Tunaylar Load Line 2 - Master-Slave Communication Setup

KM.LL3E.001
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8.3. Master - Slave Communication :
If the ports are configured in slave mode two way and full duplex communication is possible.
To do that, first of all each weight indicator must be addressed. In order to take data from
Slave ports the following characters must be send to the indicator.
As soon as the indicator take these bytes it will send data to master device via the ports which
are dedicated as slave. This communication can be done through RS 232 or RS 422/485. It is
possible to connect up to 32 indicators. Data structure is as follows :
SB
SB
D6
D6
D6
D4
D5
D5
D5
D3
D4
D4
/
:
D3
D3
D4
D2
D1
D2
D2
D3
D1
D2
D1
D1
/
Date Time Weight CK
ST
STRecord No
Address
Address
+
+ +++ ++
+
+
SB : Start Byte
SB
Address : 1 Byte (Address Info)
Address
ST : Stop Byte
Record No :
Weight :
CK : Checksum
ST : Stop Byte
Date :
Time :
: Start Byte
: 1 Byte (Address Info)