Synchronizing The Clocks Of Equipment And Host - Mitsubishi Electric MELSEC iQ-R Series User Manual

9.13

Synchronizing the Clocks of Equipment and Host

Series
MELSEC-Q series
MELSEC iQ-R series
Three time synchronization scenarios can be used through settings.
Time synchronization scenarios
■Time request from equipment to host
Scenario
S2F17
(Date and time request)
■Time request from host to equipment
Scenario
S2F17
(Date and time request)
■Time set instruction from host to equipment
Scenario
S2F31
(Date and time set request)
Usage method
The clock time in the SECS/GEM communication software pre-installed model module can be changed to the time of the
received item <TIME>.
The setting for changing the time can be configured in the [Control Detail] tab in the "Option Setting" screen. ( Page 94
Control detail)
Check the setting of "Change C Controller's Clock Upon S2F31/S2F18 Reception" or "Change C Intelligent Function Module's
Clock Upon S2F31/S2F18 Reception."
If a date and time request message (S2F17) is received from the host, the SECS/GEM communication
software returns the date and time of the SECS/GEM communication software pre-installed model module
automatically.
SECS/GEM communication software
Non-GEM version
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Function
A date and time request message (S2F17) is sent from the equipment, and the host time is received by a date and time
data message (S2F18) from the host.
The time received from the host can be stored in the register.
Function
A date and time request message (S2F17) is received from the host, and the equipment time is sent by a date and time
data message (S2F18) from the equipment.
The return of the time to the host can be reported by the time synchronization notification relay.
Function
The host time is received by a date and time set request message (S2F31) from the host, and the equipment sends a
date and time set confirmation message (S2F32).
The synchronization of the time by the instruction from the host can be reported by the time synchronization notification
relay.
The time received from the host can be stored in the register.
GEM version
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9 SECS/GEM COMMUNICATION SOFTWARE KNOWLEDGE
9.13 Synchronizing the Clocks of Equipment and Host
GEM advanced version
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