Series EP1000 Electro-pneumatic Controller
Specifications - Installation and Operating Instructions
Bulletin F-84
PROXIMITY CONTROLS
Phone: 219/879-8000
www.dwyer-inst.com
A DIVISION OF DWYER INSTRUMENTS, INC.
Fax: 219/872-9057
P.O. BOX 373 • MICHIGAN CITY, INDIANA 46360, U.S.A.
The Series EP1000 Electro-pneumatic Controller combines
the highest quality instrumentation in one compact NEMA 4X
enclosure for easy, low cost installation. Simply provide a supply
pressure and voltage with a standard thermocouple, RTD, DC
voltage or DC current input to this unit and a traditional
pneumatic process quickly converts to a state-of-the-art
electronic operation. The versatile microprocessor based
controller incorporates a high level of standard features. Typical
function setup items appear in the control menu only when the
function is selected, so you don’t have to wade through
unnecessary items. Standard features include Self-Tune, fully
adjustable PID and Auto/Manual control.
INSTALLATION
Mounting: Loosen four (4) mounting screws on back of
enclosure and rotate mounting feet to vertical position. Mount
enclosure to a flat surface in a vertical position.
PNEUMATIC CONNECTIONS
CAUTION: Use of a supply gas other than air can create a
hazardous environment because a small amount of the gas
continuously vents to the atmosphere.
Connect a clean dry air supply from 20 to 1000 psig to the port
marked “supply”. Connect the control element to the “output”
port. Output is 0 to 20 psig. Both ports are 1/4˝ NPT. It is
important that the line does not leak. This will affect control
operation.
ELECTRICAL CONNECTIONS
Two (2), 1/2˝ conduit holes are provided for AC power and input
signal connections. Run power and signal leads in separate
conduit. Connect AC power and input signal to terminals shown
on page 5 of controller instruction manual 949-1195. Route wire
carefully and allow proper slack in wires to allow door to open.
Wires can be secured with wire tires.
SPECIFICATIONS
Front Panel Selectable Inputs: Thermocouple, RTD, DC voltage
or DC current.
Supply Pressure:
Minimum: EP1000: 18 psig (1.24 bar);
EP1011: 33 psig (2.28 bar);
Maximum: 100 psig (6.89 bar).
Output:
EP1000: 3 to 15 psig (0.21 to 1.03 bar);
EP1011: 6 to 30 psig (0.41 to 2.07 bar).
Accuracy: ±1.0% of span.
Linearity: ±0.75% of span.
Hysteresis: ±1.0% of span.
Repeatability: ±0.5% of span.
Power Requirements: 100 to 240 VAC, 50/60 Hz.
Temperature Limits: 32 to 122°F (0 to 50°C).
Pressure Connections: 1/4˝ female NPT.
Air Consumption: 0.03 SCFM (0.5 m
3
/h) typical.
Output Capacity:
4.5 SCFM (7.6 m
3
/h) at 25 psig (1.72 bar) supply;
12 SCFM (20 m
3
/h) at 100 psig (6.89 bar) supply.
Enclosure: NEMA 4X.
Weight: 8 lb 1 oz (3.67 kg).
©Copyright 2014 Dwyer Instruments, Inc. Printed in U.S.A. 4/14 FR# RP-440935-00 Rev. 4
OUTPUT SUPPLY
SERIES 4B
LOVE CONTROLS
AT OUT1 OUT2 ALM3ALM1 ALM2
°
F °C
1
0-1/2
[
266.7]
8
-1/5
[
215.9]
6
-1/4
[
158.75]
1
-5/8
[
41.28]
SETTING PROGRAM
The EP1000 has been factory set for a 100 ohm platinum RTD
(DIN 0.00385) input and a range of 0 to 250°F. This can be
easily changed to any other input by following the
“Programming” Instructions in the controller manual. See page 3
to get started. This also describes using all of the additional
features.
(10 Seiten)
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