Hardy HI 3010 Filler/Dispenser Controller - Manual (Page 149)

133 CHAPTER 7
Troubleshooting
• If any or all the load sensor readings are
0.00 there is something wrong between the
HI 3000 and the load cells. The cable(s) is
disconnected or something is wrong with
the such that it is not transmitting the read-
ings to the HI 3000 instrument.
• If you do not get a reading for one or pos-
sibly two or more load sensors (Sensor 3
for example reads 0.00 or the reading is
either larger or smaller than it should be)
and you know that the Load Sensors are
connected to the instrument, the individual
load sensor cable is disconnected from the
instrument, broken cable or the load sensor
is malfunctioning.
Step 5. With this information you can quickly determine
what the problem is and where it is located either
from the Web Browser, Front Panel.
Step 6. To return to the Operation Smart Diagnostics Page,
click on the back arrow at the bottom of the page.
Overview of Typical Load Cell System
1. The typical system consists of one or
more load cells/points, a summing
junction box, and an HI 3010 control-
ler. (See Figure 7-121).
FIG. 7-121 TYPICAL LOAD CELL SYSTEM
2. Load Cell/Sensor/Point - is a strain
gauge based force transducer, which
generates an electrical signal propor-
tional to the load applied to the scale.
Load cells/points can be used any
place a person needs to measure pres-
sure, load, or torque. This can be
accomplished by either Tension or
Compression type load cells/points.
The load cell/point takes as an input
the 5 volts DC Excitation Voltage generated by the HI 3010, and
depending upon how much weight is
applied to the scale, generates a milli-
volt output (proportional to the
weight, 0-10mv DC for 2mv/V load
cells/points or 0-15mv DC for 3mv/V
load cells/points).
3. Weight Controller - is part of the HI
3010 instrument which, among other
functions, is used to power the load
cell(s)/point(s), take the millivolt sig-