Time Setting Function (Sntp) - Mitsubishi Electric MELSEC Q Series User Manual

12.2.1
Time setting function
This function collects time information from the time information server (SNTP server) connected to LAN in the
specified timing and sets time on C Controller module(s).
Select timing of time information acquisition from
• C Controller module power-on or reset
• Execution at certain intervals (execution interval specification)
• Execution in the specified time (specify execution time)
● The time setting function changes the settings for the integral clock (RTC: Real Time Clock).
Do not modify OS clock (used for file time stamp).
For details of the integral clock and OS clock, refer to the following.
Page 160, Section 11.4
● Before setting time at power-on or reset of the C Controller module, check the hub or destination device connection.
During execution of the time setting function, ignore the other time setting operations.
(1) Setting method
For this setting, use the following functions in Setting/monitoring tools for the C Controller module.
<Q24DHCCPU-V/-VG/-LS><Q26DHCCPU-LS>
•
Project view  "Parameter"  "CCPU Parameter"  <<System Ethernet port (S CH1) settings>>
 "Time Setting"
<Q12DCCPU-V>
•
Project view  "Parameter"  "CCPU Parameter"
 <<Built-in Ethernet port (CH1 and CH2) settings>>  "Time Setting"
202
SNTP)
(
Time query
Ethernet
Q24DHC-V Q24DHC-VG
LAN
Server time set to C Controller module
Personal computer
Q24DHC-LS Q26DHC-LS Q12DC-V