red lion PAX Series, PAX LITE PAXLI / PAXLV / PAXLVA00 / PAXLID00 Manual

GENERAL DESCRIPTION

PAX Lite Current and Volt Meters are premium quality instruments designed for tough industrial applications. With multi-range capability, built-in provision for scaling, and DIP switch selectable decimal points, these meters offer the ultimate in application flexibility. Four models cover your voltage and current indicator needs. The meter can provide direct readout from pressure, speed or flow transducers, or any other variable that can be translated to voltage or current. The built-in scaling allows the display to be scaled to the desired engineering unit.
The 3 ‰ -digit bi-polar display (minus sign displayed when current or voltage is negative) features a 0.56" high, 7-segment LEDs for easy reading. The meter is also available with custom units label capability. Using the PAX label kit (PAXLBK30), the selected label is installed behind the panel, keeping it safe from washdown or other environmental conditions. A DIP switch is used to control the backlight for the units label.
The meters have a NEMA 4X/IP65 sealed bezel and extensive testing of noise effects to CE requirements, allowing the meter to provide a tough yet reliable application solution.

Risk of Danger. Read complete instructions prior to installation and operation of the unit.

Risk of electric shock.

DIMENSIONS

In inches (mm)
Note: Recommended minimum clearance (behind the panel) for mounting clip installation is
2.1" (53.4) H x 5.0" (127) W.

ORDERING INFORMATION

Meter Part Numbers

Accessories Part Numbers

1. DISPLAY: 3 1/2-digit, 0.56" (14.2 mm) high, 7-segment LED, (-) minus sign displayed when current or voltage is negative. Decimal points inserted before 1st, 2nd, or 3rd least significant digits by DIP switch selection.
2. POWER: 115/230 VAC, switch selectable. Allowable power line variation –10%, 50/60 Hz, 6 VA.
   Isolation: 2300 Vrms for 1 min. between input and supply
   Working Voltage: 300 V max. , CAT II
3. INPUT RANGES/RESOLUTION: (Selectable by jumper connections.):
   Working Voltage: 300 V max. , CAT II

   AC Voltmeters	AC Current Meters	DC Voltmeters	DC Current Meters
   0-1.999 V/1 mV	0-199.9 µA/0.1 µA	±1.999 V/1 mV	±199.9 µA/0.1 µA
   0-19.99 V/10 mV	0-1.999 mA/1 µA	±19.99 V/10 mV	±1.999 mA/1 µA
   0-199.9 V/100 mV	0-19.99 mA/10 µA	±199.9 V/100 mV	±19.99 mA/10 µA
   0-300 V/1 V	0-199.9 mA/100 µA	±300 V/1 V	±199.9 mA/100 µA
   	0-1.999 A/1 mA		±1.999 A/1 mA
   	0-199.9 mV/100 µV		±199.9 mV/100 µV

4. .ACCURACY:
   AC Voltmeters: –(0.1% of Reading + 3 digits) (45-500 Hz) AC Current Meters (45-500 Hz):
   199.9 A/199.9 mV, 1.999 mA, 19.99 mA: –(0.1% of Reading + 3 digits)
   199.9 mA: –(0.15% of Reading + 3 digits)
   1 A: –(0.5% of Reading + 3 digits) DC Voltmeters: –(0.1% of Reading + 1 digit) DC Current Meters:
   1.999 A: –(0.5% of Reading + 1 digit)
   Note: Any individual range may be recalibrated (scaled) to 0.1% accuracy with appropriate calibration equipment.
5. OVER-RANGE INDICATION: on all modes is indicated by blanking 3 least significant digits.
6. MAX. VOLTAGE ON LOWEST INPUT RANGE: 75 VAC or DC (Both voltmeters and current meters).
7. MAX. VOLTAGE ON TERMINAL BLOCK: 300 VAC or DC (Both voltmeters and current meters).
8. MAX. CURRENTS (FOR CURRENT METERS):
   1.999 A: 3 A
   
