Service manual

METTLER TOLEDO
DIVA Service Manual 57
6.1.9 Dialog 04 / 02
Note: To use Dialog 04, select this protocol but set the baud rate to 4800, for Dialog 02 the
baud rate is set to 2400
6.1.9.1 Data Format
Baud rate: 2400 Baud
Type of transmission: asynchronous
Data format: 7 Bit + Parity
Parity: odd
Stop bits: 1 Bit
Connection
Scale POS
TXD 3 2 RXD
RXD 2 3 TXD
GND 5 5 GND
6.1.9.2 Flow Chart
EOT
STX SET 03 ET
X
STX
SET
04
ET
X
ET
X
ST
X
SET 05 ETX
ENQ
ACK
N
A
K
EOT
STX SET 02
N
A
K
ETX
STX SET 01
ECR
SCALE
N
A
K
STX ETX
ST
X
ETXSET 08
SATZ 09
Response: Min. 2ms
Max. 5ms
Note: The scale replies to ENQ with NAK when there is no load on the platter, the scale
is in motion, under zero, or overcapacity. NAK is sent in response to the setting strings if
there is invalid data in the setting.