Troubleshooting
7-41
Part 1123087_02
î 3/2014 Nordson Corporation
Table 7â3 Main Board Components (contd)
Designation Type Description
Connection Points
XT1 Input High-voltage power connection to board
J1 Input/output Signal ribbon cable between main board and CPU/LCD board
XP1 Output Control voltage to applicator solenoid 1
XP2 Output Control voltage to applicator solenoid 2
XP3 Input Not used
XP4 Input Not used
XP5 Output Control voltage to manifold RTD
XP6 Output Control voltage to grid RTD
X1 Output High-voltage to manifold heater
X2 Output High-voltage to grid heater
X3 Output Not used
X4 Input/output High-voltage and control voltage out to hose/applicator 1
X5 Input/output High-voltage and control voltage out to hose/applicator 2
X7 Input Switch closure from melter control switch
Test Points
TP7 Contact +5 VDC out of low-voltage power supply
TP2 Contact Circuit common of low-voltage power supply
To Next Page
Loading...
