748P Weight Indicating Instrument
Technical/Operation Manual Addendum
Updates and Erratum in REV 1.7
This addendum is to inform users of changes to the Setup and Calibration procedure, erratum in
the Setup and Calibration display prompts and the addition of a new Serial Command. Note,
the erratum is only in REV 1.7 and has been corrected in REV 1.8. This addendum should be
used in addition to the 748P Technical/Operation Manual. That manual should be consulted for
information concerning the installation, setup, operation and service of this instrument.
Update, Page 15 - Selectable TARE Function
Changes have been made to Setup allowing the Tare function to be enabled or disabled. After
the trSto=trSto = prompt, a new prompt, tArEtArE will be displayed.
TARE FUNCTION
Press ENTER to show current setting. Press 0 or 1 to enter new setting.
Press ENTER to save new setting or to save the current setting.
nOnO (0) = Tare Function disabled YESYES (1) = Tare Function Enable
Note, that if NO is selected (Tare Function disabled) the Pbt=Pbt= (formerly PbtAr=PbtAr= ) and CLtA r=CLtA r=
prompts will not be displayed. The Prt=Prt= (Printer Model Selection) will be displayed next.
Erratum, Page 12 - Capacity Prompt
NOTE: This erratum applies only to instruments with REV 1.7 software and has been corrected in REV
1.8. You can verify the software revision level of your indicator by turning it off then back on. The model
number and the REV will be displayed momentarily, then the display will change to the show weight.
CAP=CAP=, the display prompt for the Capacity of the scale was accidently replaced with the incorrect
prompt LOAd=LOAd=. The function remains the same and the instructions for the Capacity prompt as
outlined in the manual should be followed. Again, only the display prompt was changed.
New Serial Command - WEIGHT On Demand and Consecutive Number
If the bi-directional serial has not been setup for continuous output, the 748P will respond to a
request for weight and consecutive number by transmitting the computer formated weight
followed by the "#" character and the six digits of consecutive number.
The host device (computer) sends: CTRL T - (hex 14)
The 748P will respond:
Sxxxxxx^UU^M^CC^#nnnnnnCR - if no decimal point in weight display.
SxxxxxxD^UU^M^CC^#nnnnnnCR - if decimal point in weight display.
S - sign (space if weight is positive or a “--” if weight is negative)
xxxxxx - six digits of weight with leading zeros suppression
D - decimal point embedded in weight (if decimal point selected during
calibration)
^ - space (hex 20)
UU - weighing units (lb or kg)
M - weighing mode (“G” if displaying gross weight, “N” if displaying net weight)
motion - space if there is no motion or an “M” if there is motion
CC - weight status (“OC” if weight exceeds scale capacity, “BZ” of the weight
is below zero, “MO’ if there is motion)
# - ASCII character
nnnnnn - six (6) digits of consecutive numeric with leading zeroes supressed
CR - carriage return (hex 0D)
Note, The consecutive number must be set using the 748 keypad and will be incremented via the print
function. Printer Tab Settings or Visual Print must be set to print the consecutive number.
ADDENDUM FOR MANUAL:
8539-M258-01 Rev A 07/99
07/00
tArE= tArE=
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