Measurement-computing StrainBook/616 Bedienungsanleitung Seite 97
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Digital I/O, TTL Trigger, and External Clock 8
Introduction …… 8-1
Connections for 16-Bit Mode …… 8-1
Connections for 8-Bit Mode …… 8-2
TTL Trigger …… 8-3
External Clock …… 8-3
Introduction
This brief chapter exists primarily to indicate how Digital I/O connections are made for both the 16-bit and
8-bit Digital I/O modes. WaveView uses the 16-bit mode.
Connections for 16-Bit Mode
For 16-bit mode, the following signals are present on the StrainBook’s DB25F high-speed digital I/O
connector. Note that 8-bit mode is covered in the following section.
o
16 High-Speed Digital I/O Lines (D0 through D15)
o TTL Trigger Input (TTLTRG)
o +15 V (pin 23), -15 V (pin 22), 50 mA max. (each)
o two +5 V (pin 19 and pin 21), 250 mA max. (total)
o External Clock Input (pin 20)
o Digital Clock (pin 18), only used for WBK17 applications
o two Digital Grounds (pins 24 and 25)
To sample 16 digital input signals, connect them directly to the digital I/O data lines as indicated below.
D15 is the most significant bit, and D0 is the least. WaveView is pre-set to use the 16-bit mode.
Digital I/O Connections, 16-Bit Mode
D0 through D15 High Speed Digital I/O data
lines
TTLTRG TTL trigger input
External Clock
Input
16 bit mode, read/write strobe,
Pin 20
+5 VDC 250 mA maximum
+15,-15 VDC 50 mA maximum (each)
Digital Clock Pin 18, only used for WBK17
applications
Digital Grounds Pins 24 and25
DB25 Pinout, 16-Bit Mode
StrainBook/616 977794 Digital I/O, TTL Trigger, and External Clock 8-1
- StrainBook/616 1
- 489-0901 4
- 1086-0926 4
- 489-0902 4
- 1008-0901 4
- Table of Contents 7
- Chapter 7 – Triggers 8
- 967594 ix 9
- 967594 StrainBook/616 10
- Introduction 1 11
- What is StrainBook/616? 11
- 929494 StrainBook/616 12
- What Are WBKs? 13
- Operation Reference 2 15
- Basic Operation 16
- Channel Selection 17
- 967794 StrainBook/616 18
- A/D input source 19
- Triggers 21
- PDF NOTE: 22
- SYNC Notes: 23
- Programmable Features 24
- Operational Tips 24
- CH1 through CH8 27
- Status LEDS 27
- Associated Cables 30
- Software 4 31
- An Introduction to Software 32
- # Item Description 33
- 967594 Software 4-5 35
- 967594 Software 4-7 37
- Sensor Calibration 38
- 967594 Software 4-9 39
- Sensor Configuration Window 41
- Column Description 42
- Column Display Description 43
- (Units) 44
- 2 Point Manual Calibration 45
- 2 Point Auto Calibration 45
- Name Plate Calibration 48
- 967594 Software 4-19 49
- System Requirements 51
- Software Installation 52
- Install the Software 54
- How to make the connection: 57
- For DEDICATED Networks 62
- Bridge Configurations 6 65
- Introduction 65
- Bridge Applications 67
- Removing the Cover Plate 68
- Excitation Connection 69
- Installing a CN-115 70
- Configuration Diagrams 72
- B,D, or F Shunt 73
- CA-177 Strain-Gage Cable 76
- CN-189, DB9 Adapter Option 77
- Purpose of the WBK16/LC 79
- Caveats 82
- Installing a WBK16/LC 83
- Calibration Using WaveView 84
- Installing a CN-115-1 85
- Configuring a CN-115-1 86
- Digital (TTL) Trigger 89
- Triggers 7 89
- Multi-Channel Trigger 90
- Above-Level Trigger 91
- Below-Level Trigger 91
- Rising-Edge Trigger 92
- Falling-Edge Trigger 92
- Trigger Latency & Jitter 93
- Digital-Pattern Trigger 94
- Note: The Clock Divider 95
- 977694 StrainBook/616 96
- Connections for 16-Bit Mode 97
- Connections for 8-Bit Mode 98
- TTL Trigger 99
- External Clock 99
- 977794 StrainBook/616 100
- Overview 101
- CE Standards and Directives 101
- Safety Conditions 102
- Dust Cap 103
- Shielded 103
- BNC Connector 103
- Noise Considerations 104
- System Expansion 10 105
- Channel Expansion 106
- DIN 5 Power Pinout* 107
- CA-242 or 107
- CA-242-7 107
- 3.3 Amp limit 111
- @ 15 VDC * 111
- CA-74-1 (1 ft.) or 112
- CA-74-5 (5 ft.) 112
- CAUTION 113
- Product Care 115
- Driver Support 116
- Troubleshooting Tables 116
- Channel readings are wrong 118
- WaveView Scope stops 119
- Ethernet Problems 122
- WaveView Issues 124
- Frequently Asked Questions 125
- (4) Topic: Sampling Rates 126
- (5) Topic: Calibration 126
- Customer Support 127
- StrainBook/616 12 129
- Expansion Options 131
- Quick Guide 133
- 977194 Appendix A 134
- Before you run a test 139
- 977194 Appendix B 140
- Glossary 143
- 969597 Data Acquisition 144
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