APPX
Appendix 13 How to Use CPU Module Logging Configuration Tool
947
A
■Connection through an Ethernet port
• Connection via a hub
Connect the CPU module via a hub to a personal computer on the same local network.
*1
Note that IP address of the CPU
module must be specified. Also the personal computer should have the same network address as the CPU module.
*1 If the CPU module is RnENCPU, use the RnENCPU (CPU part) Ethernet port to connect. Connection is not possible from the
RnENCPU (network part) Ethernet port.
Only local area network can be used for connections. Connections via the Internet are not allowed.
• Direct connection
One-to-one direct connection with an Ethernet crossing cable is possible. This method requires no hub.
*2
Note that IP
address of the CPU module is not required to be specified with this method. (broadcast address is used for this
communication).
*2 If the CPU module is RnENCPU, use the RnENCPU (CPU part) Ethernet port to connect. Connection is not possible from the
RnENCPU (network part) Ethernet port.
■Precautions about Ethernet connection
• Do not directly connect to a personal computer via LAN line. Load imposed on the LAN line adversely affects
communications by other devices.
• Do not configure the direct connection setting when using one-to-one connection via a hub between the CPU module and a
personal computer.
• If the following conditions are met, the direct connection communication may be disabled. If the communication is disabled,
review the settings of the CPU module and personal computer.
When all the bits of the CPU module-side IP address that correspond to 0 part of the personal computer-side subnet mask are
on or off:
CPU module-side IP address: 64.64.255.255
Personal computer-side IP address: 64.64.1.1
Personal computer-side subnet mask: 255.255.0.0
When all the bits of the CPU module-side IP address that correspond to the host address of each class of the personal
computer-side IP address are on or off
*1*2
:
CPU module-side IP address: 64.64.255.255
Personal computer-side IP address: 192.168.0.1
Personal computer-side subnet mask: 255.255.0.0
*1 The IP address for each class is as follows:
Class A: 0.x.x.x to 127.x.x.x
Class B: 128.x.x.x to 191.x.x.x
Class C: 192.x.x.x to 223.x.x.x
*2 The host address for each class is 0 part in the following addresses:
Class A: 255.0.0.0
Class B: 255.255.0.0
Class C: 255.255.255.0
When the CPU module-side IP address is obtained through DHCP:
• Disable Windows firewall setting, if enabled.
• Do not set direct connection method in a configuration in which more than one IP address is enabled simultaneously as
described in the following list.
■Connection to the Process CPU (redundant mode)
When the Process CPU (redundant mode) is connected, select "Connect to RnPCPU (Redundant Mode)" and select a target
system for "Transfer Setup System".
• An IP address is assigned to each Ethernet port (network device) of the personal computer with more than one port.
• Wireless LAN setting is enabled as well as the Ethernet port on the personal computer.
• More than one IP address is assigned to a single Ethernet port of the personal computer.
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