U
NPACKING AND
I
NSTALLATION
2-8
October 1999 Rosemount Analytical 748250-L
Model 880A Non-Dispersive Infrared Analyzer
Note: The Dual Alarm, Fail Safe Alarm and Calibration Gas Control use the same board. However, the jumpers
locations are different.
Cal Gas Control: E1, E4, E5 - E7 and E9 - E10
Dual Alarm: E1, E2, E5 - E7 and E9 - E10
Fail Safe Alarm: E1, E2, E6 - E7 and E8 - E10
F
IGURE
2-5. C
ALIBRATION
G
AS
C
ONTROL AND
A
LARM
C
ONNECTIONS
2.10.1 A
LARM
C
ONNECTIONS
Refer to Figures 2-3, 2-5 and drawing 655147. Connect cable (customer supplied) to
the 6-pin connector J2. The Dual Alarm consists of two form C contacts rated
3A-125/250 VAC or 5A-30 VDC (resistive).
Run the cable through the cable gland and tighten once the connector has been
secured.
2.10.2 C
URRENT
O
UTPUT
C
ONNECTIONS
Refer to Figures 2-3, 2-6 and Drawing 655147. Connect cable (customer supplied) to
the 2-pin connector J2. The voltage-to-current board has a fixed address at the top of
the board.
Run the cable through the cable gland and tighten once the connector has been
secured.
2.10.3 C
ALIBRATION
G
AS
C
ONTROL
C
ONNECTIONS
Refer to Figures 2-3, 2-5 and Drawing 655147. Connect cable (customer supplied) to
the 6-pin connector J2. The Calibration Gas Control consists of two form C contacts
rated 3A-125/250 VAC or 5A-30 VDC (resistive). Run the cable through the cable
gland and tighten the latter once the connector has been secured.
C 1
+
C 1
J1
E 4 E 2 E 1
R 1
R 2
R 8
R 6
Q 1
E
C
B
B B
F T2
F T1
A
C
A
C
C R 1
K 2
C R 2
Q 2
E
C
B
R 7
E 10
E 8
E 9
E 7
E 6
E 5
U 2
C 3 R 9
U 3
P R 1
U 1
U 4
K 1
J2
R 5
R 4
R 3
1
1
1
1
1
1
C A L
62 44 19 C T R L
D U A L
62 42 07 A LA R M
F AIL
65 43 98 S AF E A LA R M
Jumper Selectable
Address
Outlet
Cable
Interconnect
Cable
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