Description of controls and operation – Hydrotech MP Series PULSAtron User Manual
Page 11

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DESCRIPTION OF CONTROLS AND OPERATION
INTRODUCTION
The pump performs the following functions:
Selected Controls
- Fixed Rate
- External Pulse
- Straight Pulses
- Pulse Storage
- Division
- Multiplication
- External Current Signal
- 4-20 mA
- 20-4 mA
- Stroke Counting
- Timed Operation (intervals)
Display Alarms
- Circuit Failure
- Pulse Overflow
- Signal Loss
- Pulse Rate High
- Full Count
Relay Output (one selected at a time)
- Relay Off
- Pulse Overflow
- Stop Function
- Repeat Strokes
- Current Signal Loss - Circuit Failure
- Full Count
USING THE TOUCHPAD
All adjustments and changes to pump operation (except stroke length) are made through the 6-button touchpad
(figure L).
Except for alarm conditions, the LCD display (figure K) always presents either the present operating condition or
a prompt which must be answered in order to commence operation.
There are two types of prompts:
Prompts in the form of questions (marked with a flashing question mark) are used to navigate through the
menu options. These prompts are answered by pressing either the or buttons.
Prompts marked with alternating up and down arrows are always encountered when a numerical value must
be selected (i.e., stroke rates, counts, run times, ratios). These prompts are answered by pressing either
the or
buttons to change the display value to the desired setting. After the desired value has been
set in the display, press
to accept this value and continue or press to return to the main menu.
To stop the pump at any time, press the red
button. To
resume operation as before, press the
button.
To display the present stroking rate as a percentage of the
maximum rate of the pump at any time, press the
button.
Press any button to return to the normal display.
Pressing the
button while the pump is in operation will bring
up the relay option menu. Pressing
will allow scanning
the relay output options. When the desired option is presented
press the
button, this will set the relay option and the screen
will automatically return to the operating display.