Advantech USB-4761 handleiding
Handleiding
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USB-4761 User Manual 26
3.5 Field Wiring Considerations
• When you use USB-4761 to acquire data from outside, noises in the
environment might significantly affect the accuracy of your measure-
ments if due cautions are not taken. The following measures will be
helpful to reduce possible interference running signal wires between
signal sources and the USB-4761.
• The signal cables must be kept away from strong electromagnetic
sources such as power lines, large electric motors, circuit breakers or
welding machines, since they may cause strong electromagnetic inter-
ference. Keep the analog signal cables away from any video monitor,
since it can significantly affect a data acquisition system.
• If the cable travels through an area with significant electromagnetic
interference, you should adopt individually shielded, twisted-pair wires
as the analog input cable. This type of cable has its signal wires twisted
together and shielded with a metal mesh. The metal mesh should only
be connected to one point at the signal source ground.
• Avoid running the signal cables through any conduit that might have
power lines in it.
• If you have to place your signal cable parallel to a power line that has a
high voltage or high current running through it, try to keep a safe dis-
tance between them. Or place the signal cable in a right angle to the
power line to minimize the undesirable effect.
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Productinformatie
Merk | Advantech |
Model | USB-4761 |
Categorie | Niet gecategoriseerd |
Taal | Nederlands |
Grootte | 2939 MB |
Caratteristiche Prodotto
Breedte | 80 mm |
Diepte | 132 mm |
Hoogte | 32 mm |
Temperatuur bij opslag | -20 - 70 °C |
Relatieve luchtvochtigheid | 5 - 95 procent |