Introduction The 2100HE Weigh Module Kit provides an extremely accurate method for weighing medium and large capacity tanks and hoppers that are subject to harsh, hostile environments. The design uses a double-ended shear beam load cell (700Ω bridge) and transmits the load with a sliding pin on the load bearing groove of the cell.
Mechanical Installation General Installation Guidelines for Tank Mounts 1. The mounting surface for the base and top plate must be level. After installation, the top and bottom plates must be level within ±0.5°. If the mounting surfaces are not level, then shims and/or grout may be used to level the mount. If possible, check that the mount is level when the vessel is fully loaded because excessive deflections in legs and supporting structures may cause additional side forces which greatly affect accuracy.
Installing the 2100HE Top plate Load pin Load cell bolt Load cell Bushing Retaining plate Base plate Retaining bolt 1. The type of installation and strength of the mounting surface governs the method of locating, attaching, and assembling the 2100HE module. Carefully consider three areas that commonly cause accuracy problems: •...
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Assemble the mounts by inserting the LOAD PIN into the TOP PLATE. The RETAINING BOLTS are passed through the RETAINING PLATE and BUSHINGS and threaded into the TOP PLATE. Insert the LOAD CELL into this assembly so that the load pin sits in the groove at the center of the cell and tighten bolts to approximately 50ft.lb.
Load Cell Wiring 1. Route the load cell cables so they will not be damaged or cut. Cable should not be routed near heat sources greater than 400° F. Do not shorten any load cell cable. The load cell is temperature compensated with the supplied length of cable.
Junction Box Connections, Adjustments & Calibration 1. Refer to the Junction Box manual for trimming details. 2. Refer to the indicator manual or the “Technical Information” section in the Rice Lake Weighing Systems’ Load Cell Product Selection Guide for system calibration details.
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If the problem still is not found: Check possible indicator malfunction by using a load cell simulator to input a known good signal into the indicator. Disconnect each load cell’s signal leads at the junction box and check individual load cell outputs with a multimeter. Then check input/output impedances for comparison with load cell manufacturer’s specifications.
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