Sauter flexotron®800
ventilation
Configuration
P100012082
100
16.27 Communication
16.27.1 Modbus communication
The flexotron®800 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 communication takes place using 1 stop bit.
Modbus Address: 1
Speed: 9600 bps
Two stop bits:Yes
Parity:No
Only one stop bit can be used.
16.27.2 Function port 2
Units connected to port two (Devices available on request) can be set to "Slave",
"Master", "Expansion unit", "Modbus master" or
’’Both Expansion unit and Modbus
master
’’. A 2-port controller is required. Port two is then used for communication with
the expansion units or frequency converters.
Slave
For connection to CASE flexotron®.
Function Port 2
Slave
Master
For future use.
Function Port 2
Master
Modbus master
For control of up to two Vacon NXL/Lenze SMV/Omron V1000/Emerson Commander
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 flexotron®800 variable list.
The flexotron®800 Modbus settings are listed below. They are not adjustable and must
also be set in the Vacon NXL/Lenze SMV/Omron V1000/Emerson Commander
frequency converters.
Modbus address: Supply air fan = 1, Extract air fan = 2
Speed: 9600 bps, 1 stop bit, no parity
For additional settings for every model, see appendix 1 at the end of this document.
