Mitsubishi Electric MELSEC iQ-F Series User Manual page 164

■DNS setting storage area clear status (Un\G4401)
This area stores the DNS setting clear request result.
DNS setting storage area clear completed (Un\G4401.b0)
The status will be 1 (Completed) when clearing of the DNS setting storage area completes or fails.
The status will be 0 (Not completed) when 'DNS setting storage area clear request' (Un\G4400) is changed from 1 to 0.
• 0: Not completed
• 1: Completed
DNS setting storage area clear error (Un\G4401.b1)
The status will be 1 (Error) when clearing of the DNS setting storage area fails.
The status will be 0 (Normal) when 'DNS setting storage area clear request' (Un\G4400) is changed from 1 to 0.
• 0: Normal
• 1: Error
■DNS setting change function enable flag (Un\G4402)
This area stores whether an engineering tool or external flash ROM is used for the DNS settings.
• 0: Setting values from an engineering tool
• 1: Setting values registered to a flash ROM by using the buffer memory
■DNS setting storage area write error code (Un\G4403)
If a DNS setting write request is completed with an error, the error code is stored.
• 0: Normal
• Other than 0: Error code
■DNS setting storage area clear error code (Un\G4404)
If a DNS setting clear request is completed with an error, the error code is stored.
• 0: Normal
• Other than 0: Error code
Area for simple CPU communication
■Area for simple CPU communication (Un\G6400 to Un\G8447)
Usable as a device that can be specified for the own station in the simple CPU communication. (Word device in units of 1
point)
Function to change MQTT connection settings
■MQTT connection setting storage area write request (Un\G108801)
The MQTT connection settings are saved and reflected.
• 0: Not executed
• 1: Execute
• 2: Execute (no password change)
■MQTT connection setting storage area write status (Un\G108802)
This area stores the MQTT connection setting write status.
Bit
b0
b1
■MQTT connection setting storage area clear request (Un\G108803)
The MQTT connection settings are deleted.
• 0: Not executed
• 1: Execute
APPX
162
Appendix 4 Buffer Memory
0
1
0
1
Status
Not completed
Completed
Normal
Error