User manual

IEC61131 User and Reference Manual
April 22, 2008
105
Controller Type
Valid Protocols
Default Protocol
DF1 Half Duplex CRC
DNP
The Addressing drop down menu selects the addressing mode for the selected protocol.
The control is disabled if the protocol does not support it. Valid addressing modes depend on
the selected protocol as shown in the following table.
Protocol
Valid Mode
Default Mode
Modbus RTU
Modbus ASCII
Standard
Extended
Standard
DF1 Full Duplex BCC
DF1 Full Duplex CRC
DF1 Half Duplex BCC
DF1 Half Duplex CRC
Control is disabled
N/A
DNP
Control is disabled
N/A
PPP
Control is disabled
N/A
None
Control is disabled
N/A
The Station entry sets the station address for the selected controller serial port. Valid
addresses depend on the protocol and addressing mode selected, as shown in the table
below.
Protocol
Valid Addresses
Default Address
Modbus RTU
Modbus ASCII
Standard addressing:
1 to 255
Extended addressing:
1 to 65534
1
DF1 Full Duplex BCC
DF1 Full Duplex CRC
DF1 Half Duplex BCC
DF1 Half Duplex CRC
0 to 254
N/A
DNP
Control is disabled
N/A
PPP
Control is disabled
N/A
None
Control is disabled
N/A
The Duplex drop down menu selects full or half-duplex operation for the selected Port. Valid
and default duplex settings depend on the serial port and controller type, as shown in the
table below. Note that the duplex is forced to Half if a SCADASense multivariable transmitter
is configured on the port.
Controller Type
com1
com2
com3
com4
Valid
Def.
Valid
Def.
Valid
Def.
Valid
Def.
Micro16
Full
Half
Full
Full
Half
Full
SCADAPack
Full
Half
Full
Full
Half
Full
Half
Half
SCADAPack Plus
Full
Half
Full
Full
Half
Full
Half
Half
Half
Half