E20-10 User Manual
Contents
1. What this document is about................................................................................................................ 6
1.1. On revisions А, Band В.01 of moduleE20-10........................................................................... 6
1.2. Designation system....................................................................................................................... 7
1.3. Design versions............................................................................................................................. 7
1.4. How to read this manual?............................................................................................................. 8
2. Primary application properties............................................................................................................. 9
2.1. Complete list of user differences of revisions А, В and B.01 for E20-10 module ................11
3. General description............................................................................................................................. 14
3.1. Device application...................................................................................................................... 14
3.2. Appearance ................................................................................................................................. 14
3.3. Module configuration................................................................................................................. 16
3.3.1. Standard supply package................................................................................................... 16
3.3.2. Design versions.................................................................................................................. 16
3.3.3. Software delivery............................................................................................................... 17
3.3.3.1. Operational software...................................................................................................... 17
3.3.3.2. Library Lusbapi.............................................................................................................. 17
3.3.3.3. LComp library................................................................................................................ 17
3.3.3.4. Optional software........................................................................................................... 18
3.3.4. FPGA firmware versions................................................................................................... 18
4. Installation and customization ........................................................................................................... 20
4.1. Module connecting to computer................................................................................................ 20
4.2. USB drivers installation............................................................................................................. 20
4.2.1. USB drivers installation from Lusbapi............................................................................. 20
4.2.2. USB drivers installation from LComp.............................................................................. 20
4.3. Recognition of the module......................................................................................................... 21
4.4. Differences in USB driver of Lusbapi library .......................................................................... 22
5. Overview of the hardware components and operation principles ................................................... 25
5.1. Block diagram............................................................................................................................. 25
5.2. E20-10 operating principle. ....................................................................................................... 28
5.2.1. Channel sampling principle............................................................................................... 29
5.2.2. Synchronization in E20-10................................................................................................ 30
5.2.2.1. Synchronization modes.................................................................................................. 32
5.2.3. Data format of E20-10....................................................................................................... 37
5.2.3.1. Coding of word size overloading sign E20-10 or revision А .....................................37
5.2.3.2. Coding of data continuous area start in E20-10 of revision B....................................37
5.2.4. FIFO buffer and its overloading elimination logic ..........................................................38
5.2.5. Readings adjustment (calibration) .................................................................................... 38
5.2.6. ADC word size overflow warning.................................................................................... 38
5.2.7. DAC optional ..................................................................................................................... 39
6. Connection of signals......................................................................................................................... 40
6.1. General Information................................................................................................................... 40
6.2. External connectors.................................................................................................................... 40
6.3. Analog signal connectors............................................................................................................. 1
6.3.1. Digital signal and external power connectors .................................................................. 43
6.4. Characteristics of signal line inputs and outputs...................................................................... 45
6.4.1. Operating mode.................................................................................................................. 45
6.4.2. Power-off mode.................................................................................................................. 46
