Omega IP210A Series User manual

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User’s Guide
IP210A SERIES
ELECTROPNEUMATIC CONVERTERS

The information contained in this document is believed to be correct, but OMEGA accepts no liability for any errors it contains, and reserves
the right to alter specifications without notice.
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omega.com [e-mail]
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WARNING: Cancer and Reproductive Harm
www.p65Warnings.ca.gov
!

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M5736/0619 IP210A SERIES A
3
Figure 1
PRINCIPLE OF OPERATION
The transducer is a force balance device in which a coil is suspended in the field of a magnet by a flexure. Current flowing through the coil
generates axial movement of the coil and flexure. The flexure moves against the end of a nozzle, and creates a back pressure in the nozzle by
restricting air flow. This back pressure acts as a pilot pressure to an integral booster relay. Consequently, as the input signal increases (or
decreases, for reverse acting), output pressure increases proportionally. Zero and span are calibrated by turning easily accessible adjusting
screws on the front face of the unit. The zero adjustment causes the nozzle to move relative to the flexure. The span adjustment is a
potentiometer that limits the flow of current through the coil. A thermistor circuit in series with the coil provides temperature compensation.
Pipe: Due to its light weight, the transducer may be sup-
ported by the piping used for the supply and output.
Panel: (with access to rear of panel) Attach transducer (See
Fig. 3), to panel using two 10-32 screws and two threaded
mounting holes on the back of the unit.
Panel: (with no access to rear of panel) Attach bracket (See
Fig. 1 and 3), to transducer using two 10-32 screws on the
back of the unit and mount bracket to panel using four 8-32
screws.
MOUNTING
The transducer can be mounted at any angle, but should be
calibrated after mounting. For maximum output pressure
stability, it should be mounted vertically in a vibration free
location or such that the vibration is isolated to the X and Z
axis as shown in Figure 3.
AIR CONNECTIONS
ŸSupply Air must be instrument quality air regulated
between the minimum and maximum specified on the
nameplate of the transducer.
ŸInstrument quality air consists of:
a A dew point less than 35˚F
b No particles larger than three microns
c Maximum oil content of 1 ppm
ŸAll unused ports must be plugged.
Supply: Connect supply to the 1/4" NPT ports marked “IN” on the base of the transducer. Avoid getting pipe sealant inside the piping or
transducer.
Output: Connect output to the 1/4" NPT ports marked “OUT” on the base of the transducer. The pipe plugs may be removed from the two
auxiliary output ports for a pressure gauge or as an alternative output port.

INSTALLATION OF THE DIN 43650A CONNECTOR
ELECTRICAL CONNECTIONS
PRECAUTIONS TO BE OBSERVED DURING INSTALLATION
M5736/0619 IP210A SERIES
A
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The Transducers were tested at the EMC Test Centre, Dunfermline, Fife, KY11 5LB to the Electromagnetic Compatibility
Directive effective January 1, 1996. The relevant EMC specifications tested were the following: EN 50081-1 (1992) and EN
50082-1 (1992). A Technical Construction File, Serial #107 was written and Certificate of Conformity issued by a Competent
Body.
EN 50081-1 (1992): Test results confirmed that no precautions need to be observed during installation regarding electro-magnetic
emissions from the IP210A Transducers.
EN 50082-1 (1992): The following precautions should be taken during installation to maintain the advertised accuracy specifications for the
Transducers. The input wiring to the transducer should be isolated from other high voltage transient wiring. The momentary switching on
and off of nearby relays, motors, or other high capacitive or inductive loads can have a minor effect on the terminal based linearity
specification (1.0% of span, standard range models). Any change in output pressure is minimal and momentary, and is considered to be
within its performance capabilities. Use of a ferrite bead collar on the input wires entering the transducer is recommended should
installation next to high electromagnetic interference be necessary.
Tools Required: Solder, Soldering Iron & Wire Cutter/Stripper
Included with the unit: Instructions & 3-Prong Connector
1. Remove the outer locking ring from the male portion of the DIN 43650A connector and disassemble.
2. Run the two wires through the NPT portion of the male connector and thread the connector snugly into the ½ NPT conduit port.
3. Cut both wires (black and white) to about 1” long beyond the male NPT section that is installed on the IP210A, and trim the end to
about 1/4”.
4. Solder the black wire to Pin #1, and the white wire to Pin #2.
5. Insert the terminal portion into the NPT portion.
6. Position the prongs with the Safety Ground (flat prong) on the bottom. Secure with the outer ring. Do not overtighten.
7. Remove the terminal portion of the female section of the connector using a small slotted screwdriver under the slot marked “LIFT”.
8. Run wires through the connector housing and secure to the appropriate terminal with a small screwdriver.
For DIRECT ACTING: (where increasing the input signal increases output pressure), connect the positive input signal to Pin #1, and
the negative to Pin #2.
For REVERSE ACTING: (where increasing the input signal decreases output pressure), connect the positive input signal to Pin #2,
and the negative to Pin #1.
9. Insert the terminal into the housing with the proper wiring orientation.
10. Orient the gasket over the prongs, and install the female portion of the connector assembly. Using a small screwdriver, secure with
the locking screw.

