10
2.4.1 Load
Cell
Connection
A high quality cable with braided shield is recommended. Use a four-
conductor, 16 to 24 AWG stranded wire cable for load cell or summing
box connections.
2.4.2 Printer
Port
Connection
The printer port is a RS232 bi-directional serial port that can be
connected to a printer or computer. Use the custom print formats
described in section 3.3.3 to configure the printer port output.
When making the printer port connections, consideration should be given
to the communication protocol. Refer to
Table 3
in order to determine
proper wiring for the printer port.
Table 3: Printer Port Connections
Pin Name
Description
1
CTS Clear-to-Send
2
TXD
Transmit
3
RTS
Request-to-Send
4
RXD Receive
5
N/C
-
6
GND
Digital Ground
7
N/C -
8
N/C
-
2.4.3 Comm Port Connection
The Comm port is a RS232 bi-directional serial port that can be
connected to a computer or any other serial device. This port can be used
for bi-directional communications with a serial device, through an RF
link or data logger, for recipe and transaction data exchange.
Before connecting to the comm port, consideration should be given to the
communication protocol. To determine proper wiring to the comm port,
refer to
Table 4.
Table 4: Communication Port Connections
Pin Name
Description
1
CTS
Clear-to-Send
2
TXD Transmit
3
RTS Request-to-Send
4
RXD Receive
5
+5V
+ 5 Volts DC
6
GND
Digital Ground
7
N/C -
8
N/C
-
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