Eaton easyControl EC4-200, User Manual

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12 Connection setup PC – EC4-200
The communication parameters of both the PC and the PLC must
match in order to establish a connection between them. The
default parameters are set as shown in figure 73 on devices that
are used for the first time. Just select the COM... interface on the
PC. No other settings are required.
The CPU parameters can then be defined again (
a
figure 74).
always making sure that you have the same settings on the PC.
The connection between the PC and the programming interface of
the PLC can be established via:
• the RS232 interface
• the Ethernet interface (with type EC4P-222-... also in addition
to RS232)
Connection setup via RS232
First adjust the PC’s communication parameters to the standard
parameters of the PLC
a
section “Defining/changing the PC’s
communication settings”.
The RS232 interface of the PLC (COM1) has the following standard
parameters:
Defining/changing the PC’s communication settings
You can use the COM1 to COMx interfaces of the PC.
In the programming software define the communication
parameters of the interface.
X
In the Online menu, select Communication
l
Parameters.
X
Specify the port (COM1 or COM2,
a
section “Changing
settings”
X
Use the remaining settings as shown in figure 73.
X
Confirm the settings with OK.
X
Log on to the PLC.
Changing settings
Proceed as follows in order to change parameters such as baud
rate or port:
X
Double-click the value, such as 38400.
The field is highlighted in grey.
X
Enter the desired value.
Double-click this field once more to choose the Baud rate, e.g.
57600 Bit/s.
h
An error message means that the default CPU settings
have been changed beforehand. In this case, try all other
baud rates or set the factory settings.
Baud rate 38400 Bit/s
Parity No
Stop bits 1
Motorola Byte No
Figure 73: Defining the PC’s communication settings