Fairbanks FB2255 Series Instrument PC2255 PC Software Utility Program - Manual (Page 56)

Section 6: PC2255 Utility Software
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6.7. Fieldbus / 4-20 mA, Continued
OUTPUT
Data from the FB2255 comprises of three (3) 32-bit words.
•
Gross Weight
•
Tare Weight
•
A 32bit Status Word
•
Gross and Tare weights can be selected as either a 32-bit Integer or a 32-bit
Floating Point Word.
•
The Most significant Byte indicates the Weigh Mode "G" for Gross, and "N"
for Net.
•
The Next Order Byte indicates "O" Overcapacity, "M" Motion of the last
command received. (See INPUT Commands)
The next order byte indicates the weight units.
• "l" pounds
• "k" kilograms
• "o" ounces
• "g" grams.
The Least Significant Byte indicates the number of decimal places, if the weight
output is selected to be a 32-bit Integer word.
– If a Floating point word is selected, this byte will be “0”.
INPUT
Single Byte Commands can be sent from the network.
– Although the input is read as a 32-bit word, only the Least Significant Byte is
used in this process.
– When the command is sent and recognized, it is entered into the 32 -bit status
byte in the Least Significant Command Byte location.
– New commands can be transmitted after transmitting a NULL command.