![ABB A43 Скачать руководство пользователя страница 129](http://html.mh-extra.com/html/abb/a43/a43_user-manual_4297129.webp)
Communication with Modbus
2CMC48001M0201
129
A43/A44
Revision: C
User Manual
Example of data
The following table shows the relation between stored values and channels in data
block 1
block 1:
Entry Timestamp
Channel 1
Channel 2..8
Status
Value
1
110601
0 (OK)
1000 kWh
...
00:00:00
2
110501
0 (OK)
800 kWh
...
00:00:00
3
110401
0 (OK)
450 kWh
...
00:00:00
9.6.1 Reading Previous Values
General
Read the most
recent
Readout of previous values is controlled by the Entry number register or
Date/ Time register.
After writing to any of those registers, the values of all channels for the
given entry number or date/time are available in the registers of data block 1
to 7, together with status and timestamp information.
In the data blocks, the registers Quantity, Data type and Scaler provide
further information about the data stored in each channel. To get the next
block of previous values, write the value 1 to the Get next entry register, and
then read again from the registers in the data blocks.
Follow the steps in the table below to read the most recent previous values entry:
Step
Action
1
Write the value 1 to the entry number register.
2
Read the data blocks of interest.
Read the entire
Follow the steps in the table below to read the entire history of previous values:
history
Step
Action
1
Write the value 0 to the Entry number register to make sure the reading starts
from the most recent entry.
2
Write the value 1 to the Get next entry register.
3
Read the data blocks of interest.
4
Repeat steps 2 and 3 until there are no more entries stored. When all entries
have been read, all registers in the data blocks are set to 0xFFFF.
Содержание A43
Страница 1: ...A43 A44 User Manual ...
Страница 40: ...Meter Settings A43 A44 40 2CMC48001M0201 User Manual Revision C ...
Страница 55: ...Technical Description 2CMC48001M0201 55 A43 A44 Revision C User Manual ...
Страница 58: ...Technical Description A43 A44 58 2CMC48001M0201 User Manual Revision C ...
Страница 61: ...Technical Description 2CMC48001M0201 61 A43 A44 Revision C User Manual ...
Страница 75: ...Technical Description 2CMC48001M0201 75 A43 A44 Revision C User Manual ...
Страница 84: ...Measurement Methods A43 A44 84 2CMC48001M0201 User Manual Revision C ...
Страница 91: ...Measurement Methods 2CMC48001M0201 91 A43 A44 Revision C User Manual ...
Страница 95: ...Measurement Methods 2CMC48001M0201 95 A43 A44 Revision C User Manual ...
Страница 102: ...Communication with Modbus A43 A44 102 2CMC48001M0201 User Manual Revision C ...
Страница 107: ...Communication with Modbus 2CMC48001M0201 107 A43 A44 Revision C User Manual ...
Страница 131: ...Communication with Modbus 2CMC48001M0201 131 A43 A44 Revision C User Manual ...
Страница 147: ...Communication with Modbus 2CMC48001M0201 147 A43 A44 Revision C User Manual ...
Страница 154: ...Communication with Modbus A43 A44 154 2CMC48001M0201 User Manual Revision C ...
Страница 157: ...Communication with Modbus 2CMC48001M0201 157 A43 A44 Revision C User Manual ...
Страница 161: ...Communication with Modbus 2CMC48001M0201 161 A43 A44 Revision C User Manual ...
Страница 166: ...Communication with Modbus A43 A44 166 2CMC48001M0201 User Manual Revision C ...
Страница 180: ...Communication with M Bus A43 A44 180 2CMC48001M0201 User Manual Revision C ...
Страница 182: ...Communication with M Bus A43 A44 182 2CMC48001M0201 User Manual Revision C ...
Страница 188: ...Communication with M Bus A43 A44 188 2CMC48001M0201 User Manual Revision C ...
Страница 195: ...Communication with M Bus 2CMC48001M0201 195 A43 A44 Revision C User Manual ...
Страница 254: ...Communication with M Bus A43 A44 254 2CMC48001M0201 User Manual Revision C ...
Страница 257: ...Communication with M Bus 2CMC48001M0201 257 A43 A44 Revision C User Manual ...