47
ADVANCED USE MANUAL DD700
2.8
Communication in MPP mode
2.8.1
Operation
The terminals equipped with the MPP option can operate in four different operating modes, which
are explained in detail in the following paragraphs.
The weighing storage operating mode is selected at the time of installation.
2.8.2
Weighing request from key with data transmission at end of operation
Once the MPP memory has been activated (see options chapter in user manual), load the weight
onto the weighing platform, wait for it to indicate that the weight is stable, then press
. The
terminal stores the data and proceeds to send it.
If
Standard
, is selected in the
Setup Menu
the sent data will be:
1st character
$(24H)
2nd character
M(4DH)
3rd character
P(50H)
4th-10th character
MPP identification code or indications on scale
status:
NO<SP>STAB weight not stable
NO<SP>VAL<SP> weight not valid
ERRMEM<SP> weight
storage error
11th-18th character
Weight with sign and any decimal separator
19th-20th character
<um>
Unit of measurement
21st-22nd character
<CRC>
String control field; it is calculated running an
XOR (or exclusive) operation of all previous
characters. The calculated value is expressed
with two hexadecimal characters, for ex if the
result is 62H the two checksum characters are
"6" (36H) and "2" (32H).
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