Manual Corrigo E Ventilation, revision M
Chapter 16
Configuration
89
16.26 Communication
16.26.1 Modbus communication
Corrigo E can be connected to a network for Modbus communication. You do not need an
activation code.
Modbus slave com-
munication, Port 1
Not Active
If Modbus communication is activated, you can set the address etc.
Modbus Address: 1
Speed: 9600 bps
Two stop bits:Yes
Parity:No
16.26.2 Function port 2
Units connected to port 2 can be set to Slave, Master, Expansion unit or Modbus master. A 2-port
Corrigo is required. Port two is used for communication with the expansion units.
Slave
For connection to E tool.
Function Port 2
Slave
Master
For future use.
Function Port 2
Master
Modbus master
For control of up to two Vacon NXL frequency converters using Modbus communication.
Miscellaneous alarms and indications can be read from the frequency converters. For a complete list
of alarms, see the alarm list. For communication addresses, see the Corrigo variable list.
The Corrigo modbus settings are listed below. They cannot be changed and must also be set in the
Vacon NXL frequency converters.
Modbus address:
Supply air fan = 1
Extract air fan = 2
Speed: 9600 bps
1 stop bit
No parity
Type of frequency
converter connected
via Modbus:
Vacon NXL
