APCI-3701
Definition of application
5
7
SOFTWARE ................................................................26
7.1
Board registration ................................................................. 27
7.1.1
Installation of a new board.......................................................... 27
ADDevice Manager..................................................................... 28
7.1.2
Changing the registration of a board.......................................... 29
Description of the ADDIREG program .......................................... 29
7.2
Questions and software downloads on the web................... 32
8
CONNECTING THE PERIPHERAL..................................33
8.1
Connector pin assignment.................................................... 33
8.1.1
50-pin SUB-D male front connector ST1 ....................................... 33
8.1.2
40-pin male connector ST3 ......................................................... 34
8.2
Connection of inductive transducers.................................... 35
8.2.1
Connection of half-bridge transducers ....................................... 35
8.2.2
Connection of LVDT transducers (Series-opposed) ...................... 35
8.2.3
Connection of Mahr transducers................................................. 36
8.3
Connection of the digital inputs and outputs ....................... 37
8.4
Connection to screw terminal panels/boxes ........................ 38
9
FUNCTIONS OF THE BOARD .......................................39
9.1
Block diagram....................................................................... 39
9.2
Acquisition principle ............................................................. 39
9.2.1
Board calibration......................................................................... 40
9.2.2
Board settings .............................................................................. 40
9.3
Primary circuit....................................................................... 41
9.3.1
Sinus generator............................................................................ 41
Synchronising............................................................................... 41
9.3.2
Power buffer ................................................................................ 41
9.4
Secondary circuit .................................................................. 42
9.4.1
Measurement of the supply signal .............................................. 42
9.4.2
A/D converter............................................................................... 42
9.5
Transducer principle ............................................................. 43
9.5.1
Half-bridge transducer................................................................. 43
9.5.2
LVDT transducer (Series-opposed) ............................................... 44
9.5.3
Settings of the transducer ............................................................ 44
9.6
Possible acquisitions ............................................................ 45
Delay ........................................................................................... 45
9.7
Diagnostic ............................................................................. 47
9.7.1
Short circuit .................................................................................. 47
9.7.2
Line break.................................................................................... 47
9.8
Interrupt................................................................................. 47
9.9
Timer...................................................................................... 47