   In circuits where fault currents can exceed the maximum shunt current, a fast-blow fuse should be installed in series with the input signal. Otherwise, a slow blow 10 amp fuse is recommended that will allow for start-up over current situations, while still protecting the instrument.
   199.9 A through 19.99 mA: 10 times max. range current
   199.9 mA: 1 A
9. TEMPERATURE COEFFICIENTS:
   Current meters Voltmeters
   DC: ±100 PPM/ C DC: ±75 PPM/ C AC: ±200 PPM/ C AC: ±150 PPM/ C
10. ENVIRONMENTAL CONDITIONS:
    Operating Temperature: 0 to 60 C
    Storage Temperature: -40 to 80 C
    Operating and Storage Humidity: 85% max. relative humidity (noncondensing)
    Vibration According to IEC 68-2-6: Operational 5 to 150 Hz, in X, Y, Z
    direction for 1.5 hours, 2g s.
    Shock According to IEC 68-2-27: Operational 30 g (10g relay), 11 msec in 3 directions.
    Altitude: Up to 2000 meter
11. RESPONSE TIME TO STEP CHANGE INPUT: 1 sec. nominal
12. READING RATE: 2.5 readings/sec., nominal
13. NORMAL MODE REJECTION: 50 dB 50/60 Hz (DC units only)
14. COMMON MODE REJECTION: 110 dB DC or 50/60 Hz (DC units only)
15. COMMON MODE VOLTAGE (COMM. TO EARTH): 350 volt peak
16. CERTIFICATIONS AND COMPLIANCES:

    SAFETY
    UL Recognized Component, File #E179259, UL61010A-1, CSA C22.2 No. 61010-1
    Recognized to U.S. and Canadian requirements under the Component Recognition Program of Underwriters Laboratories, Inc.
    UL Listed, File #E137808, UL508, CSA C22.2 No. 14-M95
    LISTED by Und. Lab. Inc. to U.S. and Canadian safety standards
    Type 4X Enclosure rating (Face only), UL50
    IECEE CB Scheme Test Certificate #UL/8843A/UL CB Scheme Test Report #04ME11209-20041018 Issued by Underwriters Laboratories, Inc.
    IEC 61010-1, EN 61010-1: Safety requirements for electrical equipment for measurement, control, and laboratory use, Part 1. IP65 Enclosure rating (Face only), IEC 529

    ELECTROMAGNETIC COMPATIBILITY:
    Immunity to Industrial Locations:

    Electrostatic discharge	EN 61000-4-2	Criterion A 4 kV contact discharge 8 kV air discharge
    Electromagnetic RF fields	EN 61000-4-3	Criterion B 10 V/m
    Fast transients (burst)	EN 61000-4-4	Criterion B 2 kV power 2 kV signal
    Surge	EN 61000-4-5	Criterion A 1 kV L-L, 2 kV L&N-E power
    RF conducted interference	EN 61000-4-6	Criterion A 3 V/rms
    Voltage dip/interruptions	EN 61000-4-11	Criterion A 0.5 cycle; 40% variation
    Emissions: Emissions	EN 55011	Class B

Emissions and Immunity to EN 61326: Electrical Equipment for Measurement, Control and Laboratory use.
Notes:

1. Criterion A: Normal operation within specified limits.
2. Criterion B: Temporary loss of performance from which the unit selfrecovers.

17. CONNECTIONS: High compression cage-clamp terminal block Wire Strip Length: 0.3" (7.5 mm) Wire Gage: 30-14 AWG copper wire Torque: 4.5 inch-lbs (0.51 N-m) max.
18. CONSTRUCTION: This unit is rated for NEMA 4X/IP65 use. Installation Category II, Pollution Degree 2. One piece bezel/case. Flame resistant. Panel gasket and mounting clip included.
19. WEIGHT: 0.65 lbs. (0.24 Kg)

ACCESSORIES

UNITS LABEL KIT (PAXLBK)
Each meter has a units indicator with backlighting that can be customized using the Units Label Kit. The backlight is controlled by a DIP switch.
EXTERNAL CURRENT SHUNTS (APSCM)
To measure DC current signals greater than 2 ADC, a shunt must be used. The APSCM010 current shunt converts a maximum 10 ADC signal into 100.0 mV. The APSCM100 current shunt converts a maximum 100 ADC signal into 100.0 mV. The continuous current through the shunt is limited to 115% of the rating.

INSTALLING THE METER

Installation
The PAX meets NEMA 4X/IP65 requirements when properly installed. The unit is intended to be mounted into an enclosed panel. Prepare the panel cutout to the dimensions shown. Remove the panel latch from the unit. Slide the panel gasket over the rear of the unit to the back of the bezel. The unit should be installed fully assembled. Insert the unit into the panel cutout.

While holding the unit in place, push the panel latch over the rear of the unit so that the tabs of the panel latch engage in the slots on the case. The panel latch should be engaged in the farthest forward slot possible. To achieve a proper seal, tighten the latch screws evenly until the unit is snug in the panel (Torque to approximately 7 in-lbs [79N-cm]). Do not over-tighten the screws.

