16
TROUBLESHOOTING
16.2 Troubleshooting
16.2.18 When unable to make an FTP connection
16 - 32
9
DEVICE DESCRIPTION
10
MULTIPLE CPU SYSTEM
OVERVIEW
11
MULTIPLE CPU SYSTEM
CONFIGURATION
12
CONCEPT OF MULTIPLE
CPU SYSTEM
13
COMMUNICATIONS
BETWEEN CPU
MODULES
14
PARAMETERS ADDED
FOR MULTIPLE CPU
SYSTEMS
15
STARTING A MULTIPLE
CPU SYSTEM
16
TROUBLESHOOTING
16.2.18 When unable to make an FTP connection
The following flowchart shows the procedures to be taken when an FTP connection cannot
be made to the C Controller module from the development environment (personal
computer).
* 1 For Windows
®
Firewall settings, refer to the following.
C Controller Module User's Manual (Utility Operation, Programming)
Figure 16.21 When unable to make an FTP connection
Q12DCCPU-V
Q06CCPU-V-B
Yes
Error occurred
End
Check if the target C Controller
module is operating.
Check for Ethernet cable connection.
Check if the Ethernet cable is
connected to the correct interface
(CH1 or CH2).
(For Q12DCCPU-V only)
Connected?
No
Yes
Connected?
No
Check that Windows Firewall
is disabled.
*1
Issue a PING command from the
development environment (personal
computer) to the C Controller module
to confirm the presence.
Yes
Connected?
No
Check if the network setting
(Microsoft Windows setting) of the
development environment (personal
computer) is correct.
Check the login user name and
password are correct.
1
R
R R