Wasco EXDUL-392E, User Manual

Page: 3 / 74

3
EXDUL-392E / EXDUL-392S © 2019 by Messcomp Datentechnik GmbH DV01
3
EXDUL-392E / EXDUL-392S © 2019 by Messcomp Datentechnik GmbH EV03
wasco
®
wasco
®
Table of Contents Inhaltsverzeichnis
1. Introduction .......................................................................................5
2. Connection Terminals ......................................................................6
2.1 Terminal Assignments of CN1 ...............................................................................6
3. System Components ........................................................................7
3.1 Block Diagram EXDUL-392E .................................................................................7
3.2 Block Diagram EXDUL-392S .................................................................................8
3.3 A/D Inputs Voltage .................................................................................................9
3.4 A/D Inputs Current .................................................................................................9
3.5 Optocoupler Input ..................................................................................................9
3.6 Digital Output Optocoupler Isolated .....................................................................10
3.7 Counter ................................................................................................................10
3.8 Temperature Measuring Units .............................................................................10
3.9 LCD Display (EXDUL-392E only) ........................................................................10
4. Commissioning .............................................................................. 11
4.1 Connecting to a USB Port .................................................................................. 11
4.2 Power Supply via USB Port .................................................................................11
4.3 External Power Supply ........................................................................................ 11
4.4 LCD Display during Commissioning (EXDUL-392E only) ................................... 11
4.5 LCD display during operating (EXDUL-392E only) ..............................................12
5. A/D Inputs Measuring Current or Voltage ....................................13
5.1 Voltage Measurement ..........................................................................................13
5.2 Current Measurement ..........................................................................................18
5.3 Modes of Measurements .....................................................................................19
6. 3 Temperature Measurement Units PT100 ...................................21
6.1 Circuitry ...............................................................................................................21
6.2 Measurement Options .........................................................................................22
6.3 Error Detection ....................................................................................................22
7. One Optocoupler Input ..................................................................24
7.1 Pin assignment of the input optocoupler .............................................................24
7.2 Input Circuitry ......................................................................................................25
7.3 Input Current ........................................................................................................25