28
Installation Guide
Fig. 6: Load Cell connections
Removing the Rear Panel
Connecting a load cell or configuring jumpers requires the removal of the rear panel.
Before you remove the rear panel, remove the AC or battery power supply from the
scale. Use a 5/16” nut driver to remove all four screws. Do not loosen any watertights
on the back panel that do not require modification.
Replacing the Rear Panel
When replacing the rear panel it is necessary to mount the gasket, all four screws and
the gasket washers. Tighten all four screws to 20 in-lb to achieve proper sealing. It is
normal for the rear panel to dimple slightly when the screws are tightened properly.
Tighten any modified watertight until the cable exiting the watertight can no longer slide
through the watertight – this is usually finger tight. With an open-end wrench, apply a
quarter turn to the watertight for a tight seal.
Load Cell and Power Connections
Load cell connections are made through terminal block “TB1” located at the bottom
center of the main board (see Fig. 6). The power cord connects to terminal block “J1”
adjacent to the transformer (see Fig. 7).
These connections are accessible by removing the rear cover. Connect the load cell
wires by inserting the tip of a flathead screwdriver into the rectangular hole located on
the top of terminal block TB1. Use the screwdriver blade to open the adjacent slot. Insert
the stripped end of a single load cell wire into the round cage opening. Be sure that the
wire insulation is outside the terminal block cage to ensure a proper connection. Once
CAL S1
CalibrationMode
pushbutton
- Sense(Brown)
+ Sense(Blue)
- Excitation(Black)
+ Excitation(Green)
- Signal(White)
+ Signal(Red)
Remove JU7 and JU8 when connecting a 6-wire
load cell. (JU7 and JU8 must be present when
connecting to a 4-wire load cell)
Содержание 2200 Series
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