SETTING THE JUMPERS AND SWITCHES

The meter has an input jumper and switches, which must be checked and/or changed prior to applying power. To access the input jumper and switches, remove the meter base from the case by firmly squeezing and pulling back on the side rear finger tabs. This should lower the latch below the case slot (which is located just in front of the finger tabs). It is recommended to release the latch on one side, then start the other side latch.

Power Selection Switch

Insure the AC power selection switch is set for the proper voltage before powering the meter. The meter is shipped from the factory in the 230 VAC position.

Input Range Jumper
A jumper is used for selection of the voltage or current input range. Select the proper input range that will be high enough to avoid input signal overload. It is important that only one jumper position is used at a time. Avoid placing a jumper across two different input ranges.

Set-Up DIP Switches
ADIP switch is located inside the meter. It is used for the selection of decimal points, backlight annunciator, and scaling. Selecting the ON position enables the function.

PAXLI Jumper Selection

WIRING THE METER

WIRING OVERVIEW
Electrical connections are made via screw-clamp terminals located on the back of the meter. All conductors should conform to the meter s voltage and current ratings. All cabling should conform to appropriate standards of good installation, local codes and regulations. It is recommended that power supplied to the meter (AC) be protected by a fuse or circuit breaker.
When wiring the meter, compare the numbers embossed on the back of the meter case against those shown in wiring drawings for proper wire position. Strip the wire, leaving approximately 0.3" (7.5 mm) bare lead exposed (stranded wires should be tinned with solder). Insert the lead under the correct screw-clamp terminal and tighten until the wire is secure. (Pull wire to verify tightness.)

EMC INSTALLATION GUIDELINES
Although this meter is designed with a high degree of immunity to ElectroMagnetic Interference (EMI), proper installation and wiring methods must be followed to ensure compatibility in each application. The type of the electrical noise, its source or the method of coupling into the unit may be different for various installations. Listed below are some EMC guidelines for successful installation in an industrial environment.

1. The meter should be mounted in a metal enclosure, which is properlyconnected to protective earth.
2. Never run Signal or Control cables in the same conduit or raceway with ACpower lines, conductors feeding motors, solenoids, SCR controls, and heaters, etc. The cables should be run in metal conduit that is properly grounded. This is especially useful in applications where cable runs are long and portable two-way radios are used in close proximity or if the installation is near a commercial radio transmitter.
3. Signal or Control cables within an enclosure should be routed as far away aspossible from contactors, control relays, transformers, and other noisy components.
4. In extremely high EMI environments, the use of external EMI suppressiondevices, such as ferrite suppression cores, is effective. Install them on Signal and Control cables as close to the unit as possible. Loop the cable through the core several times or use multiple cores on each cable for additional protection. Install line filters on the power input cable to the unit to suppress power line interference. Install them near the power entry point of the enclosure. The following EMI suppression devices (or equivalent) are recommended:
   Ferrite Suppression Cores for signal and control cables:
   Fair-Rite # 0443167251 (RLC #FCOR0000)
   TDK # ZCAT3035-1330A
   Steward #28B2029-0A0
   Line Filters for input power cables:
   Schaffner # FN610-1/07 (RLC #LFIL0000)
   Schaffner # FN670-1.8/07
   Corcom #1VR3
   Note: Reference manufacturer s instructions when installing a line filter.
5. Long cable runs are more susceptible to EMI pickup than short cable runs. Therefore, keep cable runs as short as possible.
6. Switching of inductive loads produces high EMI. Use of snubbers acrossinductive loads suppresses EMI.
   Snubber: RLC#SNUB0000.

POWER WIRING
AC Power
Terminal 1: VAC
Terminal 2: VAC

INPUT SIGNAL WIRING
Before connecting signal wires, the Input Range Jumper should be verified for proper position.

PAXLV
Voltage Signal (self powered)
Terminal 4: + Volts DC/AC
Terminal 3: - Volts DC/AC

PAXLI
Current Signal (self powered)
Terminal 4: + Amps DC/AC
Terminal 3: - Amps DC/AC

SCALING THE METER

PAXLV
DIRECT VOLTMETER READOUT
When the application requires direct voltmeter readout, the Scale Switch should remain in the OFF position. The Input Range Jumper is set to the voltage range being applied. It is possible to select a range higher than being applied to get lower resolution. The Decimal Point switches are set to resolution of the selected Input Range Jumper.

