SW22
20
User
manual
P1630830G
where:
ADDR
start transmission character
1
chr
CMD
command code : character “F”
1 chr
MEM
fiscal memory code number
6 chr
NET
net weight stored in fiscal memory at location MEM
7 chr
ETX
end character ETX ( 03 Hex )
1 chr
CHK
checksum value
2 chr
EOT
end transmission character EOT ( 04 Hex )
1 chr
The field “NET” is right justified and filled with “space” ( 20 HEX ); The decimal separator is “,”
(2C Hex)
The field MEM is right justified and filled with “space” ( 20 HEX ).
Zero Command
Request :
ADDR CMD EOT
02 Hex or (80 Hex + address SW)
Z
04 Hex
Positive answer from SW22:
Negative answer from SW22:
(Zero performed)
(Zero not performed )
ACK is chr 06 Hex
NACK is chr 15 Hex
Tare Command
Request :
ADDR CMD
PARAM
ETX
CHK
EOT
02 Hex or (80 Hex + address SW)
T
Tare value
03 Hex
checksum
04 Hex
Where :
ADDR
start transmission character
1
chr
CMD
command code : character “T”
1 chr
PARAM Tare value
7 chr
ETX
end character ETX ( 03 Hex )
1 chr
CHK
checksum value
2 chr
EOT
end transmission character EOT ( 04 Hex )
1 chr
The field PARAM ( Tare value ) must be right justified and filled with “space” ( 20 HEX ).
If “PARAM” is filled with SPACE ( 20 Hex ) SW22 execute the autotare command.
To clear a set tare value, transmit a command with the tare value equal to 0.
Positive answer from SW22:
Negative answer from SW22:
ACK is chr 06 Hex
NACK is chr 15 Hex
ADDR CMD MEM NET STX CHK EOT
ADDR CMD NACK EOT
ADDR
CMD ACK EOT ADDR CMD NACK EOT
ADDR T ACK EOT ADDR T NACK EOT
