User`s guide
I/ O E VENT (IN)
The I/O Event (in) command is used to have the pump pause and wait for a signal from an external device
or for a manual user input at the touchscreen. These external signals are communicated via Pin 2 on the
15-pin I/O Connector port.
Figure 71: I/O Event (in) Advanced Options menu.
The following options are available when setting an I/O Event (in) command.
• Input High-to-Low: Sets the pump to wait for a logic low input signal falling edge.
• Input Low-to-High: Sets the pump to wait for a logic high input signal rising edge.
• User Press: Sets the pump to wait for manual input from the user at the touchscreen (screen touch).
TO INSERT AN I/O EVENT (IN) COMMAND:
1. From the Method Main screen, choose Step Definition to enter the Method Steps Summary screen.
2. Highlight (select once) the Method Step that you want the I/O Event (in) to follow.
3. Choose the Add Step button to access the Method Steps Menu screen.
4. Choose Advanced Options to enter the Select Advanced Options screen.
5. Choose the I/O Event (in) button to enter the Event Step Definition Screen.
6. Select either Input High, Input Low or User Press, as appropriate.
7. Choose the Accept button to save your changes and return to the Method Steps Summary screen.
Harvard Apparatus PHD ULTRA
™
Syringe Pump Series User's Manual
Publication 5419-002-Rev-A
75
U
sing The PHD ULTRA™