TB1
TB3
P/N 67171
TB2
TB4
TRANSDUCER
TRANSDUCER
TRANSDUCER
TRANSDUCER
OR OR
SEAL
18 A
WG M
A
X
100 FT M
A
X
MJQ
07-02-03
RE
V PER EC
O 13469
4
P/N 67171M
OR
06-26-04
MJQ
RE
V PER EC
O 13552
5
ADDED SHEE
T S 11 & 12 PER EC
O 14036
6
GAL
6-9-09
RE
V SHEE
T S 9 & 10 PER EC
O 14187
7
2-2-11
GAL
NO CHANGE M
A
Y BE M
ADE
T
O
THIS DRA
WING OR RELA
TED
C
OMPONENT
S
WITHOUT PRIOR
WRIT
TEN APPROV
AL OF F
A
C
T
OR
Y MUTU
AL!!!!