Checking communication state of Connecting to
(1)When using the Command Prompt of Windows®. Execute a Ping command at the Command Prompt of Windows®.
(a)When normal communication C:\>Ping 192.168.0.1
Reply from 192.168.0.1: bytes=32 time <10ms TTL=32
(b)When abnormal communication C:\>Ping 192.168.0.1 Request timed out.
(2)When abnormal communication
At abnormal communication, check the followings and execute the Ping command again.
• Cable connecting condition
• Confirmation of switch and network parameter setting
• Operation state of PLC CPU (faulty or not)
• The IP address of
POINT
Ethernet diagnostics of GX Developer
Ethernet diagnostics of GX Developer is available to a Ping test from the PLC.
For details of Ethernet diagnostics of GX Developer, refer to the following manual.
QCPU User's Manual (Hardware Design, Maintenance and Inspection)
This section describes the settings of the GOT and Ethernet module (Q Series) in the following case of the system configuration.
POINT
Ethernet module (Q/L Series)
For details of the Ethernet module (Q/L Series), refer to the following manual.
Q Corresponding Ethernet Interface Module User's Manual (Basic)
System configuration (for Q series)
■ [Controller Setting] and [Ethernet] of GT
<GOT> (The settings other than the following are set to the default)
Network No. | : 1 |
PLC No. | : 1 |
IP address | : 192.168.0.18 |
Port No. | : 5001 |
Communication format : UDP (fixed)
*1
<Ethernet module> (The settings other than the 
following are set to the default)
Network No. | : 1 |
PLC No. | : 2 |
IP address | : 192.168.0.19 |
Port No. | : 5001 |
Communication format | : UDP(fixed) |
■ [Network parameter] of GX Developer
*1 The Ethernet module is mounted on the base unit slot 0. The Start I/O No. of the Ethernet module is set to "0".
POINT
When connecting to Q170MCPU
When connected to Q170MCPU, the start I/O No. of the Ethernet module is set to "70".
8 - 24 | 8. ETHERNET CONNECTION |
| 8.4 PLC Side Setting |