Burster 8524, Руководство по эксплуатации

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Cable
1. Install the cable so that it does not vibrate.
2. For a standard sensor, do not shorten the cable between the sensor and the
standardization board.
3. Ensure sufficiently large bending radiuses for the cable.
5.3 Electrical system, evaluation instrumentation
The output signal from the model 8524 tension and compression load cell, with an excitation voltage of
10 V, is 15 mV max. Therefore for a measurement accuracy of 0.15% you will need a resolution of
approx. 10 µV or better. Interference affects the model 8524 tension and compression load cell, cables
and measurement electronics accordingly.
The following points apply to the sensor’s electrical connection:
NOTICE
•
Position the model 8524 tension and compression load cell outside the
electromagnet field of high-energy equipment. This includes transformers, motors,
contactors, frequency converters and so forth. Otherwise the electromagnetic fields
from such equipment will act with their full effect on the measuring chain, causing
incorrect measurements.
• Route the measuring leads separately from power cables.
•
If the measuring leads are laid parallel to power cables, the latter will cause
inductive and capacitive interference.
Note: You can place an extra screen over the measuring cable for additional protection, or run it
through a metal tube or pipe.
5.3.1 Connector pin assignment
The model 8524 tension and compression load cell is supplied with an open cable end. The model 8524
tension and compression load cell is optionally fitted with connectors for burster display and calibration
equipment.
Note: For optionally supplied display and calibration devices, please follow the operating instructions
for the device to ensure compatibility.
NOTICE
• Relieve the bending stress exerted by the connecting cable on the cable sleeve, at
the sensor housing.
•
Avoid pulsating or alternating loads on the cable sleeve.
• Avoid vibrating the cables so that the cable sheath is not damaged.
•
Protect the cables from strain.
• Protect the model 8524 tension and compression load cell from vapors and liquids.
•
For a standard sensor, do not shorten the cable between the sensor and the
standardization board.