Veeder-Root V454501, Technical Manual

To enter Program Mode, set the PGM input active (low) e.g. by tying it to COM.
Whilst in Program Mode, the PGM indicator will be ON.

Function

Pre-scaler

Out Time

Decimal Point

Operator Mode:

Preset

Parameter

Description

(Upper Display)

None

Meaning

Pre-scales counter operation

(multiply from 0.001 to 9.999)

Value = Count units displayed

      Count pulses input

Sets momentary ON time for

PRESET output (0.01 - 99.99s; 

0.00 for latched operation)

Defines decimal point position

Shows Preset value

NOTES

1. To adjust Pre-scaler, Out Time or Preset value (as selected), press Next

key to enter Edit Mode (digits will flash), use Next key to select each digit to

be adjusted, and adjust digit value using Down key. When adjustment is

complete, press 

ENT

 key to exit Edit Mode (digits will become static).

2. To adjust decimal point position, select that parameter, press Next key to

enter Edit Mode, then use Next key to position decimal point. Press 

ENT

 key 

when finished.

To exit Program Mode, set the PGM input inactive (High).

WARNING!
Changing Program
Mode parameter values 
while the process is
operating may be
hazardous to the
operator and/or the
controlled equipment.
Use extreme caution
and stop the process
before attempting to
change Program Mode
parameter values.

IMPORTANT

You must press the 

ENT

key to implement new
parameter values.

NOTE

Possible Decimal Point
Position settings are: