Veeder-Root A103-007 Technical Manual Download Page 2

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O V E R V I E W

OPERATION

3.  Next/Reset Key:  

When in Operation Mode, depressing the key will

reset the count value to 0, if Front Panel Reset has been enabled in
Programming Mode.  When the program input is active this key is used
to select a menu item for editing (left most digit will begin to flash) and
then move to the desired digit to be changed.

4. 

Preset Value:

  Indicates the number at which the output will be

activated (for Up counting) or the reset value (for Down counting)

1. Total Display:   

Indicates the present count value, which is equal to

the number of pulses received since the last reset

2. Down Key:  

Toggles the unit between the total and preset displays

when in Operation Mode.  When the program input is active this key is
used to scroll through the menu items.  After a menu item has been
chosen for editing, the down key is used to set the value for the
currently selected (flashing) digit.

REAR TERMINAL CONNECTIONS

* For high speed current sinking devices, provide a pull-up
resistor from terminal 2 to a DC source

10 - 28 VDC

+
-

+
-

Sink          Source

+

1. Common

2. High Speed Input A  - PNP or squre

signals up to 10 kHz* for incrementing the
count value

3. Low Speed Input A - NPN or dry contact

inputs up to 30 Hz for incrementing the
count value

 4. Remote Reset - Resets count value when

switched to common

5. Front Panel Program Enable - Allows access to

program mode when switched to common

6. & 7. - Form A SSR Output

8. DC Supply Input - For backlighting

R

1. Total Display

2. Down Key

3. Next/Reset Key

VEEDER-ROOT

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C.2345678

P.3456789

4. Preset Value

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