8189 Century Boulevard • Minneapolis, MN 55317-8002 • USA
800-843-5116 • 952-556-4900 • Fax 952-556-4997
sales@mamacsys.com • www.mamacsys.com
Installation Instructions
IS.EP311/313-08
ELECTROPNEUMATIC TRANSDUCER
For Additional Information See EP 311/313 Data Sheet
ORDERING INFORMATION
Inspection:
Inspect the package for damage. If damaged, notify the
appropriate carrier immediately. If undamaged, open the package and
inspect the device for obvious damage. Return damaged products.
Requirements:
•
Installer must be a qualified, experienced technician.
•
Tools
(not provided)
:
- Digital Volt-ohm Meter (DVM)
- Appropriate screwdriver for mounting screws
- Appropriate drill and drill bit for mounting screws
•
Appropriate accessories
•
Three #8 self-tapping mounting screws (not provided)
Warning:
•
Do not use on oxygen service, in an explosive/hazardous environment,
or with flammable/combustible media.
•
Disconnect power supply before installation to prevent electrical shock
and equipment damage.
•
Make all connections in accordance with the job wiring diagram, and in
accordance with national and local electrical codes. Use copper
conductors only.
Caution:
•
Use electrostatic discharge precautions (e.g., use of wrist straps) during
installation and wiring to prevent equipment damage.
•
Do not exceed ratings of the device.
Mounting:
The EP-311/313 must be mounted in an upright position so that the
ports are facing upward and the gauge can be easily read.
1.
Select the mounting location.
2.
Mount the transducer on a vertical surface with three #8 self-tapping screws
(not provided).
3.
Pull wires through the bottom of the device and make necessary connections.
4. Make the necessary pneumatic connections.
Wiring:
Use maximum 12 AWG wire for wiring terminals. Use flexible 1/4”
O.D. poly tubing for main and branch pneumatic connections. Refer to
Figure 1
and
Figure 2
for wiring configurations,
Figure 3
for terminal
location and designation, and
Figure 4
for dip switch settings.
CAUTION!
•
Main supply pressure must not exceed 40 PSIG.
•
A minimum of 6 to 10 feet (1.8 to 3.0m) of tubing should be between the unit
and the actuator.
•
For 24 VAC supply voltage, ensure that the hot and neutral are not reversed.
If more than one unit is being powered from the same transformer, the hot
and neutral should be the same for each unit.
Note:
The gauge on the unit is for indication only. The transducer’s calibration
is more accurate than the accuracy of the gauge.
Figure 1
-
Wiring Diagram for 24 VAC Supply Configuration
Figure 2
- Wiring Diagram for 24 VDC Supply Configuration
TYPICAL APPLICATIONS (wiring diagrams)
SPECIFICATIONS
Accuracy*:
± 1% FS
Maximum Supply Pressure:
40 PSIG
Pressure Differential:
0.1 PSIG (supply to branch)
Supply Current:
150 mA
:
Enclosure:
18 Ga. C. R. Steel Chassis
Finish:
Baked on enamel - PMS2GR88B
EMC Conformance:
EN 55022, 55024, 61000-3-3,
61000-4-2, 3, 4, 5, 6 & 11
Compensated Temperature Range:
25°F to 150°F (4°C to 65°C)
T. C. Error:
± 0.025%/°F (.03%/°C)
:
Media Compatibility:
Clean dry air or any inert gas
Port Connection:
1/4" O.D. poly tubing
Environmental:
10 - 90% RH non-condensing
Termination:
Screw terminal block
Wire Size:
12 Ga. max.
Input Impedance:
301 ohms (4-20 mA)
10K ohms (0-5/0-10 VDC)
Weight:
1.0 lb. (.45 kg)
* Includes non-linearity, hysteresis and non-repeatability
Supply Voltage:
18-28 VAC/VDC
INSTALLATION
Caution:
This product contains a half-wave rectifier power supply and
must not be powered from transformers used to power other devices
utilizing non-isolated full-wave rectifier power supplies.
RoHS
