Instruction manual –AQ F210 Feeder Protection IED
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5.1.2
M
ODBUS
TCP
AND
M
ODBUS
RTU
The device supports both Modbus TCP and Modbus RTU communication. Modbus TCP
uses the Ethernet connection for communicating with Modbus TCP clients. Modbus RTU is
a serial protocol which can be selected for the available serial ports.
Following Modbus function types are supported:
Read Holding Register, 3
Write Single Register, 6
Write Multiple Registers, 16
Read/Write Multiple Registers, 23
Following data can be accessed using both Modbus TCP and Modbus RTU
Device measurements
Device I/O
Commands
Events
Time
Both Modbus types use the same data mapping. Current data map can be read from the
relay using relay setting tool Aqtivate, in menu Tools->Modbus Map.
Modbus TCP parameters can be found in following table.
Parameter
Range
Description
ModbusTCP enable
[Disabled, Enabled]
Enable setting for Modbus
TCP on Ethernet port.
IP port
[0…65535]
IP port used by Modbus
TCP.
Standard
and
default port is 502.
Modbus RTU parameters can be found in following table.
Parameter
Range
Description
Slave address
[1…247]
Modbus
RTU
slave
address for the unit.