User's Manual

Chapter 2: Assembly Procedures
Load Cell Wiring
(12/00) 2-3
Load Cell Wiring
Figure 2-3 shows the load cell terminal strip wiring for the WILDCAT scale.
Serial Port Connections
The WILDCAT scale provides a bi-directional RS-232 port to be used to send data to or
receive commands from a computer, printer, or other serial device. The following chart
(Table 2-1) describes the pin configuration of the 9-pin D-Sub female connector on the
side of the terminal (indicator) of the WILDCAT scale. The maximum recommended
cable length for RS-232 is 50 feet (15 meters).
Pin Signal Description
1 Not Connected
2 RxD Receive Data
3 TxD Transmit Data
4 Not Connected
5 Gnd Logic Ground
6 Not Connected
7 Not Connected
8 Not Connected
9 Not Connected
Table 2-1
Table 2-2 shows the ASCII commands that may be used to communicate with the
WILDCAT scale via the serial port. A more complete explanation is given in Appendix 3.
ASCII
Command
Function Performed in the WILDCAT Scale
C Clear Tare
T Tare
P Print
Z Zero
+EXC +SEN +SIG Shield -SIG -SEN -EXC
Green Blue Red Orange White Brown Black
Figure 2-3
NOTE: Bi-directional capability
was added in version 2.0
software. Previous versions did
not provide ASCII input
commands.
Table 2-2