PICO Toµch Controller
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Pin
Number Pin Name Direction Level Description
14 Pulse OK Output 0–24V End of Cycle feedback indicating that the programmed dispense
parameters have completed.
The PULSE OK signal is generated after each programmed
dispensing parameter has occurred. The signal can be used for
monitoring and counting.
• 0V = No dispensing active
• 24V (6 ms) = Dispensing has occurred
The signal duration of 6 ms is the factory default. The signal
duration is adjustable from 1–100 (ms). Refer to the System
PULSE OK Time setting under "SYSTEM Screens" on page 26.
15 Ext 24 Volts Input/output 24V The controller can provide up to 200 mA as a courtesy power
supply or this pin can be used to provide an external isolated
power supply. Use the “dioe”and “dioi” commands to congure
the functionality of this pin (Refer to "Appendix A, Remotely
Operating the Controller" on page 53). Contact Nordson EFD
for applications which require more than 200 mA.
Input / Output Port Pin Descriptions (continued)
I/O 1 15-Position D-Sub (continued)
I/O 2 25-Position D-Sub
Pin
Number Pin Name Direction Level Description
1 Not available Nordson EFD use only
2 RS_232_TX Output 0–5V Transmission pin for RS232. Contains response data from
controller.
3 RS_232_RX Input 0–5V Receiving pin for RS232. Data from an RS232 device inputs
to this pin to command the controller. Refer to "Appendix
A, Remotely Operating the Controller" on page 53 for
instructions.
4 Not available Nordson EFD use only
5 Not available Nordson EFD use only
Continued on next page
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