Connection of communications
8.4. Communication connection for port COM2
Communication via RS-485 is configured by default to be a Modbus slave with a device address equal to 01. This
address can be changed.
For the communication to be with a wattmeter, the wattmeter model to be connected must be configured. See
document ACL2010IMB02 - List of approved power meter for Ingecon Sun 10TL M2 - 15TL M2 - 20TL M2.
CAUTION
If not using the RS-485 connection, the COM2 cover must remain closed.
8.4.1. Cabling requirements
The wiring specifications for the RS-485 connection are specified in the following table:
Wiring gage
Cable diameter
Wiring stripping length (L*)
L*
8.4.2. Connection process
1.
Remove the protective cover from COM2.
ACL2012IQM01_A - Installation and Operation Manual
10TL M2
15TL M2
0.25 mm
~ 1.5 mm
2
5 ~ 9 mm
8 millimeters
Ingeteam
20TL M2
2
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