Rosemount 890, Инструкция по эксплуатации

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U
NPACKING AND
I
NSTALLATION
Rosemount Analytical 748460-A January 2000
2-8
2.10.3 A
UTO
Z
ERO
/S
PAN
C
ONNECTIONS
Refer to Figure 2-4 and Drawings 652715 and 656139. Connect cable (customer
supplied) to the 9-pin connectors J2 and J3. The Auto Zero/Span Option consists of
four form C contacts rated 3A-125/250 VAC or 5A-30 VDC (resistive) and two form A
contacts rated at 10 watts maximum switching power, 200 VDC maximum switching
voltage and 0.5 A maximum switching current.
Run the cable through the cable gland and tighten once the connector has been
secured (Figure 2-2).
If installed, this board can also be activated from the keyboard (Zero/Span) for the
selected range.
F
IGURE
2-4. A
UTO
Z
ERO
/S
PAN
C
ONNECTIONS
1 U 4
K 5
J1
1
U 2
U 3
R P 1
U 1
1
1
1
1
E 4 E 2 E 1
C R 1 R 4
C R 2
F T 2 K 2
R 5
F T 3
C R 3
K 3
R 6
J2 F T 1 K 1
Q 1
E
B
C
Q 2
E
B
C
Q 1
E
B
C
J3
K 4 F T 4
K 6
C R 5 R 8
Q 5
E
B
C
Q 1
E
B
C
R 10
C 3
R 1 R 1
R 2
R 3
C R 4 R 7
Q 4
E
B
C
C 2
C 1
+
Interconnect
Cable
Jumper Selectable
Address
Outlet
Cable