7 … 9
6 … 9
MC • Karl Dungs
, Inc.
• EMP-5 • Edition 2017.05 • P/N 261483
Jumper for
Deadband Adjustment
Jumper for
Input Signal
Zero Point Potentiometer
(adjustment for minimum positioning with 4 mA)
3 % Deadband
(Factory Preset)
Input Span Potentiometer
(adjustment for maximum positioning
with 20 mA)
5 % Deadband
(Optional Setting)
4 - 20 mA
Current Input
(Factory Preset)
0 - 10 VDC
Voltage Input
(Optional Setting)
NOTE:
The minimum position current input (zero point)
potentiometer and maximum position current input (span)
potentiometer can be physically turned indefinitely; but they
have an effective limit of 25 turns. Relative to the start point (4
mA / 0 degrees), rotating the post CW causes the actuator to
drive toward 90 degrees. Conversely rotating the pots CCW
causes the actuator to drive back toward zero. This is true of
both the START POINT and SPAN adjustments.
NOTE:
There is a slight delay (approx. 3 seconds) in actua-
tor movement when a potentiometer is adjusted. Make final
adjustments slowly to prevent over adjusting. If adjusted prop-
erly, when the unit just begins to drive is should stop within 5
degrees. Over adjusting will lower the actual start point.
3. With the desired current input for the minimum position ap-
plied (typically 4 mA), adjust the zero point potentiometer
so the actuator shaft drives to it’s zero point (minimum
position). It is best to adjust the start point potentiometer
until the actuator shaft just starts to move off its zero point.
Maximum Position Calibration
1. Apply power to the actuator, then turn on the “current cali-
brator”.
2. Adjust the “current calibrator” until the mA input equals the
desired finish point (maximum position). This is typically
20 mA.
3. With the desired current input for maximum position (typi-
cally 20mA), the actuator will drive towards 90 degrees.
Once the actuator stops, adjust the span potentiometer so
the actuator shaft drives to the maximum position. It is best
to adjust the span potentiometer until the actuator shaft just
moves to its finish point.
4. Remove the current calibrator and turn off power to the
actuator. Then, reconnect the drive’s leads to the controller.
5. Reinstall the cover.
6. Reapply power to the actuator and turn on the controller.
NOTE:
Occasionally, an adjustment to the input span setting
results in a change to the start point setting, due to a small
interaction between these two settings. After adjusting the
input span potentiometer, ensure that both settings meet
requirements by repeating steps 7 - 9.
NOTE:
When setting the potentiometers; only move the
actuator shaft in one direction. If the shaft is moved in opposite
direction, deadband will effect the setting.
NOTE:
After adjusting for deadband or input, the drive will
need to be re-calibrated. Please follow procedure on page
5 and page 6.
The potentiometer adjustments and the jumpers are located under the metal cover of the CP-9302-702 (the black box).
Top view of CP-9302-702
(the black box)
Metal cover of
CP-9302-702
Location of pot.
adjustments and
jumpers under
metal cover
Potentiometer Adjustments and Jumpers
Adjustment
Do not apply a voltage source input to a CP-
9302 actuator drive that is configured for cur-
rent input . Doing so may damage the drive .
Static charges produce voltages high enough
to damage the electronic components . Follow
static electricity precautions when servicing the
device (s) .
Potentiometer Adjustment and Jumpers