User`s guide

User’s Guide ______________________________________________________________________
24 ___________________________________________________________________M210662EN-A
Digital I/O Module
0312-025
Figure 8 Digital I/O Module QMI108
The QML201 logger provides the possibility to extend the I/O capacity
of MAWS with the optional Digital I/O Module QMI108 equipped with
eight inputs and eight outputs. Digital I/O Module QMI108 interfaces
to the logger via the SPI connector. The module is located inside the
enclosure beside the logger, and it conforms to the same environmental
immunity and emission standards than the logger.
The module has eight open collector outputs with 30 VDC / 1 A
continuous drive capability and the LED indicators. The eight inputs of
the module tolerate voltages from 0 to 25 VDC (the absolute maximum
30 VDC), and they have 40 ms (typical) contact debouncing
circuitry.The module allows connection of slow pulse inputs, for
example, with tipping bucket rain gauges.
NOTE
The QMU101 module measures only analog measurements.
NOTE
The QMU101 module can only be connected to the QML201 logger.
The type of the logger can be checked with the VER command. In
MAWS Lizard Setup Software the QMU101 module is supported
from MAWS software version 4.02 onwards.