Hardy HI 1756-FC - Manual (Page 15)

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Chapter 3
You must have sense jumpers or sense
lines installed to properly reference the
excitation voltage. To properly reference
a C2 calibration, run sense lines and
remove the sense jumper.
NOTE When using load cells that do not have
sense lines, you will need to jumper the
Sense (-) to the Excitation (-) and the
Sense (+) to the Excitation (+) for one or
both channels.
Jumpers
RTA with jumpers for load cells without
sense lines
RTA Cable Assembly and Jumpers
A six-foot cable connects to the HI 1756 FC module.
RTA cable assembly - HI 1756WS RTA cable schematic
Hardy HI 215IT Junction Box
Load
Cell
Connector
J1
1756 FC
Hardy HI 215IT Junction Box Wiring Diagram
NOTE When connecting the Hardy HI 215IT Junction Box, you must remove the two factory
installed jumpers 1&2 and 5&6 on the module and install sense lines.