D440IS
2-44
If the
Serial Number
item has been selected in the
Setup Menu
(par. 11.6.12 on page 2-72), the data transmitted are:
1
st
character
$(24H)
2
nd
character
M(4DH)
3
rd
character
P(50H)
4
th
-11
th
character
Serial number
12
th
-18
th
character
MPP identification code or
indications about the scale status:
NO<SP>STAB weight not stable
NO<SP>VAL<SP> weight not valid
ERRMEM<SP> weight memorizing
error
19
th
-26
th
character
Weight with sign and possibly a
decimal separator
27
th
-28
th
character
<um>
Unit of measurement
29
th
-30
th
character
<CRC>
String monitoring field.
The computer replies with:
✔
<ACK> if the string has arrived correctly;
✔
<NAK> if the string has not arrived correctly; in which case the
terminal retransmits the data packet. After three negative replies or
no reply, the terminal displays an error message.
Any characters other than <ACK> and <NAK> are interpreted as
<NAK>.
WARNING
The ACK/NACK protocol (see par. 10.3.1 on page 2-25) is
automatically enabled in MPP operation.
Summary of Contents for D440IS
Page 1: ...Terminal D440IS Advanced user manual Code 81320155 EDITION 08 06 2015 ...
Page 2: ......
Page 114: ......