SCALING VOLTMETER READOUT
In many industrial applications, a voltmeter is required to display a reading in terms of PSI, RPM, or some other unit of measure. The signal voltage being measured can be generated by a transducer that senses the variations and delivers a linear output voltage. To provide the desired readout at the specified voltage, the voltmeter must be scaled.
Place the Scale Switch in the ON position. This enables the Scale Potentiometer which is accessible from the back of the meter. (Enabling the Scale Potentiometer does NOT affect the calibration of the meter.) Place the Decimal Point Switches to the proper location. To properly set the Input Range Jumper, the Division Factor must be determined by first using the below formula. After the Division Factor is calculated, use the Division Factor Range Selection Chart to choose the proper Input Range Jumper setting. Apply the meter power and the voltage signal. Adjust the Scale Potentiometer to the desired value.
This scaling only effects the span. There is no offset scaling. This means that only zero voltage can display a value of zero.

DIVISION FACTOR FORMULA:

WHERE:
VT = Maximum Transducer Output
D.D.P = Display Decimal Point
D.F. = Division Factor
D.R. = Desired Reading

D.D.P.
0.000 = 1
00.00 = 10
000.0 = 100
0000 = 1000

The Display Decimal Point (D.D.P.) is determined by the desired decimal point placement in the readout.
After the Division Factor for the application has been calculated, the proper voltage range jumper can be selected. Use the Division Factor Range Selection Chart to choose the proper jumper setting.

DIVISION FACTOR RANGE SELECTION CHART

Note: Only one voltage jumper should be selected. Install the jumper before the voltage signal is applied.

BLOCK DIAGRAM PAXLV

EXAMPLE: A relative humidity transducer delivers a 7.0 VDC voltage at a relative humidity of 75%.

This Division Factor is between 10.5 and 100.5, therefore jumper position 3 (199.9 V) is selected. The Scaling Potentiometer is then adjusted for the desired readout at a known relative humidity.

DIRECT CURRENT METER READOUT
When the application requires direct current meter readout, the Scale Switch should remain in the OFF position. The Input Range Jumper is set to the current range being applied. It is possible to select a range higher than being applied to get lower resolution. The Decimal Point switches are set to resolution of the selected Input Range Jumper.

SCALING CURRENT METER READOUT
In many industrial applications, a current meter is required to display a reading in terms of PSI, RPM, or some other unit of measure. The signal voltage being measured can be generated by a transducer that senses the variations and delivers a linear output voltage. To provide the desired readout at the specified current, the current meter must be scaled.
Place the Scale Switch in the ON position. This enables the Scale Potentiometer which is accessible from the back of the meter. (Enabling the Scale Potentiometer does NOT affect the calibration of the meter.) Place the Decimal Point Switches to the proper location. The Input Range Jumper is set to the current range being applied. Apply the meter power and the current signal. Adjust the Scale Potentiometer to the desired value. Scaling to obtain a numerical readout higher than the normal value of the current can also be accomplished, in most cases, by selecting a lower current range. However, the maximum current for the range must not be exceeded. (See Specifications for maximum input currents.)
This scaling only effects the span. There is no offset scaling. This means that only zero amps can display a value of zero.

BLOCK DIAGRAM PAXLI

EXAMPLE: The Pax Current Meter has been connected to measure a circuit current to 120.0 mA maximum. However, in this application, the display is to indicate percent of load current with 120.0 mA equivalent to 100.0 percent. The scale potentiometer is adjusted to reduce the normal 120.0 mA signal input display reading of 120.0 to indicate the desired reading of 100.0 on the display. Scaling to obtain a numerical readout higher than the normal value of the current can also be accomplished in most cases by selecting a lower current range. However, the maximum current for the range must not be exceeded. (See Specifications for maximum input currents.)

TROUBLESHOOTING

CALIBRATION

The meter has been fully calibrated at the factory. Scaling to convert the input signal to a desired display value is performed by enabling the scale pot DIP switch. If the meter appears to be indicating incorrectly or inaccurately, refer to Troubleshooting before attempting to calibrate the meter.
When recalibration is required (generally every 2 years), it should only be performed by qualified technicians using appropriate equipment.

Input Calibration

Calibration of this meter requires a signal source with an accuracy of 0.01% or better and an external meter with an accuracy of 0.005% or better.
Before starting, verify that the Input Range Jumper is set for the range to be calibrated. Also verify that the precision signal source is connected and ready.
Allow a 30 minute warm-up period before calibrating the meter. Then perform the following procedure:

1. Place jumper in 2 V range (PAXLV) or 2 mA range (PAXLI).
2. Set the DIP switch off to disable the scaling pot.
3. Apply half scale input signal.
4. Adjust calibration potentiometer as necessary for the display to read 1000 (ignore decimal point).
5. Apply zero signal and ensure display reads zero.
6. Apply full scale signal and ensure display reads 1999.
   Note: Any individual range may be recalibrated (scaled) to 0.1% accuracy with appropriate calibration equipment.