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8. ETHERNET CONNECTION
8.4 PLC Side Setting
(2) Example of sequence program
POINTPOINTPOINT
When changing the sequence program
After writing the sequence program to the PLC CPU, operate the PLC CPU ether turning OFF and then ON or resetting.
IP address of Ethernet
module(192.168.0.19)
Initial request
COM. ERR turned off request
Clear the initial fault code.
Set to the permit of
communication while stopping
the PLC CPU.
Communication
format(UDP/IP)
Port No. of Ethernet
module(5001)
IP address of GOT
(When GOT is used, FFFFFFFF
H)
Port No. of GOT
(When GOT is used, FFFF
H)
Read the initial fault code.
Request to open
Normal
completed
initial
No. 1
open
completed
Initial request
COM.
ERR
turned off
command
Initial
fault
detection
WDT ERR
detection
Turned on
at first scan
only while
running
WDT
ERR
detection
* Initial processing
* Opening processing of communication line