CHAPTER 1
GETTING STARTED
Ohaus Corporation www.ohaus.com
1-6
7000 Series T72XW Indicator Service Manual
In addition, the maximum cable distance must be reviewed. Table 0- provides recommended
maximum cable lengths based on TSR and cable gauge.
Table 0-3: Recommended Maximum Cable Lengths
TSR (Ohms)
24 Gauge
(meters/feet)
20 Gauge
(meters/feet)
16 Gauge
(meters/feet)
350
243/800
610/2000
1219/4000
87 (4-350
cells)
60/200
182/600
304/1000
43 (8-350
cells)
30/100
91/300
152/500
35 (10-350
cells)
24/80
60/200
120/400
The T72XW terminal is designed to support both 2mV/V and 3mV/V load cells from the same
circuitry. A load cell output rating selection jumper is not required.
shows the terminal definitions for the analog
load cell terminal strip. Note that when using four-wire load cells, jumpers must be placed
between the +Excitation and +Sense terminals and between the
Excitation and
Sense
terminals.
Figure 0-3: Load Cell
Termination
Note:
For the standard four-wire cable: If an increase in load results in a decrease in weight
display, reverse the signal wires (+SIG and
SIG)
Summary of Contents for 7000 Series
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