Communication with Modbus
A43/A44 130 2CMC48001M0201
User Manual Revision: C
Note – The entry number register is reset to 0 after a restart.
Read forward or
backwards from
a specified date/
time
Follow the steps in the table below to read forward or backwards in time from a
specified date/time:
Write a date and time to the Date/Time registers.
Write to the Direction register. Writing value 0 means backwards and value 1
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.
Note – The Date/time registers are reset to 0xFFFF after a restart.
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