FRO­NIUS DRM User manual

Fronius DRM Interface - Installation
Incorrect operation and work performed incorrectly can cause serious injury and damage
to property.
Only qualified staff are authorized to do installation work in the inverter and only within the
scope of the respective technical regulations.
Do not carry out any installation or maintenance work until you have read the "Safety"
chapter in the installation manual of your inverter.
For further details see the installation manual of your inverter.
In order to control an inverter via Demand Response Modes (DRM) according to AS4777.2:2020, the
Fronius DRM Interface must be installed in the inverter.
1 1
1 1
2x TX25
1
2
1
2
3
2
TX20
*
4
TX20
9 mm
+
1
*
3
1
4
42,0410,2292 002- 30112021 Fronius International GmbH, http://www.fronius.com

1 1
Connection Diagram
1/5 = DRM1/5 | 2/6 = DRM2/6 | 3/7 = DRM3/7 | 4/8 = DRM4/8 | RG/0 = REF GEN/0 | CL/0 = COM LOAD/0
IMPORTANT! When a Fronius DRM Interface is installed in the inverter, do not
connect any external voltage to the 12V+ and GND pins of the Datamanager!
For more details regarding connection and adjustment see the Datamanager manual.
http://www.fronius.com/QR-link/4204260191EA
2
**
R
G
/
O
C
L
/
O
TX20 - 13 mm - red
**
1
5
R
G
/
O
C
L
/
O
2
1
***
*** Sticker coming with the Fronius DRM Interface
6
I5 IO3 IO1 GND GND D-
I4 IO2 12
V+ 12 V+ IO0 D+
R
G
/
0
C
L
/
0
DRM1/5
DRM2/6
DRM3/7
DRM4/8
REF GEN/0
COM LOAD/0
IO2
GND
IO3
Fronius DRM Interface
I9
4/8
I7
2/6
3/7
I8
1/5
I6
I5 IO3 IO1 GND GND D-
I4 IO2 12V+12V+IO0 D+
... NO EXTERNAL VOLTAGE
I9
4/8
I7
2/6
3/7
I8
1/5
I6