Internal Components
VC3500 User’s Manual
Valco Cincinnati
57
Channel 3 and 4 Logic Board
PN 151xx363
Analog Board
PN 151xx364
Connectors
J1, J2
Connection to the LED board
Jumpers
JP1
Low Pressure Limit Select
A low air-pressure limit may be selected for delivery to glue source. Normally, this is
set to 0%. Other possible selections are 10, 25, and 50% of full pressure.
Potentiometers
P1 (Bar 0-Adj)
Allows adjustment of the pressure bar graph on the LCD/touchscreen to a minimal
length for zero speed.
P2 (Gain Adj)
Not used. In early models, allowed adjustment to gain of frequency-to-voltage
converter U3. Increasing the gain will increase the analog voltage at J2, pin 3 (to the
EPC) for a given frequency of encoder pulses.
Connectors
CO1
Connection to interface board via a 30-pin ribbon cable.
J2
Connection for 17VDC supply voltage from the power supply board
J3, J4
Connection to analog daughter board
J5
Connection to EPC via a four-conductor cable
J6, J7
Connection for front-panel channels 1 and 2 enable switches
J10
Connection for front-panel pressure-adjust switch
Connectors
J5, J6
Connection to the CPU board
LED Board
PN 151xx365
Summary of Contents for VC3500
Page 1: ...VC3500 User s Manual Software Version 3 X Manual Number MCO35 Manual Release Date July 1999 ...
Page 19: ...Installation VC3500 User s Manual Valco Cincinnati 16 Figure 8 Internal Connections Diagram ...
Page 88: ...VC3700 User s Manual Software Version 3 X Manual Number MCO34 Manual Release Date July 1999 ...
Page 181: ...VC3500 VC3700 Troubleshooting Manual Manual Number MC048 Release Date May 1999 ...
Page 185: ...VC3500 VC3700 Troubleshooting Manual Valco Cincinnati Page 1 System Level Documents ...