19
FIGURE 3: INNER TERMINAL BLOCK CONNECTION DIAGRAM
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
● Figure 4 shows the pin assignment on the DB9 9 pin connector
FIGURE 4: DB9 SERIAL CONNECTOR PINOUT
There are 3 Output formats to choose from
1. RS232 Serial Output Format (Standard)
2. 4-20 mA Analog Output (Optional)
3. Relay Output (Optional)