UMG 103-CBM www.janitza.com
20
B
A
C
4. Structure of the device
4.1 Front panel and controls
Item Function/Designation
1 QR code to the download area of the Janitza homepage
2
“Hazard symbol” – General warning symbol.
Be certain to observe the warning notices applied to the device and shown in the usage information
in order to avoid possible injury or even death.
3
“Electrical hazard symbol” – General warning symbol.
Be certain to observe the warning notices applied to the device and shown in the usage information
in order to avoid possible injury or even death.
4 Voltage measurement inputs VL1, VL2, VL3, VN
5 Current measurement inputs IL1, IL2, IL3
6 RS-485 interface
7 Coding switches for configuring the device addresses from 01 to 99
8 H2 red LED (for display patterns, see table on the following page)
9 H1 green LED (for display patterns, see table on the following page)
Tab.: Front panel - controls
5
3
4
2
1
6
7
8
9