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AP4003-0001
Action PAK
®
AP4003
Potentiometer Input Signal Conditioner
Provides a DC Output in Proportion
to a Potentiometer Position Input
Constant Voltage Excitation
100 to 100k Ohm Potentiometers
Tank Level and Position Applications
Selectable Failsafe/Latching Operation
Description
Model AP4003-0001 is the new version of the previous AP4003xxxx series. Wide-ranging technology from the Ultra Slimpak II
series has been utilized in this new version. This single model
contains all of the input capability of previous dash numbers
without the need for custom ranging from the factory. The
resistance range is still 100 to 100k ohms. The default range is 0
to 100% but any portion of the span from 10% to 100% can be
selected by pushbutton ranging. Four output ranges (0-5VDC, 010VDC, 0-20mA and 4-20mA) are available. A 15VDC output can
also be used, but at a reduced drive level of 3mA. The default
output is 4-20mA.
Mounting
All Action Paks feature plug-in installation. Model AP4003 uses an 8-pin
base, either molded socket (M008) or DIN rail socket (MD08).
Plug-in Installation
Selectable Failsafe/Latching Operation
AC Line Powered
Applications
The AP4003-0001 is useful for converting potentiometer settings
to voltage or current. It can be used anywhere a potentiometer
or slidewire is used to determine position, displacement or
rotation. The constant-voltage excitation allows use with potentiometers/slidewires with total resistances from 100 ohms to 100k
ohms without affecting accuracy.
contact our Technical
Support Group.
Dimensions
Dimensions are in millimeters (inches)
Mark lll
M008 (Track/Surface)
MD08 (DIN Rail)
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Mounting
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All Action Paks feature plug-in installation. The AP4003-0001 uses
an 8-pin base, either the molded socket (M008) or the DIN rail
socket (MD08). An optional retaining spring (M801) is available if
required for the application.
Power Connections
See the pin connections at the back of this document. The unit
supports either 115VAC input (the default) or 230VAC input. For
230VAC input, the jumpers next to the input transformer (on the
base board) need to be changed according to the diagram below.
2. Rotate the pot fully CW or to the desired maximum point and
observe that the Green LED is on or flashing. Push the CAL button
and hold for more than 4 seconds. The Yellow and Red LEDs
should be on. Push the CAL button momentarily and the Yellow
and Green LEDs will be on. (From this point on, you can exit the
calibration procedure at any step without saving new data by
holding the CAL button for at least 4 seconds.)
3. With the pot at the maximum input signal level desired, push the
CAL button. The Yellow LED should now be on.
115 Vac
JMPR 2
JMPR 1
230 Vac
JMPR 1
JMPR 2
Diagnostic LEDS
Other than when executing the pushbutton calibration routine,
the LEDs blink under the following conditions:
GREEN: 2Hz when the input is under range 8Hz when the
input is over range
RED: 2Hz when the output is under range 8 Hz when the
output is over range
An Under Range condition exists when the signal is lower than the
operational low value minus 6.25% of the operational span. An
Over Range condition exists when the signal is higher than the
operational high value plus 6.25% of the operational span.
A voltage output short circuit may cause an under range condition
(RED blinking at a 2Hz rate). A current output open circuit may
cause an over range condition (RED blinking at an 8Hz rate). There
could be two or more LEDs blinking at the same time. That means
the module has more then one error condition present. Only when
all error conditions have been cleared will the LEDs be back to
their normal condition (Green ON, Red and Yellow OFF).
Calibration
For best results, calibration should be performed in the operating
environment, allowing at least one hour warm-up for thermal
stability of the system. If pre-calibration on a test bench is desired,
then an output load equal to the input impedance of the devices
connected to the AP4003-0001 output is recommended, along
with the warm-up period.
