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APPX
Appendix 4 Buffer Memory
Output signals
■Output signals (Un\G36)
These signals are used for controlling the FX5-ENET.
IP address setting
■IP address setting (Un\G50 to Un\G51)
Stores IP address to be set when using IP address change function.
Stores 0 when writing to IP address storage area is completed normally.
When IP address is 192.168.3.250: Un\G50 = K003250, Un\G51 = K192168
Subnet mask pattern setting
■Subnet mask pattern setting (Un\G52 to Un\G53)
Stores subnet mask pattern to be set when using IP address change function.
Stores 0 when writing to IP address storage area is completed normally.
When subnet mask pattern is 255.255.255.0: Un\G52 = K255000, Un\G53 = K255255
Default router IP address setting
■Default router IP address setting (Un\G54 to Un\G55)
Stores default router IP address to be set when using IP address change function.
Stores 0 when writing to IP address storage area is completed normally.
When default router IP address is 192.168.3.255: Un\G54 = K003255, Un\G55 = K192168
Address bit Signal name Description
Un\G36 b15 Module error clear request Requests to clear the error that has occurred in FX5-ENET. To request to clear the module
error, turn off, on and off the signal.
Issuing the request after the cause of the error is removed will clear the followings.
• 'Module error status' (Un\G34.b15) is turned on and on.
• The ERROR LED is turned off.
• The following buffer memory
- 'Latest error code' (Un\G29)
- 'IP address storage area write error code' (Un\G61)
- 'IP address storage area clear error code' (Un\G62)
- 'Error code' (Un\G108 to Un\G139)
- 'Same IP address state storage area' (Un\G201)
- 'MAC address of the already connected station' (Un\G202 to Un\G204)
- 'MAC address of the station connected later' (Un\G205 to Un\G207)
Address Description
Un\G50 3rd octet, 4th octet
Un\G51 1st octet, 2nd octet
Address Description
Un\G52 3rd octet, 4th octet
Un\G53 1st octet, 2nd octet
Address Description
Un\G54 3rd octet, 4th octet
Un\G55 1st octet, 2nd octet
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