Synchronization
During data communication between
the balance/scale and a connected
device (computer), messages consisting
of ASCII characters are transmitted via
the interface. For error-free data com-
munication, the parameters for baud
rate, parity, handshake mode and
character format must be the same for
both units.
You can set these parameters in the
Setup menu so that they match those
of the connected device. You can also
define parameters in the balance/scale
to make data output dependent on
various conditions. The conditions that
can be configured are listed in the
descriptions of the application programs.
If you do not connect a peripheral
device to the interface port, this will not
generate an error message.
Handshake
The balance/scale interface (Sartorius
Balance Interface = SBI) has transmit
and receive buffers. You can define the
handshake parameter in the Setup
menu:
– Hardware handshake (CTS/DTR)
– Software handshake (XON, XOFF)
Hardware Handshake
With a 4-wire interface, 1 more character
can be transmitted after CTS (Clear to
Send).
Software Handshake
The software handshake is controlled via
XON and XOFF. When a device is switched
on, XON must be transmitted to enable any
connected device to communicate.
Data Output by Print Command
The print command can be transmitted by
pressing
r
or by a software command
(Esc P).
Automatic Data Output
Activate the “auto print” operating mode
to have data output to the interface port
without a print command. You can have
data output automatically at defined dis-
play update intervals, with or without the
stability parameter. The length of a print
interval depends on the operating menu
settings for
Ambient
(ambient conditions)
(menu code 1. 1. 1. x) and
Aut.cycl.
(time-dependent autom. printing;
menu code 1. 6. 3. x).
If you activate the auto print setting,
data will be transmitted immediately the
moment you turn on the balance/scale.
In the operating menu, you can define
whether automatic printing can be stopped
by pressing
r
.
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