Note: Many applications do not require calibrating the output
levels and simply utilize the default operational ranges of the unit
(0-5VDC, 0-10VDC, 0-20mA or 4-20mA). If the factory default
calibration has been changed, the last saved operational output
values are utilized. In those applications, the only calibration
required is the operational input values. Once the maximum and
minimum input values have been set, the Green and Red LEDs will
be on. At this point, simply press the CAL button rapidly 3 times
and you will exit the calibration routine without effecting the last
saved calibration for the operational output values.
4. Rotate the pot to the full CCW position, or the exact minimum
input signal level desired, then push the CAL button. The Green
and Red LEDs should now be on. If you do not wish to change the
output calibration, press the CAL button rapidly three times to exit
the calibration routine.
5. If you do wish to do a custom operational range for the output,
rotate the pot CW until the output is precisely at the desired
maximum level (e.g. 20.00mA), then push the CAL button. The Red
LED should be on.
6. Rotate the pot CCW until the output is precisely at the desired
minimum level (e.g. 4.00mA), then push the CAL button. All three
LEDs should now be on.
7. To finish calibration, push the button one final time. The
calibration data is now saved. The Green LED should be on if the
input is within the calibrated range.
Default Settings
Input Range: 0 to 100%
Output Range: 4 to 20mA
Table 1. Output Range
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Table 2. Output Form
1. Connect a precision, multi-turn potentiometer of the required
value to the input, with the CW lead connected to Pin 6, the Wiper
lead to Pin 5 and the CCW lead to Pin 4. Connect the output to a
voltage or current meter, depending on your application. Apply
power and allow the system to reach thermal equilibrium.
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Figure 1. Calibration Flow Chart
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Specifications
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Input:
Impedance: >100M ohms
Linearity: ±0.1% of span, typical
Excitation: 300mV, nominal
Potentiometer Resistance:
100 ohms (min) to 100k ohms (max)
(end to end)
Input Range:
Any portion of the potentiometer from
10% to 100% using pushbutton
calibration
Turn-Up/Turn-Down: 75%
(90% of span @ 0.5% linearity; 80% of
span @ 0.15% linearity)
Common Mode Rejection:
60Hz: >100dB
DC: >120dB
Output Ranges:
0-5VDC, 0-10VDC
(higher voltage to 15V @ 3mA drive)
0-20mA
4-20mA
Response Time:
100mSec, typical
Stability:
±100ppm (±0.01%) of span/°C, typical
Output Ripple:
0.2% of span, or 5mVrms, whichever is greater
Output Impedance:
Voltage Output: <10 ohms
Current Output: >100k ohms
Output Drive:
Voltage Output: 10mA, max
Current Output: 20V compliance @20mA
LED Indication:
RUN (Green): On when unit is powered.
Flashes at 2Hz when input is below
operational low minus 6.25% of
operational span.
Flashes at 8Hz when input is above
operational span plus 6.25% of
operational span. INPUT (Yellow): On
while calibrating the input level.
OUTPUT (Red): On while calibrating the
output level. Flashes at 2Hz when output
is below opertional low minus 6.25% of
operational span.Flashes at 8Hz when
output is above operational span plus
6.25% of operational span.
Temperature Range:
Operating: 0 to 60°C (32 to 140°F)
Storage: -20 to 85°C (-4 to 185°F)
Humidity:
Operating: 15 to 95% RH non-condensing
Non-operating: 90% RH @ 65°C for 24 hrs
Power Consumption:
3W typical, 5W max
Standard: 115/230VAC ±10%
Isolation:
Input to Output Power: 1500VDC
Agency Approvals:
CSA C22.2, No. 0-M91, 142-M1987
UL508
Ordering Information
Specify:
1. Model: AP4003-0001
Accessories:
M801-0000 Retaining Spring
M008-A 8 pin Track Mount Socket
M004-0000 4 ft Long Channel Track
MD08-0000 8 pin DIN Mount Socket
Action Instruments
Printed on recycled pape
Pin Connections
Chessell
1 AC Power (Hot)
2 Shield (GND)
3 AC Power (Neu)
4 Pot CCW/Shield
5 Pot W
6 Pot CW
7 Output (+)
8 Output (-)
Eurotherm
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