Measurement-computing DBK Part 2 Manual de usuario Pagina 27
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DBK Option Cards and Module 899892 DBK43A & DBK43B, pg. 7
The Kelvin connection using the remote sensing lines performs best when the entire bridge is localized
(no bridge-completion resistors inside the DBK43A or DBK43B) and all leads are contained in a multi-
conductor cable. If individual wire leads are used, the two sense wires should be tightly twisted to form a
pair. Likewise, the two excitation wires and the two bridge-output wires should be twisted together).
The internal excitation source is attached to a voltage regulator in the strain gage module’s circuitry. The
regulator provides the excitation to the actual transducer (there is a separate regulator for each transducer,
hence 8 regulators per strain gage module). Each regulator has a maximum current of 50 mA. The
maximum excitation voltage that can be provided by the module’s excitation regulator is:
V
MAX[EXC]
= 0.05 × R (where R = the resistance in ohms of 1 element in the bridge circuit).
CAUTION
Setting the excitation voltage above the maximum voltage allowed can cause the
DBK43A or DBK43B to fail. The maximum allowable excitation voltage is determined
by the following equation.
V
MAX[EXC]
= 0.05 x R
R is the resistance in ohms of 1 element in the bridge circuit.
The following full-page figure shows various strain-gage configurations.
- *372414B-01* 1
- DBK Cards & Modules 3
- DBK Cards & Modules 5
- Discontinued DBKs 6
- 10-Slot Expansion Module 7
- Card Insertion 9
- DBK41 - Specifications 11
- System Connection 11
- Terminal Block Connection 15
- 967694 DBK42, pg. 5 17
- This means: m = 320 19
- DBK42 – Specifications 20
- Configuration section 22
- Hardware Connection 23
- Hardware Configuration 24
- Bridge Applications 26
- MAX[EXC] 27
- Input Configuration Headers 29
- Shunt-Calibration Resistors 29
- Hardware Adjustment 33
- Software-Controlled Setup 34
- Selecting DBK43A 42
- Calibration Methods 46
- Determine Channel Parameters 47
- Initialize LogView 47
- know [as in the 50
- See Note No 52
- Adjust the Offset 53
- 2-Point Calibration 56
- Repeating the Process 57
- Shunt Calibration 58
- )( trimpotbysetasGainInput 62
- DriftOffsetOutput 62
- DriftOffsetInput + 62
- P1 Connection 66
- 877095 DBK44, pg. 7 69
- DBK44 – Specifications 70
- 987696 DBK45, pg. 3 73
- DBK45 – Specifications 76
- 4-Channel Analog Output Card 77
- DBK46 – Specifications 80
- Description 81
- Safety Concerns 82
- Installing 8B Modules 84
- 967792 DKB48, pg. 11 91
- This means: m = 320 95
- Therefore: b = - 160 95
- Specifications – DBK48 96
- 8B Module Ranges 97
- 967792 DKB48, pg. 19 99
- Overview 101
- Hardware Setup 102
- DAC 1 - INT 103
- Software Setup 104
- Single-Ended Mode 107
- Module Connection 107
- Module Configuration 107
- 989594 DBK55, pg. 1 111
- Input Signal Conditioning 113
- WARNING 113
- CAUTION 114
- Edge Selection 114
- Debouncing 114
- Frequency Measurement 115
- 988793 DBK55, pg. 7 117
- CE Compliance 120
- Specifications - DBK55 122
- 3 – Remove the card drawer 125
- 8 – Configure the DBK cards 127
- 9 – Install the DBK cards 127
- DBK60 - Specifications 128
- DBK65 Power Requirements 130
- DBK65 Voltage Regulation 130
- Customizing a Voltage 132
- Source Resistance in Ohms 134
- These jumpers do 136
- Series Devices 136
- 988793 DBK65 pg. 11 139
- DBK65 Specifications 140
- 988793 DBK65 pg. 13 141
- Vehicle Network Interface 143
- 989494 DBK80 pg. 3 147
- Card Configuration 148
- These jumpers do not 149
- Devices 149
- DBK80 - Specifications 150
- Open Thermocouple Detection 153
- POD-1 Dimensions 155
- TC Accuracy 159
- 989494 DBK84 pg. 7 167
- DBK84 - Specifications 168
- CE Compliance …… 4 169
- Specifications – DBK85 174
- 907492 DBK90 pg. 1 175
- 907492 DBK90 pg. 5 179
- 907492 DBK90 pg. 7 181
- 907492 DBK90 pg. 9 183
- Shielding 184
- TC Common Mode 184
- DBK90 – Specifications 187
- Description Part No 188
- DBK101 Hub Configuration 195
- TC Common Mode 198
- DaqBook/2000 Series Users: 205
- P4-to-P1 / P2 / P3 Adapters 207
- Screw-Terminal Adapter Board 209
- Connection Tips 210
- Using Screw-Terminal Blocks 212
- Using the P3 Header 217
- Connections 222
- P4-to-P1/P2/P3 Adapter Board 223
- 987594 DBK206, pg. 3 225
- 987594 DBK206, pg. 5 227
- 5B Carrier Boards 229
- Warnings, Cautions, and Tips 231
- External Ground Connection 232
- Channel Configuration 233
- 5B Module Connection 233
- DBK208 Relay Carrier Board 237
- DBK208, pg. 4 240
- External Power Watchdog 241
- Operation 241
- Switch Settings 244
- For Digital Output 244
- For Digital Input 244
- DBK208 – Specifications 245
- DBK208, pg. 10 246
- 909094 DBK209, pg. 3 249
- DBK209, pg. 4 250
- 987594 DBK210, pg. 3 253
- 987594 DBK210, pg. 5 255
- DBK210, pg. 6 256
- DBK210, pg. 8 258
- DaqView’s Channel Setup Tab 259
- In the above figure t 259
- DBK210 – Specifications 260
- Installing DBK Cards 263
- System Examples 264
- Example 2: 265
- 969294 DBK213, pg. 7 267
- 969294 DBK213, pg. 9 269
- 969294 DBK213, pg. 11 271
- Specifications for DBK213 272
- 969294 DBK213, pg. 13 273
- DBK213, pg. 14 274
- DBK214, pg. 2 276
- 279
- DBK214, pg. 6 280
- [2 Screws per-side] 280
- 967894 DBK214, pg. 7 281
- 967894 DBK214, pg. 9 283
- 967894 DBK214, pg. 11 285
- 967894 DBK214, pg. 13 287
- Specifications for DBK214 288
- 967894 DBK214, pg. 15 289
- DBK214, pg. 16 290
- DBK215, pg. 2 292
- System Example 294
- 897994 DBK215 pg. 7 297
- 897994 DBK215 pg. 9 299
- DBK215, pg. 12 302
- Specifications for DBK215 303
- DBK215, pg. 14 304
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