General Measure Tuxon-A, Руководство пользователя

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2.3.2 4-wired Connection
1. The signals from the load cells are low voltage analog signals, which are
easily affected by electro-noise, so the cables connecting load cells to
indicator should use shielded cables, and not bind with other cables,
especially power supply cables.
2. For the application of short-transporting-distance and lower precision, 4-wired
connection can be used; otherwise, 6-wired should be used.
3. Make sure EX+ bridges with SN+ and EX- bridges with SN- when 4-wire
connection is used.
4. For the application of multi-load cell in parallel connection, the sensitivity of each
load cell (mV/V) must be same.