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Setting procedure
The user should take the following steps for the Modbus time synchronization.
•
Set MODBUS for the [Time Sync Src]; and then, set On for the [MODBUS SYNC].
•
Check that the MODBUS is shown under the ActivSyncSrc, as shown in Figure 5.8-11.
Clock
10:00
[Time]
2012-11-21 10:00:05
[Format]
YYYY-MM-DD HH:mm:ss
[ActiveSyncSrc]
MODBUS
Table 5.8-4 Modbus time synchronization data format
Modbus Address
[Dec] (example)
First address: χ
(13020)†
2nd address: χ +1
(13021)†
3rd address: χ +2
(13022)†
4th address: χ +3
(13023)†
†Note: The Modbus addresses for the time synchronization is dependent on the ordering
code of the IED software model. See
return diagnostic register
‡Note: The data of Modbus year begins with 2000, so "Year 2019" turns to "0013[Hex]".
Note: For your information,"64bit System Time (Data ID:303201 3310011450)" signal is
generated with the above format.
1/2
+
Check "MODBUS" is shown under ActiveSyncSrc.
Figure 5.8-11 Time setting for Modbus
Modbus address
Data size
[Hex] (example)
χ + 0x0000
16-bits
(0x32DC)
χ + 0x0001
2×8-bits
(0x32DD)
χ + 0x0002
2×8-bits
(0x32DE)
χ + 0x0003
16-bits
(0x32DF)
(→p. 1110).
- 694 -
Contents
Range
Millisecond
0-5999
(ms)
Hour (h),
0-23
Minute (m)
0-59
Month,
1-12
Day
1-31
Year
0-99
Appendix Modbus address, exception status,
6F2T0207 (0.01)
Data example
[Dec]/[Hex]
5678(ms)
0x162E
0304(h+m)
0x0304
0102(Jan. 2)
0x0102
0013(2013)‡
0x0013
GRE200 (5,6)
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