Ingeteam INGECON EMS Manager Installation And Operation Manual page 30

Ingeteam
RS-485
The RS-485 connection is for use by the wattmeter. This is necessary for constant control of the installation´s
power flow (the cable for this connection is not supplied with the INGECON EMS Manager). Connect the
INGECON EMS Manager and the wattmeter as indicated in the following figures.
4 3 2
The INGECON EMS Manager incorporates a jumper that enables the connection of the end of line resistor in the
RS-485 bus. This must be closed.
See "Appendix 1: Wattmeter" of this manual for wattmeter connection and configuration in the
installation.
Consult the accessories manual for communication via RS-485 for more information on the RS-485
wiring.
RS-485 communications between the INGECON EMS Manager and the wattmeter
30
1
Description of RS-485 communications in the INGECON EMS Manager
Pin Signal
1 RS-485 B (+)
2 RS-485 A (-)
3 Protection shield
4 GND
AAX2022IQM01_ - Installation and Operation Manual
Unit description