Rockwell Automation 1771-QDC, D17716.5.93(Passport) PLASTIC MOLDING MODULE - Manual (Page 56)

Configure the QDC Module's I/O
Chapter 3
3-12
4. With your programming terminal, read the signal level returned in
SYS33 (N40:185) from your position sensor.
Important: If your position sensor has a potentiometer for setting the zero
reference, do so now
5. Record this value on line 15 for MCC33 (should be at minimum
signal if you zeroed your position sensor in step 4).
6. Move the ejector forward to the mechanical advance stop.
7. Remove ejector pressure and/or flow to stop movement.
8. Measure the distance travelled by the ejector.
9. Record this distance on line 14 for MCC32.
10. With your programming terminal, read the signal level returned in
SYS33 (N40:185) from your positioning sensor.
Important: If your position sensor has a potentiometer to set the span
(linear resolution), do so now.
11. Record this value on line 16 for MCC34.
You may now download your adjusted values to the QDC module using
the MCC download procedure presented earlier in this chapter.
Determine Values for the System Pressure Sensor
To complete the sensor configuration procedure, record minimum and
maximum system pressures and corresponding signal levels from the
sensor manufacturer’s specifications onto Worksheet 3-E, words
MCC57-60. Most applications require no further spanning. If your
application requires greater accuracy, follow the procedure below:
1. Release system pressure to a minimum.
2. Read the system pressure gauge.
3. Record minimum pressure (normally 0000) on line 5 for MCC57 on
Worksheet 4-E.
4. With your programming terminal, read the signal level returned in
SYS34 (N40:186) from your pressure sensor.
Important: If your pressure sensor has a potentiometer for setting the zero
reference, do so now
5. Record this signal level on line 7 for MCC59. It should be at
minimum signal if you zeroed your pressure sensor in step 4.