Mitsubishi Electric MELSEC System Q, Special Instructions Manual

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5 MODULE DEDICATED INSTRUCTION
5.4 Network Dedicated Instruction
161
5
■
Reading/writing the clock data
• Request data (all set by the user)
*1 This function cannot change the first two digits of year data.
To change the year data including the first two digits, set the clock data using another function (such as GX Works2).
Device Item Description Read clock
data Write clock
data
(s2)[0] Request type 0001H: Clock data read
0011H: Clock data write (When station number is specified in (s1)[5])
0031H: Clock data write (When all stations or a group is specified in (s1)[5])  
(s2)[1] Sub-request
type 0002H: Clock data read
0001H: Clock data write
 
(s2)[2] Change pattern,
Clock data to be
changed Change pattern (bit 7 to bit 0)
Specify the items to be written in high-order byte of (s2)[2] to (s2)[5].
0: Not changed
1: Changed
Year to be changed (bit 15 to bit 8)
*1
Store the year (last two digits) in BCD format.
 
(s2)[3] Clock data to be
changed
(continued) High-order 8 bits: Day (01H to 31H), low-order 8 bits: Month (01H to 12H)
 
(s2)[4] High-order 8 bits: Minute (00H to 59H), low-order 8 bits: Hour (00H to 23H)  
(s2)[5] High-order 8 bits: Day of week (00H (Sunday) to 06H (Saturday)), low-order 8 bits:
Second (00H to 59H)
 
b15 b0 b1 b2 b3 b4 b5 b6 b7
Year (last two digits)
Day
Hour
Minute
Second
Day of week
Month
b8
Year (00
H
to 99
H
) 0
b15
b7
b0 b8
Month (01
H
to 12
H
) Day (01
H
to 31
H
)
to to
b15 b7 b0 b8
Hour (00
H
to 23
H
) Minute (00
H
to 59
H
)
to to
b15 b7 b0 b8
S e c on d (00
H
to 59
H
) Day o f w ee k (00
H
to 0 6
H
)
00
H
( S un . ) to 0 6
H
( S at . )
to to