Repair
7-8
P/N 7135268B
E 2008 Nordson Corporation
PURBlue EC
Replacing Motor Controller
CAUTION: Connect or disconnect the terminals only when the melter is
deenergized. The motor controller is still energized after switching off. Wait
at least three minutes before beginning any work!
Use only original Nordson motor controllers. They are parameterized and
guarantee the required function.
Replacing Standard I/O Board of Motor Controller
1. Disconnect motor controller from power supply and wait at least
3 minutes.
2. Disconnect standard I/O connections
3. Use a screwdriver to pry away the male connector (1) first and then the
standard I/O board (2).
4. Remove protective cap (3) of the new standard I/O board.
5. Set the DIP-switch of the standard I/O board as indicated by the wiring
diagram (Refer to Motor Controller).
6. Insert standard I/O board into the serial port of the motor controller.
7. Insert male connector (1) into female connector of the standard I/O
board.
8. Connect standard I/O board according to cable designation.
3
1
1
2
Fig. 7-6