Ashcroft H2 - Precision Pressure Transducer - Manual (Page 2)

H2 PRESSURE TRANSMITTER
INSTRUCTION SHEET
© 2013 Ashcroft Inc. All rights reserved. 250 East Main Street, Stratford, CT 06614 USA Tel: 203-378-8281, Fax: 203-385-0402 www.ashcroft.com
All sales subject to standard terms and conditions of sale. I&M011-10201-H2. Rev. 03/13
Noise
For minimum noise susceptibility, avoid
running the transducer’s cable in a con-
duit that contains high current AC power
cables. Where possible avoid running
the cable near inductive equipment.
Shielded Cable
Units with shielded cable electrical termi-
nation, connect the drain wire to the
guard terminal on the read out device or
measuring instrument, if available. In all
other cases connect to the ground or to
the power supply negative terminal.
Vent Tube (Cable Termination Only)
The cable has a clear Teflon
® vent tube
required at pressure ranges below 500
psi to provide atmospheric reference.
The open end should be placed in a
dry area.
+
+ –
POWER
SUPPLY
(+)
(–)
TRANSDUCER
–
V+
V–
PIN 1
PIN 2
4-20mA
METER
OR OTHER DEVICE
+
+
–
–
POWER
SUPPLY
METER
OR OTHER DEVICE
TRANSDUCER
(Common)
(+ Power)
(+ Output)
PIN 1
PIN 2
PIN 3
3-Wire Voltage
H2 Wiring Diagrams
H2 transducer has internal transient
protection: for safety, limit line-to-
ground voltage to 36 Vdc max.
12
.453
15
.591
PIN A
PIN B
PIN C PIN D
PIN E
PIN F
(B6) 6 PIN BENDIX (MIL-C-26482)
11
.433
11
.413
PIN 3
PIN 2 PIN 1
PIN 4
(EW) M12 TYPE (4 PIN)
30
1.181
21
.835
914
3'
(F2) 3' SHIELDED CABLE
.18
.64
1.320
2
1
3 Gnd.
(DN) HIRSCHMANN (43650-A)
Pin Voltage Current
No. Output Output
(3-wire) (2-wire)
1 (+) Power (+) Power
2 Not Connected Not Connected
3 (-) Power Out
4 Out Not Connected
Pin Voltage Current
No. Output Output
(3-wire) (2-wire)
1 (+) Power (+) Power
2 (-) Power (-) Power
3 (+) Output None
4 Ground Ground
Wire Voltage Current
Color Output Output
(3-wire) (2-wire)
Red (+) Power (+) Power
Black (-) Power Out
White Out None
Pin #
Voltage Current
Output Output
(3-wire) (2-wire)
A (+) Power (+) Power
B (-) Power (-) Supply
C Not Connected Not Connected
D (+) Output Not Connected
E Ground Not Connected
F Not Connected Not Connected
LOOK FOR THIS
AGENCY MARK ON
OUR PRODUCTS