ABB A43 User Manual page 167

Communication with Modbus
Mapping table The following table shows an overview of the mapping table:
Quantity
DST
DST
DST
DST start and The following table shows the contents of the registers for configuring DST
start. The structure of the DST end registers are the same as for DST start.
end registers
Register
DST start
* Byte 0 is the highest byte of the lowest register.
For month, day of month and day of week wild cards can be used according to
the table below.
Setting
Month
Day of month Not specified: 255
Day of week
Hour
DST enabled The DST enabled register decides whether the DST functionality of the meter is
register turned on or not: 0 = off, 1 = on.
Examples of DST Month = 3, Day of month = 254, Day of week = 7, Hour = 2 means last sunday of
march 02:00.
start/end
Month = 3, Day of month = 254, Day of week = 255, Hour = 2 means last day of
march 02:00, regardless on which weekday it occurs.
Month = 3, Day of month = 2, Day of week = 7, Hour = 2 means second sunday
of march 02:00.
2CMC48001M0201
Revision: C
Details
DST start
DST end
DST enabled
Start Size Description
Reg
(Hex)
8CE6 2 Byte 0*: month
Byte 1: Day of month
Byte 2: Day of week, 1 = monday, 7 = sunday
Byte 3: Hour
Wild cards available
Not specified: 255
Last day of month: 254
2:nd last day of month: 253
Not specified: 255
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167
Start Reg (Hex) Size
8CE6 2
8CE8 2
8CEA 1
Read/
write
R/W
R/W
R/W
R/W
A43/A44
User Manual