Adam Equipment PGW Precision Balances PGW2revA User Manual

 
© Adam Equipment Company 2010                        9 
6.0  DISPLAY 
 
 
The LCD has several areas-   
-  A  large  7  digit  area  to  display  the  weight  with  s ymbols  for 
common weighing units on its right and symbols for  zero, tare 
(Net) and stability on the left.  
-  A  10  digit  area  which  allows  a  large  amount  of  fl exibility  for 
displaying  text  messages  concerning  menus,  operatio n  and 
errors, for example to display the current weighing  mode or to 
guide  the  user...

 
© Adam Equipment Company 2010                        10 
 
SYMBOLS AND TEXT 
 
The LCD has unique symbols to indicate the followin g: 
  0  
  Zero 
 Busy   
 
Stable 
 A bar graph with set point markers   
g,  mg,  kg,  ct,  dwt,  GN,  ozt,  oz,  
lb, dr, tl H, tl T, tl S, MM, T, ti, N, 
Custom, g/cc, Pcs, %, M, and S  Symbols shown for units and modes   
 
INDICATORS  
    “
CAL” 
When calibration is occurring or about to occur 
“ºC”  When  a  temperature  is  shown  or  a  temperature  driven...

 
© Adam Equipment Company 2010                        11 
 
7.0  KEYPAD 
 
 
 
The keypad has the following keys to operate the ba lance. 
 
Keys Primary function  Secondary function 
 To turn the balance to ON or  
Standby 
- 
[
 0/T ] or  
[Esc]  A combined zero and tare  
function 
To escape from setup 
functions and modes 
[Unit] / 



 or 
[Down]  Selects weighing units by  
cycling through a set of  
enabled units  To decrement or change a  
displayed value or scroll  
through options...

 
© Adam Equipment Company 2010                        12 
 
8.0  INPUT/OUTPUT 
 
 
  
The rear panel has connectors for RS-232 serial and  a power 
input socket.   Required  power  input  is a low-voltag e  external 
supply, 12VDC @ 800mA. (PGW 753, 15VDC)     
     

 
© Adam Equipment Company 2010                        13 
 
9.0  OPERATIONS 
9.1  INITIALISATION   
 
When the  balance  is  first  switched on, it  
will display the balance serial number (if 
set),  software  revision,  model  capacity 
and then all segments on the display will 
be  shown.    Overall  the  time  taken  is  
usually 5 -10 seconds.   
If  an  operator  passcode  has  been  set,  the  display  w ill  show  “PASSCODE ”  and 
the main display will show a zero.  In this case yo u must enter...

 
© Adam Equipment Company 2010                        14 
 
9.3  WEIGHING 
 
  Press  [ 0/T ] to  zero  the  balance,  if  required,    “ 0   “  will  be 
displayed  
 
   Place a mass on the pan and the weight will be dis played  
  If a container is used press  [ 0/T ] to tare the balance when the 
balance symbol “~” is on. “Net” will be displayed t o indicate that the 
balance is tared 
 
   When  the  display  shows  zero,  place  the  item  to  be  weighed.  Only  the 
net  weight  will...

 
© Adam Equipment Company 2010                        15 
It  is  possible  to set  the  balance  to  display only g rams.  Grams  will  always  be 
one of the units enabled, by default.   
 
If “CUSTOM” unit is selected, the balance will prom pt for entering a multiplier 
by  displaying  “MULTIPLIER  XX,XXX”,  where  “XX,XXX”  i s  the  last  stored 
value. Any value ranging from 0.100 to 10.000 may b e entered, by which the 
weight  in  grams  will  be  multiplied  before  being  dis played.  If  a...

 
© Adam Equipment Company 2010                        16 
   
9.4.1  Parts Counting 
 
This  allows  the  user  to  weigh  a  sample  of  parts  to  compute  an  average  unit 
weight and then determine the number of items being  weighed by dividing the 
net  weight  by  the  unit  weight  value.    The  result  is   always  a  whole  number  of 
parts. 
 
The  balance  will  have  a  preset  number  of  parts  to  b e  used  as  a  sample. 
These values are 10, 25, 50 or 100 items. 
 
Steps:  
...

 
© Adam Equipment Company 2010                        17 
9.4.2  Percent Weighing 
 
Percent  weighing  will  be  done  by  defining  a  certain   weight  to  be  100%.   The 
weight to be used can either be entered by the user  or taken from a sample 
 
  Press  [Mode] and then the  [Up] or [Down]  key to select Percent 
weighing, “PERCENT” will be displayed 
 
   Press  [Enter] to enter the function  
  Display will show, “PERCENT SAMPLE”  
  Press  [Enter] to  select  the  sample  method  or...

 
© Adam Equipment Company 2010                        18 
9.4.3  Check Weighing 
 
During  weighing  of  a  sample  the  balance  can  be  set  to  show  if  the  weight  is 
above  or  below  an  upper  and  a  lower  limit.    The  dis play  will  use  the  arrows 
under  the  bar  graph  to  show  that  check  weighing  is  operating.      The  bars 
between  the  arrows  will  indicate  when  the  weight  is   below  the  lower  limit, 
between the limits or above the upper limit. 
 
  
The  buzzer...