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IMPORTANT INFORMATION
All information in this guide is valid for GARO GNM3T-RS485
(GARO art nr 108740)
Programming of GARO MID-certified energymeter GNM3T-RS485
consists of two parts.
Part 1: System samt CT och UT Ratio settings.
This part is only done once, at the start-up time and the settings
can then not be changed.
Part 2: Modbus settings
These settings can be changed as needed.
MODBUS CONNECTION
Install the DLM meter in the mains cabinet you want to monitor.
Use shielded twisted pair cable between the DLM meter and the
wallbox
Suitable cables:
CAT5 FTP, CAT5e FTP, CAT6 FTP, ELAKY-S, ELAQBY-S or similar.
DLM Meter
10 T
Shielded Twisted Pair
12 A-
11 B+
13 GND
NOTE! JUMPER 10-12
Warnings
GLB
DLM Meter
A-
E-Meter
B+
13 GND
PE
NOTE! JUMPER 10-12
Make sure the electrical power is off before start of
installation process.
All electrical installation must be performed by an
auhorized electrician.
10 T
Shielded Twisted Pair
12 A-
11 B+
EN
TWIN
A- 200
B+ 201
PE
3
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