18
Heavy Duty Pallet Digital Scale
User’s Manual
Table 4. Wiring Color Code
Signal Name
Color Code
Description
+Exe/ +EX
RED
Positive excitation voltage to load cell
+IN / +SIG
GREEN
Positive output signal from load cell
HD / SHLD
YELLOW/THICK BLACK
Shield Wire
-IN / -SIG
WHITE
Negative output signal from load cell
-EXC / -EX
BLACK
Negative excitation voltage to load cell
DB9 Connection (9 pin Serial Connector)
The DB9 9 pin serial connector is used for different purposes depending on the indicator model
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Figure 4 shows the pin assignment on the DB9 9 pin connector
FIGURE 4: DB9 SERIAL CONNECTOR PINOUT
RS232 SERIAL OUTPUT FORMAT
Follow the pin out of Table 5 below to connect the indicator the RS-232 Serial device
Table 5. DB9 Pin Description
DB9 Pin
Definition
Function
2
TXT
Transmit Data
3
RXD
Receive Data
5
GND
Ground Interface
The serial output format depends on the settings for parameter C18. The serial output consists
of a string of ASCII characters. Here is a list of the serial parameters
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8 data bits
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1 stop bits
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No parity
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No handshaking