CALIBRATION
M5736/0619 IP210A SERIES A
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If 4 to 20 mA
0% = 4 mA
25% = 8 mA
50% = 12 mA
75% = 16 mA
100% = 20 mA
3. Turn the “Span” adjusting screw counter-clockwise to increase output.
4. Repeat steps 1& 2 until unit is calibrated.
Reverse Acting
2. Apply the 100% signal to unit and adjust “Span” adjusting screw until output is at the high setpoint.
Forward Acting
1. Apply the 0% input signal to unit and adjust "Zero" adjusting screw until output reaches the high output pressure set-point. Turn
counter-clockwise to increase.
2. Apply the 100% input signal to unit and adjust "Span" adjustment until output pressure is at the low setpoint.
3. Repeat steps 1& 2 until unit is calibrated.
IMPORTANT: Turn the “Span” adjusting screw clockwise to increase output
1. Apply the 0% input signal to unit and adjust the “Zero” adjusting screw to the low setpoint output. Turn screw counter-clockwise to
increase output. If there is no change in output, keep turning adjustment screw counter-clockwise until output begins to rise. It is
imperative that the output pressure be closely monitored as turning the zero screw excessively could damage the flexure.
Note: input percentage refers to the following examples:
Once the transducer has been mounted, and air supply connections finished, the unit's calibration must be checked before placing into
service. Remove rubber plugs to gain access to “ZERO” and “SPAN” adjusting screws. See Figure 3 for “ZERO” and “SPAN” locations. Re-
install rubber plugs after calibration is complete.
SIGNAL IMPEDANCE
INPUT SIGNAL OUTPUT RANGE NOMINAL IMPEDANCE
(OHMS)
POTENTIOMETER RV1 SIZE
(OHMS)
4-20mA 3-15 PSIG 180 1000
4-20mA 3-27 PSIG 215 1000
4-20mA 3-120 PSIG 260 1000
4-20mA 2-60 PSIG 225 1000
The input impedance will vary depending upon the potentiometer setting of the “SPAN (RV1)”, (SEE FIG. 2). The I/P circuit design consists
of a resistor and potentiometer in parallel with the coil/flexure. The following are some of the nominal impedences that would be measured
across the signal leads of the average calibrated transducer. These values are helpful when determining power requirements and for
troubleshooting.
BLACK
WHITE
RV1
121 Ω
R2
100 Ω @ 25°C
COIL
300 Ω
J2
J1
I / P SCHEMATIC
RT1
R1 68 Ω
FIGURE 2

M5736/0619 IP210A SERIES
A
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TROUBLESHOOTING
Note: If you experience an unusual problem that is not described in this section, or if troubleshooting procedures will not
restore the unit to normal operation, please contact Omega.
SYMPTOM CAUSE SOLUTION
1) Plugged or blocked orifice.
1) Remove orifice screw and clean
orifice with wire or pin <0.009"
diameter
2) Supply pressure too low. 2) Supply pressure must be at least 5
PSIG above the 100% output.
1) Zero set too low.
1) Turn zero adjustment counter-
clockwise until output pressure
increases then follow calibration
procedure.
2) Electrical connection has opened or
wrong type of signal applied.
2) Check electrical connections to
insure that there is a correct input
signal reaching the transducer.
Wires connected in reverse Insure wiring is connected per Electrical
Connection section.
Pneumatic connections reversed or
supply and output both connected to
“IN” ports.
Insure supply is connected to port
marked “IN” and output is connected to
port marked “OUT”.
Sluggish Performance or Reduced
Range
matter the input signal3.
Transducer remains at start up no
signal goes up.)
(Pressure goes down when input
Transducer works in reverse.
Output Pressure same as supply
Pressure with no signal effect.
IP210A Unit shown without female 43650A connector.
Figure 3

OMEGA’s policy is to make running changes, not model changes, whenever an improvement is possible. This affords
our customers the latest in technology and engineering.
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FOR WARRANTY RETURNS, please have the
following information available BEFORE contacting
OMEGA:
1. P urchase Order number under which the product
was PURCHASED,
2. Model and serial number of the product under
warranty, and
3. Repair instructions and/or specific problems
relative to the product.
FOR NON-WARRANTY REPAIRS, consult OMEGA for
current repair charges. Have the following information
available BEFORE contacting OMEGA:
1. Purchase Order number to cover the COST
of the repair,
2. Model and serial number of the product, and
3. Repair instructions and/or specific problems
relative to the product.
RETURN REQUESTS/INQUIRIES
WARRANTY/DISCLAIMER
OMEGA ENGINEERING, INC. warrants this unit to be free of defects in materials and workmanship for a period of 13 months from
date of purchase. OMEGA's WARRANTY adds an additional one (1) month grace period to the normal one (1) year product warranty
to cover handling and shipping time. This ensures that OMEGA's customers receive maximum coverage on each product.
If the unit malfunctions, it must be returned to the factory for evaluation. OMEGA's Customer Service Department will issue an
Authorized Return (AR) number immediately upon phone or written request. Upon examination by OMEGA, if the unit is found to be
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purchaser, including but not limited to mishandling, improper interfacing, operation outside of design limits, improper repair, or
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but are not limited to contact points, fuses, and triacs.
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CONDITIONS: Equipment sold by OMEGA is not intended to be used, nor shall it be used: (1) as a “Basic Component” under 10 CFR
21 (NRC), used in or with any nuclear installation or activity; or (2) in medical applications or used on humans. Should any Product(s)
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Direct all warranty and repair requests/inquiries to the OMEGA Customer Service Department. BEFORE RETURNING ANY
PRODUCT(S) TO OMEGA, PURCHASER MUST OBTAIN AN AUTHORIZED RETURN (AR) NUMBER FROM OMEGA'S CUSTOMER
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outside of the return package and on any correspondence.
The purchaser is responsible for shipping charges, freight, insurance and proper packaging to prevent breakage in transit.

M5736/0619
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