Measurement-computing WaveBook rev.5.3 Manuel d'utilisateur Page 107
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Noté. / 5. Basé sur avis des utilisateurs
Emissions/Immunity Conditions
The specific immunity conditions for CE compliance vary by product; but general immunity conditions
include:
Cables must be shielded, braid-type with metal-shelled connectors. Input terminal connections are
to be made with shielded wire. The shield should be connected to the chassis ground with the
hardware provided.
The host computer must be properly grounded.
In low-level analog applications some inaccuracy is to be expected when I/O leads are exposed to
RF fields or transients over 3 or 10 V/m as noted on the Declaration of Conformity.
Using Shielded BNC Connectors for CE Compliance
Certain Declarations of Conformity identify specific cables and connectors that must be used to meet CE
requirements. CE compliant BNC-equipped cards and modules have BNC connectors that are insulated
from high voltage sources, including electrostatic discharges (ESD). Such voltages could enter the
circuitry through the exposed conductive surface of a connector, possibly resulting in damage to
components.
O-Ring
Dust Cap
Shielded
BNC Connector
Shielded BNC Connector (with O-Ring) and PVC Dust Cap
To meet CE requirements, PVC dust caps (p/n CN-96) must cover all unused BNC connectors. When dust
caps are not in place, special coaxial cables (with insulated end-connectors and rubber O-rings) must be
used. Note that part number 418-0800 includes two cables (with shielded BNC connectors at each end),
and four insulating O-rings.
Properly installed connectors and dust caps ensure the metallic surfaces of the connectors are not exposed
to undesirable electrical charges.
CE Compliance for WaveBook System Expansion
WaveBooks are CE Compliant at the time they leave the factory. They will remain in compliance
providing that the conditions stated on the WaveBook Declaration of Conformity (p/n 489-0740) continue
to be met.
Prior to making any efforts to expand the system refer to the Declaration of Conformity for each intended
system component. Connecting a non-CE Compliant module or card to your system will make the system
non-compliant. In certain scenarios the use of special shielded cables may be required.
A few general rules of thumb regarding the expansion of CE compliant WaveBook systems are:
Use short cables, e.g. CA-35-12, CA-202.
When possible use shielded cables.
When assembling or disassembling components, take ESD precautions,
including the use of grounded wrist straps.
Ensure that the host computer is CE Compliant.
Ensure that expansion devices are CE Compliant; and review
the most recent Declaration of Conformity for each device.
Ensure all system components are properly grounded.
WaveBook User’s Manual 897895 CE-Compliance & Noise Considerations 6-3
- WaveBook 1
- About WaveBook Documentation 5
- Table of Contents 7
- Chapter 3 – System Examples 7
- Step 1 - Install Software 9
- *324604B-01* 10
- Before you get started 11
- *324605B-01* 12
- What Are WaveBooks? 13
- WaveBook Product Comparison 14
- What Are WBKs? 15
- Minimum Requirements 21
- WaveBook/516E Front Panel 22
- WaveBook/516E Rear Panel 22
- WaveBook/516A 25
- Parallel Port Connections 26
- Ethernet Connections 28
- CAUTION 29
- Install the Software 29
- For DEDICATED Networks 39
- Adding WBK Option Cards 41
- Adding WBK Modules 43
- DIN 5 Power Pinout* 44
- The Daisy-Chain Concept 46
- Scan Synchronization 47
- System Power, Examples 51
- Power Supplies 52
- 14 VDC Mode (default) 53
- 28 VDC Mode 53
- Hardware Setup 53
- Charging 54
- Environmental Concerns 58
- Fuse Replacement 59
- Introduction 61
- Cable Review 62
- WaveBook Fan 71
- Basic Operation 72
- WaveBook/516E Block Diagram 73
- Digital I/O Connections 83
- 8-Bit Mode 84
- Triggers 85
- Multi-Channel Trigger 86
- Trigger Level 88
- Trigger Latency & Jitter 89
- Pulse Trigger 90
- Digital-Pattern Trigger 91
- Note: The Clock Divider 92
- PDF NOTE: 93
- SYNC Notes: 94
- Programmable Features 95
- Selecting a Channel’s Units 96
- (b) for the application in 97
- WaveView_WaveCal.pdf 99
- PostAcquisition Analysis.pdf 99
- ProgrammersManual.pdf 99
- WaveView Out-of-the-Box 100
- Software 100
- Calibration Software 104
- Overview 105
- CE Standards and Directives 105
- Safety Conditions 106
- Shielded 107
- BNC Connector 107
- Dust Cap 107
- Noise Considerations 108
- Product Care 109
- Driver Support 110
- Troubleshooting Tables 111
- Channel readings are wrong 115
- WaveView Scope stops 116
- Ethernet Problems 119
- Parallel Port Problems 122
- – continued 124
- (continued) 124
- Frequently Asked Questions 126
- (5) Topic: ECP and EPP 128
- (6) Topic: Sampling Rates 128
- (7) Topic: Calibration 129
- Customer Support 130
- Specifications 8 131
- (Note 2) 133
- General Information 137
- WaveBook/516E 139
- 9-4 Fuse Replacement 140
- WaveBook User’s Manual 140
- 897495 Appendix A 142
- Before you run a test 147
- 927096 Appendix B 148
- Glossary 151
- 969597 Data Acquisition 152
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