Ashcroft IXLdp Foglio di istruzioni - Pagina 2
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MODEL IXLdp TRANSDUCER
INSTRUCTION SHEET
PHYSICAL
Weight: approx. 2 lbs.
NEMA 4X rated enclosure
OPTIONAL FEATURES
Variable Damping
A third potentiometer, placed to the left of
the zero potentiometer, allows the user to
adjust the unit's response time.
Multiple Range
By relocating the shunt jumper, the user can
"re-range" the unit. The unit can be re-
ranged by a
1
⁄
,
1
⁄
,
1
⁄
and a
1
⁄
. For example, a
2
3
4
5
unidirectional 5 in. W.C. unit can become a
2.5 in. W.C., 1.67 in. W.C., 1.25 in. W.C. or a
1.0 in. W.C. range.
© Ashcroft Inc., 250 East Main St., Stratford, CT 06614-5145, U.S.A. Tel: 203-378-8281, Fax: 203-385-0499, email: [email protected], www.ashcroft.com
All sales subject to standard terms and conditions of sale. I&M011-10062-1/01 (250-2985) AMR 10/08
LOAD LIMITATION 4-20mA OUTPUT ONLY
1250
1045
1000
750
500
OPERATING
250
REGION
0
0
10 12
20
LOOP SUPPLY VOLTAGE (VDC)
Figure 2. Loop Supply Voltage vs. Loop Resistance
V
= 12 + (.022A x R
)
min
L
R
= RS+ RW
L
R
= Loop Resistance (ohms)
L
R
= Sense Resistance (ohms)
S
R
= Wire Resistance (ohms)
W
*INCLUDES A 10% SAFETY FACTOR
EARTH
GROUND
V+
POWER
R
S
V–
SUPPLY
(LOAD)
Figure 3.
Current (4-20mA) Output Wiring
EARTH
GROUND
POWER
V+
SUPPLY
V-
Figure 4.
Voltage Output Wiring
Figure 1.
General Dimensions
ACCESS COVER (TERMINAL BLOCK)
2.68
0.2 TYP
➤
2) PLACES
30
36
40
MOUNTING FOOT
0.7
(ZERO AND SPAN POTS)
1/4 NPT
PRESSURE
FITTINGS
0.7
+
SIGNAL
OUT
–
(INCHES)
MOUNTING FOOT
MOUNTING
FOOT
ø 0.2
1.4
➤
4.31
ZERO POT
LOCATION
SPAN POT
1/2 NPSM THREAD TYP BOTH
SIDES FOR CONDUIT PIPING
➤
5
➤
2.7
➤
4.6
ACCESS COVER
3
2.5
HIGH
LOW
➤
0.8
➤
1.34
➤
3.0