User`s guide

User’s Guide ______________________________________________________________________
18 ___________________________________________________________________M210662EN-A
0401-246
Figure 4 AWS Logger QML201 without Cover
When long signal cables are needed, these will be equipped with
optional surge voltage protection devices. These surge arrestors consist
of a combination of VDR, gas-filled discharge tube, transzorb diodes
and coils, thus providing excellent protection. These DIN rail
mountable devices are easy to change without any special tools.
The following numbers refer to Figure 4 on page 18:
1 = Place for the internal battery
2 = Reset button (under the bracket)
3 = Lithium battery for RTC
4 = Communication module places MOD1 and MOD2
5 = Status LED
6 = SPI connector
7 = Pressure sensor connector
8 = CF Card connector