Hardy ANY-WEIGH Bench Scales - Manual (Page 18)

Any-Weigh™ Series Bench Scales
3-6
Carefully note which wire is connected in the loop to
maintain correct polarity within the loop. To reduce
the change of ground loops do not connect any of the
scales signal wires to earth ground. (See Fig. 3-7)
FIG. 3-7 ANALOG SCALE/OUTPUT/POWER LOOP WIRING
RECEIVER
#1
RECEIVER
#2
RECEIVER
#3
Power
Supply
Transmitter
Analog Scale
4mA - 20mA