User`s manual
17
ICL PROTOCOL
ECR SCALE
Communication starts immediately after SCALE key is
pressed.
inquires about scale
condition
ENQ
Y
NAK receive data error
N
N
NULL weight data valid
Y
Y
ACK ready to send
N
N
CAN
weight has
been changed
Y
ACK
requests weight data DC1
Y
NAK receive data error
N
transmits weight data
Y
receive data error
N
re-transmits weight data
Y
NAK receive data error
N
N
ACK data match
Y
transaction end CR