126 ACF5000 FTIR ANALYZER SYSTEM | OI/ACF5000-EN REV. A
Configuring Modbus connection
Menu path
MENU → Configure → System → Network → Modbus
Function
The analyzer system can, on the one hand, be integrated via the RS232 or the
RS485 interface and, on the other hand, via the Ethernet interface (Modbus
via TCP/IP) in a network with Modbus protocol.
NOTICE
The Modbus menu item is only displayed if the Modbus module is installed in
the analyzer system.
Parameter
The analyzer system supports the Modbus/slave protocol with RTU (Remote
Terminal Unit) mode. The access interval of the Modbus master should be >
500 ms.
The Modbus address can only be set in the range 1 to 255.
As the Modbus type, the interface needs to be selected via which the ana-
lyzer system is connected to the Modbus network (RS232 or RS485).
The standard settings for the data transmission are displayed in the above
image.
The Modbus image allows an overview of the address position of the
Modbus register.
NOTICE
For additional information on "Modbus", refer to the Technical Information
"AO2000 Modbus and AO-MDDE".
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