Clock - Mitsubishi Electric MELSEC iQ-R Series User Manual

8.10

Clock

Series
MELSEC-Q series
MELSEC iQ-R series
Clock function is used to synchronize internal time of the equipment with the host time.
The SECS/GEM communication software registers the time data received by an S2F18 (date and time data) or an S2F31
(date and time set request) from the host to the clock data storage destination register. The time of the equipment can be
synchronized with the host by changing the clock data to this time at the programmable controller CPU.
When an S2F17 (date and time request) was received from the host, the clock data of the C Controller module or C intelligent
function module is sent to the host by an S2F18 (date and time data) automatically.
• When the equipment requests the time from the host
An S2F17 (date and time request) is sent from the equipment, and the time of the host is configured to the equipment by an
S2F18 (date and time data) received from the host.
Equipment
S2F17(date and time request)
S2F18(date and time data)
synchronized with date and
time obtained from the host
• When the time is designated by the host to the equipment
The time of the host is received by an S2F31 (date and time set request) from the host, and the equipment sends an S2F32
(date and time set confirmation).
Equipment
S2F31(date and time set request)
S2F32(date and time set Acknowledge)
synchronized with date and
time from the host instruction
SECS/GEM communication software
Non-GEM version


Host
Host
GEM version


8 GEM COMPLIANT FUNCTIONS
GEM advanced version


207
8.10 Clock
8