Advantech PCI-1752U handleiding
Handleiding
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21 PCI-1752U/ PCI-1752USO User Manual
Chapter 3 Signal Connections
3.4 Field Wiring Considerations
When you use PCI-1752U/ PCI-1752USO cards to acquire data from outside, noises
in the environment might significantly affect the accuracy of your measurements if
due cautions are not taken. The following measures will be helpful to reduce possible
interference running signal wires between signal sources and the PCI-1752U/ PCI-
1752USO card.
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 interference. Keep the analog sig-
nal 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 sig-
nal 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 distance between
them. Alternatively, you can place the signal cable at a right angle to the power
line to minimize the undesirable effect.
The signals transmitted on the cable will be directly affected by the quality of the
cable. In order to ensure better signal quality, we recommend that you use the
PCL-10250 or PCL-101100M shielded cable.
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Productinformatie
| Merk | Advantech |
| Model | PCI-1752U |
| Categorie | Niet gecategoriseerd |
| Taal | Nederlands |
| Grootte | 4603 MB |
