ABB A43 User Manual page 130

Communication with Modbus
Read forward or Follow the steps in the table below to read forward or backwards in time from a
backwards from specified date/time:
a specified date/
Step
time
1
2
3
4
5
Note –
A43/A44
User Manual
Note –
The entry number register is reset to 0 after a restart.
Action
Write a date and time to the Date/Time registers.
Write to the Direction register. Writing value 0 means backwards and value 1
means forward.
Read the data blocks of interest.
Write the value 1 to the Get next entry register.
Repeat steps 3 and 4 until there are no more entries stored. When all entries
have been read, all registers in the data blocks are set to 0xFFFF.
The Date/time registers are reset to 0xFFFF after a restart.
130 2CMC48001M0201
Revision: C