Timer - Cp 525 'T' Type; Description; Address Mapping; Value Conversion - Siemens SIMATIC TI505 Installation And Operation Manual

A.8 Timer — CP 525 'T' Type

Description

Address Mapping

Value Conversion

Reading and
Writing
S5 UniLink Adapter Installation and Operation
The S5 Timer memory, as accessed through a CP module, refers to memory
that is organized by 256 contiguous words of memory. Because the
accessible timer memory is different for different CPUs, the S5 PIM
assumes no knowledge of the accessible memory ranges for timer memory.
The TT types that map to this type of S5 memory are Timer Current (TT
Type 14) and Timer/Counter Current (TT Type 0F). The Timer/Counter
Current TT Type 0F will access S5 Timer memory only, thus no access to S5
Counter memory will be provided through TT Type 0F.
NOTE: If a TIWAY request is out of range, the exception returned will be of
the form 80DD.
TI500/TI505 Timer Memory Address
Address = XXXX (hex)
S5: Word Address = XXXX (hex) in Timer T memory.
TI500/TI505: XXXX (hex) in Timer memory of Timer/Counter memory.
When converting the value for S5 Timers, the time value of the S5 Timer is
copied directly, and the remaining bits are set to zero.
15 14 13 12 11 10 9
Set to Zero
15 14 13 12 11 10 9
Contents of TI500/TI505 Timer Memory
Reading the CP 525 T memory with the TT types 0F and 14 is supported.
Writing to the CP 525 T memory with TT types 0F and 14 is not supported
due to the functionality of the CP module itself.
Word Address:
XXXX (hex)
Contents of S5 Timer Memory
8 7 6
8 7 6
Simatic S5 Memory Mapping
S5 Timer Memory
5 4 3 2 1 0
Time
5 4 3 2 1 0
A-9